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@@IThinkIveSeenThat Thanks, I appreciate it! Since some of the troubleshooting and repair was new to me, it did end up taking a lot of time. I also had close to 5 hours of footage that I edited down to 25 minutes... that felt like it took forever. :)
@@Chrisbvarnes Almost all of my tool repair videos are ones I got for free by simply asking. I've been amazed by the amount of broken stuff people have laying around that they're happy to give away and luckily haven't gotten around to throwing it all away. I'm far from a pro but I have learned a TON while attempting to repair it all.
@@Mikeattempts Have you found any major tool line that you wouldn't recommend based on repair-ability? I'm in a few battery platforms and wondering which one I should commit to. You and some other channels are teaching me and most importantly giving me the confidence to repair my own tools.
@@marconiandcheese7258 I don't really feel like I have enough experience to give you a thorough list. I can say that store brands like Kobalt, from my experience, don't seem to have any replacement parts available. Is pretty safe to assume the same for any cheaper brands as well. Major brands like Dewalt, Milwaukee, Makita, Bosch, Hitachi, Metabo, and Porter Cable seem to have really good replacement part availability. So far, I only have experience with corded tools but my next project is going to be cordless Makita drills, so we'll see how that goes. I'm happy to hear my videos are giving you the confidence to repair your tools. I'm no pro so if I can do it, so can you.
@@Mikeattempts from my reading on reddit and forums, Kobalt is terrible. No parts are available. I heard one story about how kobalt said parts were available but you had to email some company in China that never got back to you. Harbor freight is now publisizing the aviliability of parts for their tools with parts lists and numbers to call.
@@marconiandcheese7258 Dean Dohorty on youtube has a repair video channel and is often pretty vocal about his opinion on various tools. I'd recommend having a look there. From memory particularly new Milwaukee tools only have parts sold as segments of the tool making repairs economically unviable (meaning you don't buy a controller, but the controller, wiring and trigger assembly in 1 pre-made package with the price to match), doesn't mean you can't fix it, but does impact if it's worth doing so. Bosch (Professional) and Makita are often praised by him.
@@Mikeattempts Nope, please don't cut out these parts! Very helpful for doing it myself. I will take notes so I won't forget it when I'm reparing one. Thanks a lot!
Yeah, I understand time is money for businesses but one of these grinders just needed new brushes! It does make me feel good to save 'em from the trash.
@@Mikeattempts and one just needed a cleaning (jammed metal piece) and a 60$ stator (companies can buy ín bulk and get discounts) and 2 h of labor is cheaper than a 200$ new one
We need to let Makita, or any other company that makes replacement parts available, know that we appreciate it so much that we will maintain brand loyalty.
This is the side of youtube (and internet in general) I love. Teaching others and sharing skills and knowledge. People are creating a habit of just throwing stuff away when it could be repaired easily. Your (and many others) way of doing things is the right way to go about a lot of stuff, even simple things like ladders shouldn't be tossed aside when it could be fixed easily. Not to talk about the satisfaction we all get when we do it ourselves.
I couldn't agree more! It seems backwards that as the population increases, people are encouraged to throw away and buy new. It should be the opposite, but people assume repairing things is too hard. I'm no pro so I hope that people watch my videos and think "If this guy can do it, so can I". The sense of satisfaction after a successful repair fuels the drive to attempt fixing more things.
@@Mikeattempts I agree with you about the sense of satisfaction. But people don't necessarily assume it's too hard, but that it take too much time investment. And time can be the most valuable asset in some cases.
This stuff is like lawnmowers. If you're running a business it's much cheaper to simply replace broken tools than try to fix them. However, for the person with time you can bring "trash" back to life. Makes me sick to think how much of this stuff is simply thrown in a dumpster. Computers too.
I couldn't agree more. I wouldn't want to do this as for a living, but it has been a fantastic hobby the past few years. I've learned a ton and added some really nice tools to my collection.
Agree, but what is the answer? It's a moral dilemma that fantastically complex high quality tools can be made for pennies, which then make it uneconomical for a human to repair them. Nature pays the price difference. How do we fix this problem? Could we for example force all manufacturers to repair their own products for ⅓ of the new price with a 2 year warrantee, and this requirement only extinguishes 15 years after the initial purchase? Wow.
@@advance-heating Someone should start a company, with a storefront, that collects broken tools from local businesses, repairs them, and then resell them in their store. If they were successful, they could open stores in every state. The only problem is that it would only be potentially profitable for them to repair high end tools so the cheaper stuff, which is the majority, would still end up going in the trash. I donno, this is a problem for much smarter people than me to figure out. ;)
Excellent work. I'm also pleased to see that Makita is willing to supply parts, let alone for less than the price of a new tool. That's getting frustratingly rare these days.
Thanks! Yep, if you plan on keeping a tool for a long time, it's usually better to pay more for a name brand. That way you'll be able to make any necessary repairs through the years.
I was surprised I could still buy a new cheap motor for my cordless Makita multitool. It was very worth it getting it replaced instead of buying another one!
"Planned Obsolescence" The make more money making "throw away" products...cheap, use, discard...which is a COMPLETE waste...but I guess for manufacturers trying to make a profit...it makes sense...but not for keeping waste to a minimum
@@haydenc2742 Yeah, you'd think as our population grows companies would look to reducing waste by making their products higher quality and repairable, but I guess that isn't as profitable. It doesn't help that most people seem to prefer to just "buy a new one" and get it delivered same day/next day.
Can you imagine how incredible our world would be if everyone had the thoroughness, the lucidity, and the integrity of Mike here? There would be no need for courts and judges. Bravo for this excellent video Mike. Thank you. And thank you Makita for still making this practice possible!
Repair cafes are good for this, and are growing fast around the world. They thrive on people like Mike who have some fettling expertise. A lot of repairs are at the 'new brushes/replace the cable' level and can be done very quickly/easily. Given a few people who between them can do a bit of electrics, sewing, woodwork and soldering, a lot of stuff that would otherwise be thrown out can be fixed.
Yes, we have repair cafés down our road in Kenilworth UK. But the video is extraordinary in a subtle way because the viewer asks themselves at the start: - what will happen to the other tools, where there are fewer in number of each model? - has Mike picked the largest number and most popular tool because he wants to make money, and will swop good parts around to make 6 good'uns without any outlay? - will he leave the gear housings with fresh grease alone, to save labour? - why did he throw ALL the old grease into the environment, and why meticulously ultrasound the housings clean? - why invest in new stators without looking to halt the overheating for all eight machines? - why invest $200 unless he's sure each machine will recoup its individual cost? - where are the disc guards and why shiny handles all round? - what is the sale price and sales channel for them, do the housings need attention before attempting sale ? The pattern to these outstanding questions is that Mike has an obsessive desire to create quality with properly little compromise - a "97% will do" kinda guy. Now many of watching are probably like this too. But then Mike and some of us diverge: He's determined to make every patient survive, with an unbearable empathy towards any machine that might get trashed without his help. He makes the quick-fix machines subsidise the badly wrecked ones, so that as a group they still come out with a slight economic justification. He doesn't want just a few to come away with a massive profit !! It's also rare that an obsessive technician, who films and edits every step of work on every machine, also has the capacity to deliver a natural sounding, comprehensible, terse narrative. You might expect an individual with such strong ties to machinery, not to have such great communication skills too ! Amazing find. Great work. This video will hopefully find its way to inspiring repair cafés around the World.
@@advance-heating Wow... I don't really know what to say. Pretty much every comment I get is positive or supportive or informative which is immensely appreciated. But this comment is the nicest, most thorough critique of a video I've ever received. Thanks for taking the time to watch my video, think about it, and leave such a thoughtful comment.
10 out of 10 my friend! I LOVE THE TIP/HACK @ 17:22 "when running a course thread screw back into plastic turn it in reverse until you get the click so that you use the old thread and don't cut new ones, "GENIUS"!
Love it. I've always done this to prevent cross-threading. The number of times I've had someone start to tell me "righty tighty" or some shit, and I have to tell them I know... I know. Maybe stop using an impact to screw in bolts for your machines and they won't all be stripped out. Really good video!
Thank you very much! Have you ever rewound a small stator like the ones that failed in these grinders? I've never done anything like that but I'm interested in the process and possibly trying it myself.
@@Mikeattempts I’m curious how you’d find out about the process of rewinding a small tool motor. Maybe in a repair manual? Many things like that are obscured by how unusual the practive would be outside specific industries, and in many cases handed down to apprentices…there’s not such a great tech education left in the US, it’s mostly higher level such as design, engineering and programming.
@@Mikeattempts measure the existing enameled wire, purchase it. when unwinding the old coils you must count exactly how many winds you remove. rewind exactly as it was, place paper between copper and steel. re-solder connections (gotta sand off the enamel to make any connections) winding motors isnt exactly that it's hard.... its painstakingly arduous to do. 10/10 don't recommend
Theor newer ones are like this as well. The Makita grinder design is so ubiquitous they never stopped to change how easy they are to disassemble and reassemble which is incredible these days.
