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Bobcat Hydraulic Oil and Filter Change on M-series loaders
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- Опубликовано: 4 окт 2021
- Bobcat hydraulic oil and filter change on the Bobcat M-Series loaders. How to service the hydraulic system and change both the charge filter and the main hydrostatic filter.
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Worked at Bobcat for 3 and half years and heard different methods but this is the best video showing how to change hyd fluid.
Nice to know. My T590 is new with 120 hours so I don’t need to perform this maintenance yet but I learned a lot. Thank You!
Glad it helped!
Another great video. I’ve been around these machines for a while and you’re the first person I look to on RUclips when I’m not sure about something. Thanks
I am a car mechanic . And I love your honesty . And how
Your information can save many people lot of money and times👍👍👍👍👍👍
Thank you for the information! I agree with you! Keep making these types of videos.
You might be the safest bobcat technician in the world
I work for Clark equipment in Australia, doing the hydraulic filter from the side access has always been an absolute nightmare to get out for me for whatever reason, I’ve tried every filter removal tool possible, you make it look so easy 😅
I enjoy your videos, this is the first time I've done the filter element change on this 740. Thank you so much for making the videos for some of us out here who just need a little help. LOL. Keep up the good work!
Make sure the rubber gasket stayed on the old filter . Great video.
Great Videos, I just picked up a T200 and I'm learning as much about it as possible.
Ok, I had it brought to my attention if you use two hoses on the axillary ports both the in and out. Set an empty 5 gal, (out), and a full bucket of new hydraulic oil fluid (in), you can completely flush out the old fluid? Has any one done this? Will it overflow the reservoir? Sounds like a real trick if it works? When would you change out the filters? Before or after? Would like some input on this method? I just did the discharge part of this as you showed. Looks like I got somewhere around 2 1/2 -3 gal out from this out port (top one). I’m doing this on a T450 Bobcat. Believe the complete system is around 5 1/2 gals. So I still have quite a bit old fluid left in the machine? Also, another thought would be keep adding new fluid to the reservoir till clean fluid flows out this out axillary port?
Ok, I just did the latter, I added fluid to the reservoir as I expelled the fluid out the top port. It cleaned out all the milky brown stuff that just started the first time when it started to bubble out. I ran the rest of the 5 gal bucket of the new fluid into the reservoir. The fluid coming out was not perfectly clear, but looked pretty good.👍🏼 😊
You are the best man I enjoy every video you post !
Quick question how much oil you pull out of the pump ? 3 gallons or more ? Thanks in advance
Great video ! I purchased a 2016 T550 and have changed all the fluids and filters except the hydraulic fluid so now i know how to change the hydraulic system . On the antifreeze i have not changed that fluid how often do i need to do that the machine has 3300 hrs. I am wanting to change everything so i can start fresh and know where im at with the machine. Thanks for all the help !
Honestly I don't think cavitation would be a problem because you're putting no high stress on the pump the pump is barely running idling awesome video I did subscribe about to do this to my t770 glad I found your channel
Thanks so much for watching and subscribing!!
Thanks, your vids are great. You are a fantastic communicator. You pretty much answer my ?'s before I have a chance.
Gotta do this one soon.
Today my boss 75 horse 2014 bobcat had the whole filter housing come apart. Where do we start? Any videos we checked with Bobcat on parts
Great video thank you so much. as you showed in this video you only pumped out 3 or 4 gallons of fluid . I was wanting to change as much of the fluid i can hopefully the 9 gallons it requires. my machine has 3300 hrs and i don't know if they ever changes the fluids . i have changed all the fluids and filters except the hydraulic oil and filters. how do i do a complete oil change ? is there a drain plug ?
Thank you so much for these videos ! I have been learning so much .
Great video! Just made me a subscriber. I have a 2014 S550 and it has the little screen filter under the cab in the housing. Can you believe the local dealership tech told me not to change my hydraulic oil? Today the machine shut off because it said 'hydraulic oil extreme high temp' I think it has lost/decreased its viscosity. Changing it, the filters and cleaning the coolers. Has 2200 hours. Thanks for being thorough and easy to understand.
Thanks for the subscribe! Glad you have found the videos helpful!
What’s the best way to bleed the system after you refill? Thanks for your help
Thanks for the video! Bringing a 1979 Bobcat 730 back from the dead with milky hydraulic oil. Just repacked both lift cylinders and was trying to figure out a way to flush it.
Just Finished servicing the hydrostatic oil and filters on my 2018 T770. After running it about 5 minutes today, the machine shut itself down with error code D7528: “Right swash plate out of position”.
Double checked all filters and oil levels. No metal or glitter in the old or new oil, but the new oil is the blue stuff and the old stuff that came out was a different color and smell. I’m a bit freaked out. Any idea what’s going on here?
I was exposed to the concept of cavitation with my 7.3 Ford diesel and thought my leg was being pulled but it was explained to me that improper. Antifreeze allowed ait bubbles to form and the diesel caused a vibration that smashed the bubbles against the cylinder walls and unchecked, ruined the engine. I put in a long life antifreeze that is supposed to stop that. 200,000 miles later I,m still good. John
I own a 863 bob cat I replace 1 hydraulic filter under the cab, now it won’t tilt or the arms move 😅do you know if I have to bleed air out for the hydraulic system to work again? Tia.