@@classydays43 That's how it should be though. If you spend $200+ on a grinder, it should be easy to maintain. You know you've got a quality tool when the brushes are easily accessible without any disassembly.
The beauty of using quality tools is that not only do they tend to last longer initially, but they are generally supported for replacement parts for a good time afterwards. nice to see them lovely tools given a new lease of life. Brilliant.
Yep, besides paying more for better quality, you're also getting the ability to repair the tool with replacement parts. Most cheaper tools and store brands don't even give you an option to order replacement parts. However, I'm working on a bunch of Makita drills now and getting parts is not as easy or cost effective.
My cousin used to buy their saws in bulk and would give them to his kid when they died, he fixed them and sold them on. I am amazed at the parts support and ease of repair for Makita- things aren't glued together and soldered so you can actually fix them I saw one tool with soldered brush wires
Yeah, I've tried repairing cheaper tools but they don't make it easy. Between not being able to get replacement parts and making them overly difficult to repair (like you mentioned), you might as well just buy a new one (which is what they want). You'll pay more for a brand name tool but with that comes quality and repairability.
I really appreciate how you go through the issues with each one so anyone can actually do what you did. Your skills are appreciated in this day and age.
Only once I used a grinder without a guard, and nearly cut off an index finger, which took months to heal. I cant understand why most country's don't seem to use them. Good vid though, thanks. John, UK
I ended up getting guards for the ones I kept and sold. I think they are commonly used in home shops. As for the pros, the guards must get in the way a lot if they don't bother to use them at all. Also, pros feel very comfortable handling tools since they use them for hours every day. It could lead to a false sense of security though.
Fixing tools is generally easy as the same items tend to fail. Brushes, commutators, switches and cords. I maintained an angle and die grinder fleet for a welding school and it was a mix of brands to see which models (model is more critical than brand) held up. Makita have been making excellent grinders for decades and their corded grinders are excellent. I repack with red wheel bearing grease including new grinders if not sufficiently lubed.
Good go through on my favorite Grinder . Had 14 on the go at least once a year carried 6 on my truck at the start of jobs , I changed all the cords to 15 footers using cold weather extension cords . 15 footers stay plugged in. Used the female outlets left over to make pig tails . The Makita 9005b was a real work horse . I used them for decades. And they were worked hard . Brushes and cords were the main fix . Would go down to the makita store to get parts once a year and spent a week end getting them all up to snuff . Even made my own guards for 7" discs were as good as factory . The grinder could handle the larger discs . Did not own other brands of grinders that way only had to got to one place for parts
That's awesome, I bet those cold weather cords were nice, I hate stiff cords! How did you make the guards, that might make for an interesting video? :)
@@Mikeattempts Just repurposed the 5 inch ones to make them bigger welded and ground them to look like factory .Welder by trade . OH&S up here allows one to use 120 degree guards which makes them safer to use grinding pipe . I never used a handle accept in tight spots and spaces . . Not using a handle made the grinder easier to handle . after 45+ years in the business still have all my fingers and no major meat missing
Makita became popular in the eighties. They were probably the best made tools in that time period. We had to replace the brushes, bearings, caps, and cords, for warranty legalities. The bad fields, we would rewind. The communatators, would get growled, turned, and undercut. If you don't have a undercut saw, you can grind the set off of a hacksaw blade. If the mica isn't undercut below the copper, premature wear on the brushes, and arcing.
I would like to try rewinding a stator, but I don't have one of those fancy commutator lathe things to do the armatures properly. So, it's fine grit sandpaper for me. :)
Great repair job, done a few of these myself, they are great angle grinders. I would advise, when doing all that work in the repairs, change the bearings rather than servicing them, as there will be damage if they're dry. I imagine why the cables were grey, because they were the cheaper pvc rather than the more expensive rubber.
Thank you very much! If you're interested, in a previous video, I repaired an old bench grinder. That was the first time I regreased a bearing but they're much larger on that bench grinder.
great job troubleshooting and repairing the edge grinders! it is just wonderful that Makita sells parts they are a better type of tools and stand by them. it is great being able to repair them like in the past!
Thanks! Yeah, these are definitely quality grinders meant to be repaired instead of thrown away. I've been working on a pile of Makita cordless drills and it's a very different experience. I hope to have that video finished and edited in a month or so.
Three year ago I serviced my 45 year old 9607B grinder, which once belonged to my late father. One of the brush caps was broken, but still available (after a long search). Cleaned and greased it, replaced the missing 180 mm guard and also added a 230 mm guard. It 's working perfectly (again).
I am in my mid 50's and find myself back in school learning to weld. This is awesome to see as I'm using the hell out of my grinder and may need to do this. "A grinder & paint for the welder I aint" Thank you!
I used to work at a fabrication shop briefly, I told them I was good at fixing stuff and they had a pile of tools about two bootfulls worth, including lots of these grinders and hikoki ones, among lots of other dead tools. I managed to fix more than half of them but using good parts from different dead ones. Soon learned the common failures for each brand. Was good fun. This video really reminded me of that job. Nice job. I had like 6 dewalt 1/2 impact drivers that all failed the same way, at the cable strain relief clamp, ironically the screws had been so tight from factory it would just shear the copper wires inside. I thought about buying them as it was pretty obviously a factory issue and knew there would be a lotttt out there in the world with the same fault. But they just aren't worth any money anymore as everyone has gone cordless.
That's cool, how much time did they allot you to fixing tools vs your regular duties? Since this is just a hobby, there's no pressure to get stuff done for customers so I find it very enjoyable and satisfying. I've learned a ton so far, but I feel like I still have a lot more to learn. I would like to get better at electrical testing. Thanks for the comment!
@@Mikeattempts It was like 2 or so days work. I didn't really have any specific duties at that job, I just did as I was asked. General engineering, one day I was wiring up electrical panels, the next I was welding, the next I was cleaning machinery. You've nailed the basics of multimeter testing for sure, better than most people I worked with anyway.
One thing I've been thinking about lately is volunteering to help people fix their own stuff, possibly in conjunction with a civic organization or maybe the SPCA. The SPCA in our area accepts donations of goods to resell in their store. They could also have repair clinics maybe once a month or a couple of times a month whereby volunteers could assist folks in repairing their own stuff and/or repairing donated stuff that could then be resold as fund raising for the organization. Wondering if there's already some of this going on somewhere that I'm not aware of
@@eclectictech That sounds like a great idea, helpful and rewarding. A few other people commented that they have "Repair Cafes" in the UK where you can go to fix your own stuff, help others fix their stuff, or get help fixing your stuff. I'm sure there are similar places in every country. I'm sure the SPCA would be more than happy to let you help out, especially if they also don't need to pay you! :)
@@rattechkinda sounds like my current job. Last week I was demolishing walls, today I was fixing a 6x6 polaris sportsman. Tomorrow I'm removing stuff that's growing in a water well
Really enjoyed the video. The spare parts from Makita were surprisingly good value. Never though the windings would be economically viable to replace. I contacted Makita in the UK and asked what the yellow grease specifications were they factor fill the gearboxes with. They said they couldn’t help. I wanted to Re- Grease my plethora of grinders. To make them last. I ended up using a red molly based HP grease.
@@stephenellis3430 I'm just surprised, especially since the Internet exists, that type of grease isn't well known. It's not like only Makita uses it but I still couldn't figure out what it was called or even what type of grease it is.
@@Mikeattempts I got better at fixing electronics by buying stuff cheap cheap at auctions and estates.... used it to eliminate debt. I hope your videos (and mine) inspire folks to learn the craft.
@@DeadKoby Yeah, I think people just assume they can't do it so they don't even try. I'm no pro so I hope they watch my videos and think "if this guy can do it, so can I".
Best grease on the market for bearings! That white grease is crappy "white lithium" grease and will dry out over time and that is why alot of times those things burn out...cheapest grease manufacturers can buy to put in these things...for maybe an extra $1 a tool the manufacturers could easily prolong the life of their tools many times over! Rebuilt, reconditioned, saved from the scrap heap! Most AWESOME!!! Subbed! Keep em coming!!!!
I had to replace the stator on my Makita circular saw and the arrangement was identical to what you show in your video. Before fitting the stator into the plastic housing I cut 2 pieces of 20mm diameter plastic conduit to approximately 20mm long then cut down the length of the conduit to one side only so that I could squeeze it to reduce the diameter to allow me to fit inside of each spring, I then lowered the stator into the plastic housing with the conduit still inside the springs, then offered the plastic conduit on to the brush holder using circlip pliers, I opened up the pliers and pushed the spring over the brush holder
You are right about these being one of the best corded grinders. I have had several of this model for a number of years. Other than replacing a couple of cords, none of them has ever failed me. Thanks for the great repair tutorial. If I ever manage to burn one up, I will refer back to it.
Awesome work Mike. An alternative approach (and no approach is better or worse) is to determine the weak link in the grinder i.e. the stator . In the 1980's I was running a fab shop and the go to grinder was Bosch and the weak point was the armature. So in this case repair four grinders and keep spare bits to keep them running. Absolute luxury in a shop would be three grinders with a cutting disc a grinding disc and a cup brush on each and a spare grinder on the shelf. Please never use a grinder without a guard. Look at How to shred 4 fingers with a woodworking power carving disc - stumpy nubs on you tube.
I have a couple of Bosch grinders. I used to use them almost exclusively because they are really smooth and vibration-free. However, they have really thick casings which leads to uncomfortable hand cramps after using them for hours. I went to the newer US-made (they don't make them here anymore unfortunately) DeWalt 11amp grinders, which are more powerful and much more comfortable for medium-sized hands.
@@Mikeattempts Have you considered selling them back to the company you got them from? $100 each. They save $800 and you make $600 ($800 less the cost of the parts).
@@jocbt I actually took 2 back to the shop as a "thank you". A few days later they contacted me to buy a couple and I ended up selling them 2 more for $100 each. I sold one more to cover my costs, kept 2 for myself, and I'm doing a giveaway for the last one.
Super video. Made my ear lobes tingle with delight at seeing all those angle grinders restored to refulgent working life. Bravo. Thank you for making and sharing. Joy to watch.
The 5 in 9005 model I believe classifies it as a 5" model. I used this model in the 90's for like 8 years. Only issues I ran into is breaks in the cord in the strain relief area and of course, worn out brushes. We used to use 7" stones on it but had to be careful not to overheat it. I bet the failed stator ones were due to overloading for too long a stretch. You know it's overheated when you can barely hold your hand on the outside of the stator housing! I still have that grinder but don't use it anymore as I find it too heavy for the type of work I do. I currently use a 4.5" Milwaukee M18 angle grinder. Great montage on this vid Mike
I've been seeing a lot of comments like this. Don't use wheels larger that what the grinder is rated for. The grinder will spin them too fast and they will come apart.
Yeah it worked for me, one detail I left out was I used a wooden dowel which I pushed in through the brush hole and then through the plastic conduit which was holding the spring to align it with the brush holder, I then manoeuvred the spring with a screwdriver pushing it over onto the brush holder
I acquired a 9005b in 1983 that was already previously used. Other than replacing the brushes and regreasing the gears about 5 years ago, it has worked flawlessly. It runs just as strong today as when I got it.
Thanks! I did look into buying the guards but they aren't toolless. I'm guessing none came with these broken grinders because the shop probably never put 'em on, just threw 'em away immediately. :)
@@Trump985 Yeah, that's what I was thinking too. A guard is good for a homeowner who has never used an angle grinder but I would venture to say that the majority of pros don't use it. Personally, I do find the side handle very useful for better control.
@@Trump985guards are trash. Handles, however, I find much more useful. Not all the time, but those big grinders are heavy and I find I can get much finer control using a handle. They’re handy to have once in a while anyways
The handles are certainly useful on the bigger grinders I have a 12in angle grinder and that has the handle, but on these little 4.5 and 6in grinders they are absolutely pointless.
Nice Video! Don't be afraid to take a few picture. It will make assembly easier. You have encouraged me to do some maintenance on my 30 year old Craftsmen grinder. Thank You!
I happen to like a guard. Unless you're a welder wearing a leather apron, those guards save your clothes from tiny burn wholes. You rarely need access to the entire wheel, if ever.
pro tip, when removing the bearing seal, pry from the outside diameter so you don't put a nick on the rotational seal where the inner race rides, it will lessen the chance of a seal failure
Literally the BEST grinders out there. The torque, the durability, the rat-tail handle and the lock-up mechanism makes the model rise to the top! I have mine since 1999 and only cleaned, greased and re-brushed it to be a faithful and trusted everyday companion.
I did have to replace a collapsed main bearing on one of these a couple of years ago (it was probably a decade old and well-used), but yes simple quality kit like this lasts a long time.
We live in such a convenience and disposable age that a consumable item like brushes renders a tool worthy of scrapping. I like to hope these went to someone in need of good tools as either new to power tools or just in need of good tool that is almost "as new" but without the brand name box fresh mark-up price tag. EDIT: Just seen the next video. You Sir are a true gent.
Thanks! :) I wonder what happened first, did consumers start expecting convenience and abandoning the idea of spending time to repair or did companies start making their products cheaper so consumers would just buy a new one instead of attempting to fix the old one? Or was it a little bit of both? When it comes to a business, I get the saying "time is money". Their goal is to make as much product as possible, not to spend man hours repairing tools when they can just pull a new one from the box. Another viewer said that some larger companies have their building maintenance crew do monthly tool maintenance/repair as well so that's good idea that probably saves them a lot of money.
@@Mikeattempts I can imagine the home user may lack the confidence to do a repair but with videos like yours it makes it well within the grasp of someone with a hobby shop. You'd think larger companies would buy things like brushes in bulk I'd guess if you buy hundreds at a time they'd be less than a penny each.
@@littlebacchus216 That's my hope too. I'm no pro so I hope people watch my videos and think "if he can do it, so can I". You'd think, at minimum, all shops would at least keep brushes and power cords on hand. Those are the most common issues, and, in this case, a $200 tool could be back to work in just a few minutes.
I love fixing stuff. It's so satisfying. I buy retail returns and fix them for fun. Some items actually have nothing wrong with them. I think some places allow no-fault returns. Or the customer has changed their mind and made up a BS reason to return the thing. Some items are actually brand new - with just a damaged box or something. I got my 3D printer from a pallet of returns and it was brand new in an unopened box. The note on the box said it had been returned because they shipped him the wrong printer.
That's awesome, where do you buy retail returns? I bought my first 3D printer a little over a year ago and it's a lot of fun. I even did a video building an enclosure for it. Designing parts takes me forever though so I don't get to use it as much as I'd like.
The 9005B can take a beating! I have burned up, smashed and worn out many of them. Not abused mind you just worked the hell out of them for several years and they wear out of something failed . I have largely moved to cordless Milwaukee grinders now as my grinding needs are minimal and I have grown to hate a power tool with a tail! . However when I have a lot of grinding, the old 9005B with a tail comes out and away we grind. Bad power cords and worn brushed were the biggest cause of stoppage I had. I kept a spare cord or two and brushes in my truck as a result. Good stuff
Yep, they definitely feel like quality tools with plenty of power, I plan to keep a couple for myself. Brushes wear out and power cords take a beating so it's nice to hear that you didn't have more expensive failures. Thanks for watching! :)
The real win is Makita actually having replacement parts and selling them. The ammount of companies that dont even sell replacement brushes or basic consumables for their own tools is staggering.
I like it, could have made four good from the eight for nothing, but for one grinders worth of spares fixed al eight. I am sure the original handles would have been find too if you had them.
Great video and troubleshooting. This is like a masterclass for repairing this model. I love that you can buy replacement parts as well - The way things should be!
Hi like your video and approch to mending the grinders.I have been into it in a similar way but the grinders i have been repairing are the 9607B .Again a great grinder.Well done.
Nice work. I suggest after the "it's good" test, check continuity between the metal head and both side of the plug - with the switch "on". Yah, it's supposed to be double-insulated, but you were in there doing things, and shi*t happens. UL/CSA/ETL requires this test during manufacture.
I now feel confident enough that I could repair one of the Makita grinders. Thanks for the video explaining the internal testing in simple terms. You've more than earned my sub
Nice to see you fixing all the issues and spending the money on stators. Instead of what a lot of videos doing, moving on if it's anything more than a worn out brush. Thanks for breaking down stator testing too.
Excellent video and i can see how you understand how things work, not everyone has that ability and you can't teach it. I am an electrician and am always amazed at the amount of stripped panel screws i come across, because the previous guy didn't do your trick of backwards first to find the sweet spot when reinstalling screws!! Very well done. I fix my own power tools but have never done the stator replacement. I fix a lot of water pumps too, the shaft water seal usually goes then the water creeps into the front bearing and rusts it out. i have fixed many 600.00 pumps with a 10.00 seal and a 10.00 bearing!! Again thanks for sharing!!!
Thank you very much, I really appreciate the positive feedback! I learn a LOT with each project and that's what I love about this hobby. I'm no pro so I understand that it's easy to feel intimidated at the thought of trying to fix something yourself but the only way to conquer that feeling is to try.