This is a gold mine video on what needs to take place in the right order. Thanks so much. A while back I started getting a M3507 Hydraulic Fan Open Circuit on my 2014 T650 M Series. It happened after I used a hose to clean out some pack rat mess under the cab when I had it tilted up, like some sort of connector got water in it or something. Any ideas on what to troubleshoot first?
Check plug on hydraulic fan solenoid for moisture
A good man for the job
I'm curious on how draining and replacing only 3-4 gallons of the (in my case T590) 9.5 gallon capacity does any good? How can one drain the entire system? Would you continually feed fluid into the reservoir while pumping out the aux hydraulic until you have pushed through 9.5 or so gallons?
Great video, thank you for sharing, I have a question, how to change “oil level” glass on 2015 T630, just remove screws and coming out? I guess is great idea to do so when tank is empty
Great video - loved the amount of detail and explanation!! Since this is just pulling out 3-4 gallons, I'm guessing that equates to about 40-50% of the fluid in the system. Is that right?
Yes are exactly correct, system is about 5 gallons total.
Very good video! Thanks excuse I want to change the in line hydraulic filters but I can't find them, do you know maybe where can they be located please? Thanks.
Thanks for charing jour video’s. I have my s300 for 14 years now and itwas always a mysterie for me to understand this technologie. It has 450hrs now. In the years i had to add regular hydrolic oil an i was always demanding where the oil was gone, there were no leaks! Is it possible the oil is leaking in the chain box? Thanks for clearing this out for me. Philippe
They will be the same inputs of the hydraulic track pump motors of a bobcat t250 even a bobcat t190
I have a 763. Bobcat is out of Hydraulic fluid online. (List at $62/2.5 gal)Nearest dealer 2.5hr drive is $82/2.5gal jug. Service manual says I can also use 10w-30 or 10w-40 motor oil. What is your thoughts on that?
20 years ago motor oil was acceptable but changes in oil additives and detergents over the years have changed. It's better to stick with a hydraulic oil AW46. You should be able to buy it at Napa or any auto parts store.
Love the Videos! At the end of this video you say all we have left to do is bleed the system. Can you let me know how?
Just start the engine and run it thru all the controls several times, lift all the way up and down, tilt all the way up and down and drive it a little and it will bleed itself out. If the oil is foamy it will clear up after sitting a little while.
Muchas gracias por su aporte
Desde Colombia
I have a s300 the cooling fan is hydraulic and it have a sensor the fan isn’t working I appreciate if you help me out where I can start with thanks
Can I flush out hydraulics on a t66 the same way or is it different
Hola que tal tengo un bobcat 853 me pierde líquido hidráulico revise bomba está ok tampoco se pasa a las cadenas que más puedo revisar ?;
Berry good explanation I have a 843 model bucket won’t move a all any sugestión i will really appreciate if you can help me thanks
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I have a 2007 S250. Recommendations where to buy the fitting to make a hose to flush through aux port?
amzn.to/3CIDYe5
I noticed you used filter pliers on one filter and a metal strap wrench on the another. I have a pair of the same pliers you used. I found they work much better than the strap or any other type of filter wrench. They work so good I don't even use any of the other types I have anymore. Pliers have worked in every situation and on every type of spin-on filter I've come across. When the filter is too tight the strap wrenches just slid around the filter. Pliers grip every time. Is there a reason you used the strap wrench on the last filter instead of the pliers? Hoping to learn something here. Thanks.
Great question, I also like the pliers but there is not enough room for pliers to remove the fan filter, due to limited space the band filter works better in that situation.
How to find the fuel wholesaling solenoid on a t190 bobcat
Bobcat dealer is 100mi from me and kinda spendy. I am curious as far as quality or fitment there are good substitutes like NAPA, CAT, or others that can be ordered for hydraulic, fuel, or oil. I have a 863c if it matters. I don't mind spending extra on good fluids and filters because I feel I am saving money in the long run, but I don't like eating dealer mark-up if I don't have to.
Napa gold or WIX filters will be just fine for the 863. They are really good filters.
I bought a T590 used and don't know when the hydrostatic fluid was changed so I am going to change it. You mentioned bleeding the air after the fluid change. Is there anything you have to do to bleed it or does it bleed the air on it's own when you run the hydraulics?
I will bleed itself on the loaders
Thank You
I like all your videos, I need you at my place for a good day maybe day and a half lol. Quick question, do you have to evacuate the hyd system to replace the main filter in the back?? Probably should every time, but is it necessary?
Its not necessary to evacuate the tank but the filter and hydraulic oil change are on the same maintenance schedule.
The fluid started coming out clear and then turned milky at the end, What do you think was the reason?
What is different on the thousand hour change? My machine has 2300 hrs and I'm gonna do what you showed in this video.... should I do anything more?
1000 hour I do everything, all filters, all oils including drive motor oil if track machine and chain case oil if it's a wheeled machine.
what do you recomend me to do? One of my employers added Diesel where the hydraulic liquid goes..