Thank you for watching and commenting! I'm no pro but the more people that see these videos, the more tools we can keep out of the garbage (hopefully). :)
Excellent job and video! You have a new subscriber now! You asked for a recommendation on the spring installation. Find a copper pipe fitting just larger than the brush holder in circumference. Slice a ring out of it a little wider than the spring. Install the spring over the copper ring before dropping in the winding. Slip the copper ring with the spring around it over the brush holder and slide the spring off onto the brush holder. I've actually done something similar to this on some hard to access brushes on a starter. You may find yourself at the hardware store staring at copper fittings. Lol! Someone always asks if they can help me. My answer is nope. I can't show you the picture in my head! Hope this can help.
Thanks for the sub! That's a great idea, it would be much easier to stretch them over the pipe before lowering the stator into the housing. There hasta be a tool for this though, right?
@@brainiac_brian Hahaha! I would think there's got to be some sort of cheap hand tool, kinda like snap ring pliers, that spreads the circular spring evenly.
Thank you for this great video, make me comfortable buying used Makita tools knowing that they can be repair to like-new condition without much hassle finding parts.
It's funny how all of the older tools were made well but now companies like Black & Decker are considered lower end tools. I restored a Black & Decker 8" bench grinder in a previous video and it is very high quality.
@Mikeattempts same thing with the first gen of battery powered tools you could fix the batteries to take a full charge but now I don't thing it's a thing you know it's a good tool if the company sell replacment parts it worth fix and won't brake the bank
@@Mikeattempts in the states they usually aren't included. i had the next model up from makita and that thing scared the bejeesus out of me whenever i had to use it. good piece of kit, just sketchy AF without that wheel guard
Yeah, besides chainsaws, grinders are probably one of the most potentially dangerous tools you can buy. It doesn't help that some people purposely use them incorrectly. I looked into getting replacement guards but they're not toolless, like newer grinders, so I assumed they'd just end up in the trash anyway if I sell any.
cant tell you how many junkyard tools i've resold over the years just because the brushes were worn. I guess the old adage of one man's trash another man's treasure holds true
That's very true but it never ceases to amaze me how some people won't even bother changing the brushes which are consumables and meant to be replaced.
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Good work, Mike. Thanks for the amount of effort this must've taken.
@@IThinkIveSeenThat Thanks, I appreciate it! Since some of the troubleshooting and repair was new to me, it did end up taking a lot of time. I also had close to 5 hours of footage that I edited down to 25 minutes... that felt like it took forever. :)
@@Mikeattempts Forever indeed. Considering just film, review & edit. Let alone the learning curve lol
Im looking for a broken grinder to fix for welding, your videos are reaaly helping us , thank you.
@@Chrisbvarnes Almost all of my tool repair videos are ones I got for free by simply asking. I've been amazed by the amount of broken stuff people have laying around that they're happy to give away and luckily haven't gotten around to throwing it all away. I'm far from a pro but I have learned a TON while attempting to repair it all.
Makita makes the customer a winner here, the fact they sell the parts 👍
Yep, most major tool brands have a pretty good replacement part network with a lot of resellers.
@@Mikeattempts Have you found any major tool line that you wouldn't recommend based on repair-ability? I'm in a few battery platforms and wondering which one I should commit to. You and some other channels are teaching me and most importantly giving me the confidence to repair my own tools.
@@marconiandcheese7258 I don't really feel like I have enough experience to give you a thorough list. I can say that store brands like Kobalt, from my experience, don't seem to have any replacement parts available. Is pretty safe to assume the same for any cheaper brands as well. Major brands like Dewalt, Milwaukee, Makita, Bosch, Hitachi, Metabo, and Porter Cable seem to have really good replacement part availability. So far, I only have experience with corded tools but my next project is going to be cordless Makita drills, so we'll see how that goes. I'm happy to hear my videos are giving you the confidence to repair your tools. I'm no pro so if I can do it, so can you.
@@Mikeattempts from my reading on reddit and forums, Kobalt is terrible. No parts are available. I heard one story about how kobalt said parts were available but you had to email some company in China that never got back to you. Harbor freight is now publisizing the aviliability of parts for their tools with parts lists and numbers to call.
@@marconiandcheese7258 Dean Dohorty on youtube has a repair video channel and is often pretty vocal about his opinion on various tools. I'd recommend having a look there. From memory particularly new Milwaukee tools only have parts sold as segments of the tool making repairs economically unviable (meaning you don't buy a controller, but the controller, wiring and trigger assembly in 1 pre-made package with the price to match), doesn't mean you can't fix it, but does impact if it's worth doing so. Bosch (Professional) and Makita are often praised by him.
I like how you explained the testing process on your multi-meter, alot of guys skip over that important part.
Thanks for the feedback, I had considered cutting some of it out so that's good to know.
Very valuable to me, thanks.
@@Calligraphybooster I'm happy to hear that, thanks for the comment! :)
@@Mikeattempts Nope, please don't cut out these parts! Very helpful for doing it myself. I will take notes so I won't forget it when I'm reparing one. Thanks a lot!
@@tommeier2299 Ok great, thanks for the feedback!
I am glad to see somebody take the time and effort to repair perfectly serviceable power tools. In most cases they would end up in a land fill.
Before use I would recommend that each of the grinders be equiped wih a guard.
Yeah, I understand time is money for businesses but one of these grinders just needed new brushes! It does make me feel good to save 'em from the trash.
@@charlesemmer8856in most situations the grinder becomes unusable with a guard.
@@Mikeattempts and one just needed a cleaning (jammed metal piece)
and a 60$ stator (companies can buy ín bulk and get discounts) and 2 h of labor is cheaper than a 200$ new one
@@lacucaracha111111 You would think a business would at least keep spare brushes on hand for their $200 grinders, it's a 2-minute repair.
We need to let Makita, or any other company that makes replacement parts available, know that we appreciate it so much that we will maintain brand loyalty.
Yep, most major brands have a pretty good replacement part reseller network.
This is the side of youtube (and internet in general) I love.
Teaching others and sharing skills and knowledge. People are creating a habit of just throwing stuff away when it could be repaired easily.
Your (and many others) way of doing things is the right way to go about a lot of stuff, even simple things like ladders shouldn't be tossed aside when it could be fixed easily. Not to talk about the satisfaction we all get when we do it ourselves.
I couldn't agree more! It seems backwards that as the population increases, people are encouraged to throw away and buy new. It should be the opposite, but people assume repairing things is too hard. I'm no pro so I hope that people watch my videos and think "If this guy can do it, so can I". The sense of satisfaction after a successful repair fuels the drive to attempt fixing more things.
@@Mikeattempts I agree with you about the sense of satisfaction.
But people don't necessarily assume it's too hard, but that it take too much time investment.
And time can be the most valuable asset in some cases.
@@hypnoz7871 That's the trade off, in most cases, you either spend money to save time or spend time to save money. :)
@@hypnoz7871time is the most valuable asset that is being wasted in front of tv. Those kinds of repairs can be done while watching TV.
This stuff is like lawnmowers. If you're running a business it's much cheaper to simply replace broken tools than try to fix them. However, for the person with time you can bring "trash" back to life. Makes me sick to think how much of this stuff is simply thrown in a dumpster. Computers too.
I couldn't agree more. I wouldn't want to do this as for a living, but it has been a fantastic hobby the past few years. I've learned a ton and added some really nice tools to my collection.
I work for makita as a repair tech, you’d be very surprised at how much we repair!
@@EximiusNovo That's great to know that most people are getting their tools repaired instead of throwing them away. Thanks for the comment!
Agree, but what is the answer? It's a moral dilemma that fantastically complex high quality tools can be made for pennies, which then make it uneconomical for a human to repair them. Nature pays the price difference. How do we fix this problem?
Could we for example force all manufacturers to repair their own products for ⅓ of the new price with a 2 year warrantee, and this requirement only extinguishes 15 years after the initial purchase?
Wow.
@@advance-heating Someone should start a company, with a storefront, that collects broken tools from local businesses, repairs them, and then resell them in their store. If they were successful, they could open stores in every state. The only problem is that it would only be potentially profitable for them to repair high end tools so the cheaper stuff, which is the majority, would still end up going in the trash. I donno, this is a problem for much smarter people than me to figure out. ;)
Excellent work.
I'm also pleased to see that Makita is willing to supply parts, let alone for less than the price of a new tool.
That's getting frustratingly rare these days.
Thanks! Yep, if you plan on keeping a tool for a long time, it's usually better to pay more for a name brand. That way you'll be able to make any necessary repairs through the years.
I was surprised I could still buy a new cheap motor for my cordless Makita multitool.
It was very worth it getting it replaced instead of buying another one!
@@DogSerious Nice job saving it from the trash! :) Store brands and cheaper tools don't really have available parts for repair.
"Planned Obsolescence" The make more money making "throw away" products...cheap, use, discard...which is a COMPLETE waste...but I guess for manufacturers trying to make a profit...it makes sense...but not for keeping waste to a minimum
@@haydenc2742 Yeah, you'd think as our population grows companies would look to reducing waste by making their products higher quality and repairable, but I guess that isn't as profitable. It doesn't help that most people seem to prefer to just "buy a new one" and get it delivered same day/next day.
That little tip about backing it out a couple turns when driving into plastic thread was really useful, thank you.
I'm glad, thanks for the comment!
I've taken many things apart and put them back together and I've never heard or this or discovered it myself. Learn something new every day
@@aidenschvatkok5732 I'm glad you picked up something new, thanks for watching!
Works also well with metal and wood. One turn is sufficient, in a logical world at least
@@sonorex Yeah, the smaller the threads, the harder it is to feel/hear the "click".
Can you imagine how incredible our world would be if everyone had the thoroughness, the lucidity, and the integrity of Mike here? There would be no need for courts and judges.
Bravo for this excellent video Mike. Thank you. And thank you Makita for still making this practice possible!
That's high praise, thank you, but I wouldn't be able to make it as a tool repair man, I'm too slow! :)
Now you have a lifetime supply of angle grinders. Nice.
Hahaha, yep! :)
I grab 4.5" ones from the trash. Where I work, they toss 'em when the brushes go. $10 for brushes, and I've got a $120 grinder.
@@oneproudbrowncoat Yep, that's crazy to me but I get it, time is money to a business.
@@Mikeattempts Funniest part about that is that we do absolutely no preventative maintenance.
@@oneproudbrowncoat You should suggest that they hire a tool maintenance man. :)
What a really interesting video, and great to watch. No irritating background music, just logical, factual, and interesting. Thank you!
Thank you for saying that and taking the time to leave a comment! :)
Massively satisfying. Hard to find people with the patience to just fix it and not throw it away these days.
Yeah, this has been a very fulfilling hobby and I've learned a lot so far, thanks for watching! :)
Repair cafes are good for this, and are growing fast around the world. They thrive on people like Mike who have some fettling expertise. A lot of repairs are at the 'new brushes/replace the cable' level and can be done very quickly/easily. Given a few people who between them can do a bit of electrics, sewing, woodwork and soldering, a lot of stuff that would otherwise be thrown out can be fixed.
@@xxwookey I didn't even know "repair cafes" were a thing but that sounds like a great idea!
Yes, we have repair cafés down our road in Kenilworth UK.
But the video is extraordinary in a subtle way because the viewer asks themselves at the start:
- what will happen to the other tools, where there are fewer in number of each model?
- has Mike picked the largest number and most popular tool because he wants to make money, and will swop good parts around to make 6 good'uns without any outlay?
- will he leave the gear housings with fresh grease alone, to save labour?
- why did he throw ALL the old grease into the environment, and why meticulously ultrasound the housings clean?
- why invest in new stators without looking to halt the overheating for all eight machines?
- why invest $200 unless he's sure each machine will recoup its individual cost?
- where are the disc guards and why shiny handles all round?
- what is the sale price and sales channel for them, do the housings need attention before attempting sale ?
The pattern to these outstanding questions is that Mike has an obsessive desire to create quality with properly little compromise - a "97% will do" kinda guy. Now many of watching are probably like this too.
But then Mike and some of us diverge: He's determined to make every patient survive, with an unbearable empathy towards any machine that might get trashed without his help. He makes the quick-fix machines subsidise the badly wrecked ones, so that as a group they still come out with a slight economic justification. He doesn't want just a few to come away with a massive profit !!
It's also rare that an obsessive technician, who films and edits every step of work on every machine, also has the capacity to deliver a natural sounding, comprehensible, terse narrative. You might expect an individual with such strong ties to machinery, not to have such great communication skills too ! Amazing find. Great work. This video will hopefully find its way to inspiring repair cafés around the World.
@@advance-heating Wow... I don't really know what to say. Pretty much every comment I get is positive or supportive or informative which is immensely appreciated. But this comment is the nicest, most thorough critique of a video I've ever received. Thanks for taking the time to watch my video, think about it, and leave such a thoughtful comment.
10 out of 10 my friend! I LOVE THE TIP/HACK @ 17:22 "when running a course thread screw back into plastic turn it in reverse until you get the click so that you use the old thread and don't cut new ones, "GENIUS"!
I really appreciate the positive feedback, thanks for the comment! :)
I thought everyone figured that out intuitively 😬
Love it. I've always done this to prevent cross-threading.
The number of times I've had someone start to tell me "righty tighty" or some shit, and I have to tell them I know... I know. Maybe stop using an impact to screw in bolts for your machines and they won't all be stripped out.
Really good video!
@@jamesnewman9547 Hahahaha... "it went in easy with the impact, I don't know how it got cross threaded!" :)
As an old motor rewinder aboard some our country's finest ships, I applaud you for the work you did and for the excellent video you made.
Thank you very much! Have you ever rewound a small stator like the ones that failed in these grinders? I've never done anything like that but I'm interested in the process and possibly trying it myself.
@@Mikeattempts I can't recall doing anything that small. I think the smallest I did was a starter motor for a Detroit Diesel 6-71 engine.
@@Mikeattempts I’m curious how you’d find out about the process of rewinding a small tool motor. Maybe in a repair manual? Many things like that are obscured by how unusual the practive would be outside specific industries, and in many cases handed down to apprentices…there’s not such a great tech education left in the US, it’s mostly higher level such as design, engineering and programming.
@@atlantajunglepythons1744 I agree, I was hoping someone would point me in the right direction. There's always RUclips! :)
@@Mikeattempts measure the existing enameled wire, purchase it. when unwinding the old coils you must count exactly how many winds you remove. rewind exactly as it was, place paper between copper and steel. re-solder connections (gotta sand off the enamel to make any connections) winding motors isnt exactly that it's hard.... its painstakingly arduous to do. 10/10 don't recommend
Nicely done, the mere fact that you can disassemble them speaks to the quality of the build of some of the older grinders
Thanks! Yep, they're definitely good quality. :)
Theor newer ones are like this as well. The Makita grinder design is so ubiquitous they never stopped to change how easy they are to disassemble and reassemble which is incredible these days.
@@classydays43 That's how it should be though. If you spend $200+ on a grinder, it should be easy to maintain. You know you've got a quality tool when the brushes are easily accessible without any disassembly.
The beauty of using quality tools is that not only do they tend to last longer initially, but they are generally supported for replacement parts for a good time afterwards. nice to see them lovely tools given a new lease of life. Brilliant.
Yep, besides paying more for better quality, you're also getting the ability to repair the tool with replacement parts. Most cheaper tools and store brands don't even give you an option to order replacement parts. However, I'm working on a bunch of Makita drills now and getting parts is not as easy or cost effective.
And he never had to worry about changing attachments for different uses again. Gratz dude.
Hahaha, I'll be so much more productive now! 😂
the algorithm brought me here and i like that no background music was used
Cool, thanks for the feedback, I'm glad you were lured here by the algorithm. ;)
My cousin used to buy their saws in bulk and would give them to his kid when they died, he fixed them and sold them on. I am amazed at the parts support and ease of repair for Makita- things aren't glued together and soldered so you can actually fix them I saw one tool with soldered brush wires
Yeah, I've tried repairing cheaper tools but they don't make it easy. Between not being able to get replacement parts and making them overly difficult to repair (like you mentioned), you might as well just buy a new one (which is what they want). You'll pay more for a brand name tool but with that comes quality and repairability.
Makita should sponsor you. I don't need a Makita grinder, but I almost want to buy one. Looks like quality.
Yep, they're simple, well made, and repairable.
I really appreciate how you go through the issues with each one so anyone can actually do what you did. Your skills are appreciated in this day and age.
I'm still learning with every project so it's nice to read comments like yours, thanks!
Only once I used a grinder without a guard, and nearly cut off an index finger, which took months to heal. I cant understand why most country's don't seem to use them. Good vid though, thanks. John, UK
I ended up getting guards for the ones I kept and sold. I think they are commonly used in home shops. As for the pros, the guards must get in the way a lot if they don't bother to use them at all. Also, pros feel very comfortable handling tools since they use them for hours every day. It could lead to a false sense of security though.
You sir are rare commodity, not many can turn garbage into gold.
Thank you, I appreciate that! :)
Fixing tools is generally easy as the same items tend to fail. Brushes, commutators, switches and cords. I maintained an angle and die grinder fleet for a welding school and it was a mix of brands to see which models (model is more critical than brand) held up. Makita have been making excellent grinders for decades and their corded grinders are excellent. I repack with red wheel bearing grease including new grinders if not sufficiently lubed.
Yeah, these Makita grinders are pretty simple so there are only so many things that can fail.