Flush the system 3 or 4 times and it will be fine. Happens all the time
Where can I get a fly wheel Ring gear for a bob cat skid steer 751 🙏 please
I need change my hydraulic oil on my 763 and change out my case drain filters too
@HowIDidIt I have a 763 and was wondering if the change is the same process? There is a hyd. oil filter on the back above the motor but is there a 'top' filter as well. And then when filling does the oil just go into the overflow reservoir by the dip stick or is there a second tank that should also be filled. Sorry for the questions but i inherited this machine and there was no manual. Used your video to reseal the leaky spools - thanks!
@@zepper25 the only filter is above the engine in the back. There are 2 case drain filters under the cab. The hydraulic oil fill hole is on the outside right side behind the seat. There is a hydraulic dipstick next to the oil fill as well
@@SteveDoesEverything Great, thank you for that. That saves me from tearing off the upper cover on the back to check and see. I'll have to take a look at those filters under the cab. Sounds like they're inline filters?
@@zepper25 yes the case drain filters are inline
Just got an s650 at auction. Its low on hydraulic fluid. The breather cap is on super tight. Can i fill thtough the other plug with the hex on it also on the top of the tank?
Yes you can fill it there
@@tetradgroup Awesome.
I have the cartridge style filter at the fan. Can’t get the cover off of the filter to save my life. Starting to crush and twist so I stopped. Tried every kind of lube and heat (to some extent). Any thoughts on how to get that cover off? Thanks
Wow, I've never had one that tight. It should have a 1⅛" nut on the end, try a wrench or worse case an impact.
My manual says to change filters at an hourly mark OR every year. Well i went to bobcat and got all my filters for a t590 and E50 R2 and it was $940. Is it necessary to change hydraulic filters every year if you don't meet your hourly limit? My machines are personal machines. My E50 is a 2020 and it only has 180 hours on it.
No don’t be a chump
Where in the world did you get that pour spout for the hydraulic bottle?!?!?! I need that in my life!!
I got that from the Bobcat dealer, haven't been able to find them elsewhere
I got that from the Bobcat dealer, haven't been able to find them elsewhere
@@tetradgroup looks like I know where I'm going on Monday. I spill so much fluid especially on my T66. Thanks! Keep up the videos they are great!
Your videos are awesome but i do have a question im workin on 2015 t770 did 1000 h service and the machine is throwing a hydraulic temp to high and filter plugged codes right at start up everything cold changed hydraulic temp sensor didnt fix problem do you have any ideas im starting to pull my hair out and bobcat not real forthcoming with any help? Thank you
Did the bottom of the old filter blow off and remain in the filter housing? That would cause the filter plugged code. Not sure about temp.
@@tetradgroup i pulled filter and checked nothin but now that code is gone and the m0721 still there even before i start the machine im at wits end guess i will tell customer to take it to bobcat
@@jackmckahan742 you could unplug temp sensor and see if code changes.
@@tetradgroup ive done that already that started a hole rash of codes flyin in
Will this work on a mini ex? I have an old 331G
I've done my 500 hr service on my 2018 T770. That was fun and interesting. But this machine had some iffy emissions components, so they sent out a Tech to change them out. We got to talking, and he said this machine doesn't like to give up all its hydraulic fluid when pumping. Would your hose technique on the Aux hydraulic line work on this machine too? If so, I'd love to pass this on tho my Techs up here in Idaho. Thanks!!!
Yes that would work on the T770, you get about 20% more oil than pumping the tank but like I said in the video, not everyone agrees with this method because they think the pump will cavitate. I may know the Idaho guys, we just purchased most of the dealers up there, they are now part of our dealer network.
@@tetradgroup Cavitate, shmavitate. Even if it does, its not like you're running that pump all day long, like that. Just long enough to change out the old fluid. I would be very surprised if cavitating a pump for such a short period of time would kill a pump, I would bet the pump was suspect in the first place. Thanks!!! Stay safe, and keep the vids rolling!!!
How many ltrs/gln of hydraulic oil we need ?
Thank you Sir ❤❤❤
Did you say 8000 hours? Can you share what major repairs have been made
Я отработал на bobcat 20000 моточасов без капитального ремонта мотора и гидравлической системы, и все функционирует исправно
This is why i have a Takeuchi tl150. Easy everything....(:
How do you bleed the system
Thanks!
Thank you so much for the support
I think I am going to stick with the the procedure outlined in the service manual, I have an older machine, there are other screens/filers they want you to clean as part of this service.
The older machines do have case drain filters which are a mesh screen filter. The new machines no longer use those filters.
Is there a Suction screen in skid loader’s
Not that I'm aware of
How do you bleed all the air out of the system?
Just start the machine and run it, no need to bleed the air from the loaders, the excavators however do have a bleeding procedure.
Would that be the same for 763, bleed through aux lines?
Yes, works for any machine with auxiliary hydraulics.
@@tetradgroup I've got three ports, which one do I hook onto?
@@dealsfromvirginia1773 either of the big ones will work
Can I do that on my old 751 bobcat
As far as pumping out the oil, yes, works the same way.
How to find the fuel wholesaling solenoid on a t190 bobcat