Good go through on my favorite Grinder . Had 14 on the go at least once a year carried 6 on my truck at the start of jobs , I changed all the cords to 15 footers using cold weather extension cords . 15 footers stay plugged in. Used the female outlets left over to make pig tails . The Makita 9005b was a real work horse . I used them for decades. And they were worked hard . Brushes and cords were the main fix . Would go down to the makita store to get parts once a year and spent a week end getting them all up to snuff . Even made my own guards for 7" discs were as good as factory . The grinder could handle the larger discs . Did not own other brands of grinders that way only had to got to one place for parts
That's awesome, I bet those cold weather cords were nice, I hate stiff cords! How did you make the guards, that might make for an interesting video? :)
@@Mikeattempts Just repurposed the 5 inch ones to make them bigger welded and ground them to look like factory .Welder by trade . OH&S up here allows one to use 120 degree guards which makes them safer to use grinding pipe . I never used a handle accept in tight spots and spaces . . Not using a handle made the grinder easier to handle . after 45+ years in the business still have all my fingers and no major meat missing
@@fittergrips2010 Hahaha... "no major meat missing"? I assume that means some minor meat is missing? 🤣
Makita became popular in the eighties. They were probably the best made tools in that time period. We had to replace the brushes, bearings, caps, and cords, for warranty legalities. The bad fields, we would rewind. The communatators, would get growled, turned, and undercut. If you don't have a undercut saw, you can grind the set off of a hacksaw blade. If the mica isn't undercut below the copper, premature wear on the brushes, and arcing.
I would like to try rewinding a stator, but I don't have one of those fancy commutator lathe things to do the armatures properly. So, it's fine grit sandpaper for me. :)
Great repair job, done a few of these myself, they are great angle grinders. I would advise, when doing all that work in the repairs, change the bearings rather than servicing them, as there will be damage if they're dry. I imagine why the cables were grey, because they were the cheaper pvc rather than the more expensive rubber.
Yeah, the bearings seem easy enough to replace and I'm guessing they don't cost much either. Thanks for watching! :)
This is the BEST tool repair video I've ever seen! Very thorough and easy to follow. I still can't believe you repacked that bearing! Awesome job!!
Thank you very much! If you're interested, in a previous video, I repaired an old bench grinder. That was the first time I regreased a bearing but they're much larger on that bench grinder.
@@Mikeattempts Will do! I just love how you gave a small item a proper evaluation instead of just replacing it. A+ attention to detail!!
great job troubleshooting and repairing the edge grinders! it is just wonderful that Makita sells parts
they are a better type of tools and stand by them. it is great being able to repair them like in the past!
Thanks! Yeah, these are definitely quality grinders meant to be repaired instead of thrown away. I've been working on a pile of Makita cordless drills and it's a very different experience. I hope to have that video finished and edited in a month or so.
Three year ago I serviced my 45 year old 9607B grinder, which once belonged to my late father. One of the brush caps was broken, but still available (after a long search). Cleaned and greased it, replaced the missing 180 mm guard and also added a 230 mm guard. It 's working perfectly (again).
That's awesome! It's great that you could still get a replacement brush cap for a 45-year-old tool. :)
I am in my mid 50's and find myself back in school learning to weld. This is awesome to see as I'm using the hell out of my grinder and may need to do this. "A grinder & paint for the welder I aint" Thank you!
I enjoy welding, it's nice to continue learning new skills as we get older. Thanks for the comment!
I used to work at a fabrication shop briefly, I told them I was good at fixing stuff and they had a pile of tools about two bootfulls worth, including lots of these grinders and hikoki ones, among lots of other dead tools. I managed to fix more than half of them but using good parts from different dead ones. Soon learned the common failures for each brand. Was good fun. This video really reminded me of that job. Nice job. I had like 6 dewalt 1/2 impact drivers that all failed the same way, at the cable strain relief clamp, ironically the screws had been so tight from factory it would just shear the copper wires inside. I thought about buying them as it was pretty obviously a factory issue and knew there would be a lotttt out there in the world with the same fault. But they just aren't worth any money anymore as everyone has gone cordless.
That's cool, how much time did they allot you to fixing tools vs your regular duties? Since this is just a hobby, there's no pressure to get stuff done for customers so I find it very enjoyable and satisfying. I've learned a ton so far, but I feel like I still have a lot more to learn. I would like to get better at electrical testing. Thanks for the comment!
@@Mikeattempts It was like 2 or so days work. I didn't really have any specific duties at that job, I just did as I was asked. General engineering, one day I was wiring up electrical panels, the next I was welding, the next I was cleaning machinery. You've nailed the basics of multimeter testing for sure, better than most people I worked with anyway.
One thing I've been thinking about lately is volunteering to help people fix their own stuff, possibly in conjunction with a civic organization or maybe the SPCA. The SPCA in our area accepts donations of goods to resell in their store. They could also have repair clinics maybe once a month or a couple of times a month whereby volunteers could assist folks in repairing their own stuff and/or repairing donated stuff that could then be resold as fund raising for the organization. Wondering if there's already some of this going on somewhere that I'm not aware of
@@eclectictech That sounds like a great idea, helpful and rewarding. A few other people commented that they have "Repair Cafes" in the UK where you can go to fix your own stuff, help others fix their stuff, or get help fixing your stuff. I'm sure there are similar places in every country. I'm sure the SPCA would be more than happy to let you help out, especially if they also don't need to pay you! :)
@@rattechkinda sounds like my current job. Last week I was demolishing walls, today I was fixing a 6x6 polaris sportsman. Tomorrow I'm removing stuff that's growing in a water well
Really enjoyed the video.
The spare parts from Makita were surprisingly good value. Never though the windings would be economically viable to replace.
I contacted Makita in the UK and asked what the yellow grease specifications were they factor fill the gearboxes with. They said they couldn’t help. I wanted to Re- Grease my plethora of grinders. To make them last. I ended up using a red molly based HP grease.
Will be getting a tube of the blue stuff you recommended. Still would like to know the suff Makita use. Maybe is a trade secret 🤫
Thanks! :) How does Makita not know?!? I had the same issue, I was unable to find the yellow grease.
Me too! If you ever find out, let me know the secret. :)
I think they know. But don’t want to be helpful. I sure in UK they would much rather sell you a new grinder than help with spare parts and data.
@@stephenellis3430 I'm just surprised, especially since the Internet exists, that type of grease isn't well known. It's not like only Makita uses it but I still couldn't figure out what it was called or even what type of grease it is.
nicely done , i am glad you didnt skip with the multimeter tests and voiceover
Thanks for the feedback! :)
Nothing beats fixing stuff............ until it's REALLY worn out. Good work my friend.
Thanks, I couldn't agree more! :)
@@Mikeattempts I got better at fixing electronics by buying stuff cheap cheap at auctions and estates.... used it to eliminate debt. I hope your videos (and mine) inspire folks to learn the craft.
@@DeadKoby Yeah, I think people just assume they can't do it so they don't even try. I'm no pro so I hope they watch my videos and think "if this guy can do it, so can I".
Makes me want to go out and fix something and restore it. Love the video. Thanks
That's my goal with this channel! I'm no pro, so if I can do it, so can you.
Best grease on the market for bearings! That white grease is crappy "white lithium" grease and will dry out over time and that is why alot of times those things burn out...cheapest grease manufacturers can buy to put in these things...for maybe an extra $1 a tool the manufacturers could easily prolong the life of their tools many times over!
Rebuilt, reconditioned, saved from the scrap heap! Most AWESOME!!!
Subbed! Keep em coming!!!!
Thanks for the sub, I really appreciate it! :) Do you know what the yellow grease is called that they use in the gearbox?
That was awesome. I tried fixing my Dewalt and Bosch tools but their parts cost more than just buying a new machine.
Yeah, you've definitely gotta look around to find a good price sometimes. I've found eBay is a really good source for parts.
I had to replace the stator on my Makita circular saw and the arrangement was identical to what you show in your video. Before fitting the stator into the plastic housing I cut 2 pieces of 20mm diameter plastic conduit to approximately 20mm long then cut down the length of the conduit to one side only so that I could squeeze it to reduce the diameter to allow me to fit inside of each spring, I then lowered the stator into the plastic housing with the conduit still inside the springs, then offered the plastic conduit on to the brush holder using circlip pliers, I opened up the pliers and pushed the spring over the brush holder
I had to read that a few times until I got the correct mental image, sounds like a great technique! :)
I would like you to do a video on that.
Please continue to explain your process using the multimeter, it is very valuable to many of us! Thank you sir!
I'm still learning too but I plan to continue explaining my troubleshooting process in future videos. Thanks for the comment!
You are right about these being one of the best corded grinders. I have had several of this model for a number of years. Other than replacing a couple of cords, none of them has ever failed me. Thanks for the great repair tutorial. If I ever manage to burn one up, I will refer back to it.
Thanks for the comment, I appreciate it!
Incredible work. Not many would have gone through the trouble, but now you have a lifetime supply of makita goodness.
Thanks! I enjoyed the project and learned a lot in the process.
Awesome work Mike. An alternative approach (and no approach is better or worse) is to determine the weak link in the grinder i.e. the stator . In the 1980's I was running a fab shop and the go to grinder was Bosch and the weak point was the armature. So in this case repair four grinders and keep spare bits to keep them running. Absolute luxury in a shop would be three grinders with a cutting disc a grinding disc and a cup brush on each and a spare grinder on the shelf. Please never use a grinder without a guard. Look at How to shred 4 fingers with a woodworking power carving disc - stumpy nubs on you tube.
Thanks! All of my grinders have guards and I've been trying to find a toolless version that'll work with these Makitas.
I have a couple of Bosch grinders. I used to use them almost exclusively because they are really smooth and vibration-free. However, they have really thick casings which leads to uncomfortable hand cramps after using them for hours. I went to the newer US-made (they don't make them here anymore unfortunately) DeWalt 11amp grinders, which are more powerful and much more comfortable for medium-sized hands.
@@TehButterflyEffect I have 2 Dewalt angle grinders and have been happy with 'em. I'm not a pro though so I don't use them a lot.
Great tutorial. Learned a Lot.
Me too, thanks for the comment!
If any of these grinders need a forever home, I have a power tool collection that's always looking for new friends
Hahaha, I'm definitely keeping a couple of 'em but I haven't decided what I'm gonna do with the rest. :)
@@Mikeattempts Do a channel give away or a Patreon thing - just an idea.
@@jdshear01 Thanks for the suggestions. I have a few ideas bouncing around but I haven't made a decision yet.
@@Mikeattempts Have you considered selling them back to the company you got them from? $100 each. They save $800 and you make $600 ($800 less the cost of the parts).
@@jocbt I actually took 2 back to the shop as a "thank you". A few days later they contacted me to buy a couple and I ended up selling them 2 more for $100 each. I sold one more to cover my costs, kept 2 for myself, and I'm doing a giveaway for the last one.
Super video. Made my ear lobes tingle with delight at seeing all those angle grinders restored to refulgent working life. Bravo. Thank you for making and sharing. Joy to watch.
Hahaha thanks, I appreciate it, I don't think I've ever made anyone's earlobes tingle! :)
What a satisfying video! I'm a fixer as well and it always makes me feel great to see a tool revived to work again. Great job!
Yep, it's a great feeling of accomplishment, thanks for the comment! :)
The 5 in 9005 model I believe classifies it as a 5" model. I used this model in the 90's for like 8 years. Only issues I ran into is breaks in the cord in the strain relief area and of course, worn out brushes. We used to use 7" stones on it but had to be careful not to overheat it. I bet the failed stator ones were due to overloading for too long a stretch. You know it's overheated when you can barely hold your hand on the outside of the stator housing!
I still have that grinder but don't use it anymore as I find it too heavy for the type of work I do. I currently use a 4.5" Milwaukee M18 angle grinder.
Great montage on this vid Mike
Cords take a beating and brushes are meant to be replaced so that speaks volumes to the reliability of these grinders. Thanks for the comment!
I've been seeing a lot of comments like this. Don't use wheels larger that what the grinder is rated for. The grinder will spin them too fast and they will come apart.
Great job with the repairs, nice you were able to get new parts for them. They will sell fast if you decide to do so. Be well this day.
Thanks! :)
CAN'T SELL THEM WITHOUT THE GUARDS IN PLACE. Liability ISSUES
This is like Repair ASMR!
Thank you for sharing your repairs with us
Thank you for the comment and for watching! :)
Yeah it worked for me, one detail I left out was I used a wooden dowel which I pushed in through the brush hole and then through the plastic conduit which was holding the spring to align it with the brush holder, I then manoeuvred the spring with a screwdriver pushing it over onto the brush holder
Ahhh, gotcha, makes perfect sense.
I acquired a 9005b in 1983 that was already previously used. Other than replacing the brushes and regreasing the gears about 5 years ago, it has worked flawlessly. It runs just as strong today as when I got it.
Yep, I've heard nothing but good things about these grinders and I plan on keeping a couple for myself. :)
Great work in repairing the grinders , while ordering the replacement parts , you should have gotten 8 disc guards for them .
Thanks! I did look into buying the guards but they aren't toolless. I'm guessing none came with these broken grinders because the shop probably never put 'em on, just threw 'em away immediately. :)
Why? So the next person can throw it in the trash where it belongs along with that stupid handle that comes with a new grinder.
@@Trump985 Yeah, that's what I was thinking too. A guard is good for a homeowner who has never used an angle grinder but I would venture to say that the majority of pros don't use it. Personally, I do find the side handle very useful for better control.
@@Trump985guards are trash. Handles, however, I find much more useful. Not all the time, but those big grinders are heavy and I find I can get much finer control using a handle. They’re handy to have once in a while anyways
The handles are certainly useful on the bigger grinders I have a 12in angle grinder and that has the handle, but on these little 4.5 and 6in grinders they are absolutely pointless.
Finally, someone else who also cleans/lubes bearings instead of just replacing them.
Finally, someone who appreciates me cleaning and regreasing bearings instead of telling me I should have replaced 'em! :)
Useful and no yapping and fillers. Thank you.
Thanks for the feedback, I'm glad you enjoyed it! :)
great video - awesomely informational
Thanks, I'm glad you enjoyed it!
Excellent descriptions of fault finding.
Thank you, I was learning along the way. :)
Very satisfying video!
Happy to hear it, thanks!
Nice Video! Don't be afraid to take a few picture. It will make assembly easier. You have encouraged me to do some maintenance on my 30 year old Craftsmen grinder. Thank You!
Thanks, let me know how the maintenance goes on your Craftsman!
@@Mikeattempts Will do!
I love to revive old tools I used to work with. You gave me some handy tips. Very nicely done.
I'm glad you got something out of the video, thanks for the comment!
I happen to like a guard. Unless you're a welder wearing a leather apron, those guards save your clothes from tiny burn wholes. You rarely need access to the entire wheel, if ever.
I usually like the guard too. Even when it does get in the way, most newer angle grinders have toolless guards so you can adjust 'em quickly.
The guard is an extremely important safety device. It keeps you from getting sliced.
pro tip, when removing the bearing seal, pry from the outside diameter so you don't put a nick on the rotational seal where the inner race rides, it will lessen the chance of a seal failure
Thanks for the tip!
Mike,
Tthat was incredible, all eight grinders brought back to life! Epic score and amazing work here!
Thank you very much! :)
Literally the BEST grinders out there. The torque, the durability, the rat-tail handle and the lock-up mechanism makes the model rise to the top! I have mine since 1999 and only cleaned, greased and re-brushed it to be a faithful and trusted everyday companion.
That's awesome, I'm lookin' forward to puttin' 'em to work! :)
I did have to replace a collapsed main bearing on one of these a couple of years ago (it was probably a decade old and well-used), but yes simple quality kit like this lasts a long time.
@@xxwookey Yeah, they were pretty easy to work on, not much to 'em.
man am I glad YT recommended this channel to me, what a find!
I'm really glad my channel was recommended as well! Thanks for watching, I appreciate it! :)
@@Mikeattempts thank you for making and posting these videos 💪
@@giovannifoulmouth7205 Repairing stuff is rewarding but it's even better knowing that people enjoy watching the videos.
We live in such a convenience and disposable age that a consumable item like brushes renders a tool worthy of scrapping. I like to hope these went to someone in need of good tools as either new to power tools or just in need of good tool that is almost "as new" but without the brand name box fresh mark-up price tag.
EDIT: Just seen the next video. You Sir are a true gent.
Thanks! :) I wonder what happened first, did consumers start expecting convenience and abandoning the idea of spending time to repair or did companies start making their products cheaper so consumers would just buy a new one instead of attempting to fix the old one? Or was it a little bit of both? When it comes to a business, I get the saying "time is money". Their goal is to make as much product as possible, not to spend man hours repairing tools when they can just pull a new one from the box. Another viewer said that some larger companies have their building maintenance crew do monthly tool maintenance/repair as well so that's good idea that probably saves them a lot of money.
@@Mikeattempts I can imagine the home user may lack the confidence to do a repair but with videos like yours it makes it well within the grasp of someone with a hobby shop. You'd think larger companies would buy things like brushes in bulk I'd guess if you buy hundreds at a time they'd be less than a penny each.
@@littlebacchus216 That's my hope too. I'm no pro so I hope people watch my videos and think "if he can do it, so can I". You'd think, at minimum, all shops would at least keep brushes and power cords on hand. Those are the most common issues, and, in this case, a $200 tool could be back to work in just a few minutes.
luckily other than the ones with the broken stators and worn brushes etc they werent really broken. great value
Yep, half of them could have been put back in service for very little time and money. Thanks for watching!
I love fixing stuff. It's so satisfying. I buy retail returns and fix them for fun. Some items actually have nothing wrong with them. I think some places allow no-fault returns. Or the customer has changed their mind and made up a BS reason to return the thing. Some items are actually brand new - with just a damaged box or something. I got my 3D printer from a pallet of returns and it was brand new in an unopened box. The note on the box said it had been returned because they shipped him the wrong printer.
That's awesome, where do you buy retail returns? I bought my first 3D printer a little over a year ago and it's a lot of fun. I even did a video building an enclosure for it. Designing parts takes me forever though so I don't get to use it as much as I'd like.
The 9005B can take a beating! I have burned up, smashed and worn out many of them. Not abused mind you just worked the hell out of them for several years and they wear out of something failed . I have largely moved to cordless Milwaukee grinders now as my grinding needs are minimal and I have grown to hate a power tool with a tail! . However when I have a lot of grinding, the old 9005B with a tail comes out and away we grind. Bad power cords and worn brushed were the biggest cause of stoppage I had. I kept a spare cord or two and brushes in my truck as a result. Good stuff
Yep, they definitely feel like quality tools with plenty of power, I plan to keep a couple for myself. Brushes wear out and power cords take a beating so it's nice to hear that you didn't have more expensive failures. Thanks for watching! :)
@@Mikeattempts I did melt down a gearbox once. Apparently you need grease in there! 🤣
@@warrenjones744 Hahaha, that's nuts!
Mike has a place in my survival shelter compound in the apocalypse.
Hahaha, thanks! :)
The real win is Makita actually having replacement parts and selling them. The ammount of companies that dont even sell replacement brushes or basic consumables for their own tools is staggering.
Yep, only the major tool brands provide access to replacement parts via large reseller networks.
Question: how do you manage your level of awesomeness?
Hahaha, any perceived level of awesomeness is thanks to the editing. ;)
I like it, could have made four good from the eight for nothing, but for one grinders worth of spares fixed al eight. I am sure the original handles would have been find too if you had them.
Thanks! Only 3 of them came with handles and replacements for the other 5 were pretty cheap.
Great video and troubleshooting. This is like a masterclass for repairing this model. I love that you can buy replacement parts as well - The way things should be!
I'm no pro but thanks for the feedback, I really appreciate it!
Hi like your video and approch to mending the grinders.I have been into it in a similar way but the grinders i have been repairing are the 9607B .Again a great grinder.Well done.
Thank you, I appreciate the comment! :)
Thank you for showing how you test them! Really awesome info for a diy man like me!
I'm glad it was helpful. I had to figure it all out before I felt comfortable filming and explaining the process. :)
Nice work. I suggest after the "it's good" test, check continuity between the metal head and both side of the plug - with the switch "on". Yah, it's supposed to be double-insulated, but you were in there doing things, and shi*t happens. UL/CSA/ETL requires this test during manufacture.
Ah, that's a good tip, I'll test 'em out. Thanks!
This is very informative. This shows that it is not a rocket science to fix these tools. Thanks.
Exactly! I'm no pro so if I can do it, anyone can. :)
Very good job and totaly friendly to our envirement!
Thanks, it is a nice feeling to know these quality tools have gotten a second life instead of being thrown in the trash. :)
Thank you so much, very detailed, complete, and easy instructions on how to repair power tools
Thank you, I appreciate the feedback and I'm glad you enjoyed it!
This was a joy to watch.
I'm glad to hear it, thanks for the feedback! :)
I now feel confident enough that I could repair one of the Makita grinders. Thanks for the video explaining the internal testing in simple terms. You've more than earned my sub
That's great to hear, thanks for the sub!
Great video!!! Very informative! Well lit, well articulated, well exlained...SUPER!!
I can't ask for better feedback than that, thanks! :)
Nice to see you fixing all the issues and spending the money on stators. Instead of what a lot of videos doing, moving on if it's anything more than a worn out brush. Thanks for breaking down stator testing too.
Yep, I figured it was worth it since these are somewhat expensive grinders. Thanks for the comment!
Thank you for a great 👍 repair presentation...🧑🔧
You are a wonderful
Teacher...
That's very nice of you to say, thanks for the comment! :)
Excellent video and i can see how you understand how things work, not everyone has that ability and you can't teach it. I am an electrician and am always amazed at the amount of stripped panel screws i come across, because the previous guy didn't do your trick of backwards first to find the sweet spot when reinstalling screws!! Very well done. I fix my own power tools but have never done the stator replacement. I fix a lot of water pumps too, the shaft water seal usually goes then the water creeps into the front bearing and rusts it out. i have fixed many 600.00 pumps with a 10.00 seal and a 10.00 bearing!! Again thanks for sharing!!!
Thank you very much, I really appreciate the positive feedback! I learn a LOT with each project and that's what I love about this hobby. I'm no pro so I understand that it's easy to feel intimidated at the thought of trying to fix something yourself but the only way to conquer that feeling is to try.
Nicely dpne! Dont forget guards, theyre annoying but serve a purpose. Thanks for sharing!
I appreciate it, thanks for watching! :)
As somewhat a professional safety is usually second or third
@@jerryross6898 Hahaha, yep. I can only assume, since I didn't get a single guard, they went straight in the trash. :)
You are the louis rossman of tool repair! Ive learnef a lot.
I learn a lot with each project too, thank you for watching!
The testing part of this was awesome and thanks for helping myself and others keep things out of the garbage bin.
Thank you for watching and commenting! I'm no pro but the more people that see these videos, the more tools we can keep out of the garbage (hopefully). :)
I was going to mention blade guards, but it's already been mentioned. Great job, nonetheless.
Thanks!
Excellent job and video! You have a new subscriber now!
You asked for a recommendation on the spring installation. Find a copper pipe fitting just larger than the brush holder in circumference. Slice a ring out of it a little wider than the spring. Install the spring over the copper ring before dropping in the winding. Slip the copper ring with the spring around it over the brush holder and slide the spring off onto the brush holder. I've actually done something similar to this on some hard to access brushes on a starter. You may find yourself at the hardware store staring at copper fittings. Lol!
Someone always asks if they can help me. My answer is nope. I can't show you the picture in my head!
Hope this can help.
Thanks for the sub! That's a great idea, it would be much easier to stretch them over the pipe before lowering the stator into the housing. There hasta be a tool for this though, right?
@@Mikeattempts I'm sure Makita has a thousand dollar custom air driven model on the factory line. Maybe they'll send you one! Lol! I'm cheap!
@@brainiac_brian Hahaha! I would think there's got to be some sort of cheap hand tool, kinda like snap ring pliers, that spreads the circular spring evenly.
00:05, please do more repair videos about those power tools.
That's the plan! :)
@@Mikeattempts by the way, this video is amazing.
@@nelchan2421 Thank you, I'm glad you enjoyed it! :)
@@Mikeattempts update?
@@nelchan2421 I've been working on some Makita cordless drills. I'm not sure when it'll be done though.
Thank you for this great video, make me comfortable buying used Makita tools knowing that they can be repair to like-new condition without much hassle finding parts.
Yeah, they're pretty simple inside, no circuit boards.
Man, that was strong work!
Thanks! :)
I have done this with my grandfather's black and decker from the 50s still going strong
It's funny how all of the older tools were made well but now companies like Black & Decker are considered lower end tools. I restored a Black & Decker 8" bench grinder in a previous video and it is very high quality.
@Mikeattempts same thing with the first gen of battery powered tools you could fix the batteries to take a full charge but now I don't thing it's a thing you know it's a good tool if the company sell replacment parts it worth fix and won't brake the bank
@@anthonytoreson5571 Yep, I come across some newer tools that I can't fix because those companies don't do replacement parts.
nice job! running those without the wheel guard would feel a bit too sketchy for me
Thanks! I agree but since none came with guards, I assume they were thrown out with the boxes. :)
@@Mikeattempts in the states they usually aren't included. i had the next model up from makita and that thing scared the bejeesus out of me whenever i had to use it. good piece of kit, just sketchy AF without that wheel guard
Yeah, besides chainsaws, grinders are probably one of the most potentially dangerous tools you can buy. It doesn't help that some people purposely use them incorrectly. I looked into getting replacement guards but they're not toolless, like newer grinders, so I assumed they'd just end up in the trash anyway if I sell any.
cant tell you how many junkyard tools i've resold over the years just because the brushes were worn. I guess the old adage of one man's trash another man's treasure holds true
That's very true but it never ceases to amaze me how some people won't even bother changing the brushes which are consumables and meant to be replaced.
Very nice! Great job!
Thank you very much, I really appreciate the feedback! :)
I am not sure why, but you just gained yourself the quickest sub I have ever given a creator.
Thanks, I really appreciate that, I hope you enjoy the channel!