Straighten A Bent Lawn Mower Crankshaft With A Pipe
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- Опубликовано: 27 авг 2020
- I will tell you why I don't use a hammer to straighten a bent shaft. I use a heavy pipe now because it is softer, safer, impact proof and easy. A lawn mower is garbage if it has a bent shaft. You have nothing to lose by trying this trick...
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For more videos like this, check out:
👉Proper Way To Tip A Lawn Mower Over ➜ ruclips.net/video/eeEVigsVqrE/видео.html
👉Fastest Way To Tell If The Crankshaft Is Bent On A Mower ➜ ruclips.net/video/3up57DHiCqs/видео.html
👉Here's Why Your Lawn Mower Is Leaking Gas - Honda Style ➜ ruclips.net/video/tp67AzWNbI4/видео.html
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Thank so much for this video Steve. I used to smash it with a hammer myself and the last time I did this I broke a motor mount right into the sump on a Honda engine! I'll definitely be utilizing this way next time
Right on
Cool Steve!!! Thanks!
Why not put a chunk of 2x4 cross the underside of the mower deck , then a small screw jack between it and the crankshaft. Seem , in theory that it would be a much more accurate way , could mount a dial indicator on the opposite side and get a running measurement while straightening
@@lesgallivan4159 that is a very good idea
I’ve straightened the crankshaft on several engines over the years and my system is similar to yours but I remove the blade and the spark plug plug so the engine spins freely. I then hold a sharpie in the position where you had the screwdriver tip but a tad closer. You spin the crank and the sharpie will leave a mark on the high side. Bend the crank the opposite direction with a cheater pipe, wipe off the previous mark and do it all over again. Works like a charm.
Great tip! Thank You...
He removed the spark plug
@@bitteroldman701
rest your hand on the lower side of the deck so it’s steady then pull the rope slowly to make the crank turn. It only takes a couple seconds.
@@StevesSmallEngineSaloon 8:44
As a youngster working around my fathers service station I worked on mowers every summer. Fixed several bent crankshafts that way. Customers gladly paid me. In fact after I got married a customer brought one in and said he bent the crankshaft and was trashing the mower. I told him I could straighten it, he didn't need to buy a new one. He said if you want you can have it. I straightened it , took it home and used it for many years. It had a wind up crank instead of a pull rope. Finally wore out the crank mechanism and put a pull rope housing on it until it finally died. Loved those Briggs engines.
What a story!!
From a youngster to a married man with the lawnmower as the subject
Finally a bent crank fix that doesn't involve a sledge. I'm a big fan of Archimedes ("give me a lever,a fulcrum and a place to stand and I can move the world") been using his principles for decades. I'm ashamed that I did not think of this.
The pipe trick gives you so much more control. Good job my friend and thanks!
I tried this and it solved my problem. I can’t thank you enough. I’m going through thought economical times, and not only I saved money on repairing my lawnmower, I also use it to make a little extra money. This was a win win situation for me. Thanks again, Sir.
You're Welcome...
Great video. On my lawnmower, I was able to disassemble the motor, remove the crankshaft, then put it in a big lathe. Using a torch on the bend, while straightening it to line up with the tailstock of the lathe.
Great tip Steve! I was going to do the exact same thing a few years ago but everyone kept saying “use a hammer” so I figured there must be a reason why nobody ever uses a long pipe. Should’ve just tried using a pipe, the hammer didn’t work for me and I ended up parting the engine out and scrapping it.
I bent my shaft worse than yours. I did what you said and it worked. I didn't get it as straight as you did but, my mower is useable. It definitely was not before. Thank you.
I saved my mower after hitting a rock that bent the shaft nearly as bad as your example. Used a 4 foot pipe just as you did.
Right on
Awesome video Steve!!! I just ran over a tree saw buried in the yard and noticed my lawnmower was shaking more than before. Haven't fixed it yet but now I know not to beat the hell out of it with a hammer! Lol Thanks man!!!!
Man, you rock! Straight to the point, very clear, professional tutorial. Thankyou so much!!!
You're Welcome...
This actually works well.Thank you very much, Steve, for this instruction. I snagged $250 mower from the dumpster and fixed it using this technique. Mows great now. A blessing.
Nice work!
Wow I am so happy now. So glad I found this video!! I’ll be fixing my mower today!! Used twice only and has been sitting for years… hopefully it’ll work in less than 14 tries haha
I watched your video on straighting a bent crank. I tried this on an AWD Husqvarna to no avail. The shaft appears to be considerably bigger than the one you straightened. Anyway, I enjoy and appreciate your videos. Also, the clock is great addition to my garage.
Thanks! Fixed my shaft!
Done that repair and it works! Even if it’s a very slight bit iff!
That is an EXCELLENT video! I purchased a Murray self-propelled mower for cheap, specifically because it had a bent crank. I did the hammer thing, but did not dare hit too hard. It made things a little better I have been putting up with the free hand massages for a couple of years. Now I have a method to make things way better. Thanks Steve, you are a star!
Glad it helped
Absolutely awesome Steve! You are definitely the master of small engine repair!
Wow, thanks
These are all presented so simply- it’s great. Thank you.
You are so welcome!
Simple yet ingenious. Thanks once again Steve.
Very welcome
Never heard of this before! Wish I knew about it about 50 years ago when I ran over a small tree stump in the grass with dad's brand new Toro! The mower was still usable,but it sure vibrated when you mowed with it!
Steve is a great mechanic. Saved me so much money as I do all my own service and repair. Lots of Love and respect from Leeds England 👍😁
Thanks Mate...
Steve, i have watched your channel for at least two years.Very informative and i am proud to be 1 of your 313k subscribers. Keep up the great work!
Thanks, will do!
A perfect example of why you're a successful mechanic. While straightening certain aircraft engine parts we never hit them, it's a gradual bending with a tolerance of up to .001 to dead nuts. Thank You!
Cool...
Totally agree, why hit with a hammer when you can bend with a pipe? Plus the bending method gives you time to achieve precision.
Hello Steve,
What a brilliant video!!
I thought I was going to have to spend a lot of money sending my lawn mower to the repair shop, but happened upon your fantastic video and now it works like a dream. As you say, the crank shaft is not factory straight, but it's good enough and I didn't have to spend a penny
Thank you. 😊
Right on Buddy! You're Welcome...
I've straightened a few crankshafts with a sledge and it worked fine, but your method is simpler and much less likely to cause additional damage to the bearings or deck. Thanks for the video!
You're Welcome...
Great information for those of us who need to know!
I'm not a big mower guy but that is the most money saving easy thing I've ever seen in my life that anyone can do to take what is essentially junk and have a perfectly operational machine afterwards. Thanks Steve!!!!
You're Welcome...
Most guys have there garage setup with shelves holding anti freeze, oil, WD 40 and a butt load of cleaning products but not here. I love how your shelves display all the different types of drinks needed to work on small engine's. Looking good Steve, keep adding to the list.
Thank You...
It is worth a shot. Thanks.
Great idea, sorted my mower thank you
Glad it helped
Simple and dirt cheap. Thanks, Steve.
Any time!
Briggs & Stratton had a tool to straiten crankshafts (a pointer system with a bolt to force the shaft correct.) back when I was very young and working on vertical shaft engines back in about 1965 or close to that time. I fixed very many in my days working for White Stores Inc. on Jensen Dr. in Houston, Texas. We usually fixed them under warranty but did not get warranty money from Briggs then. My dad was the manager and helped customers more than most back then.
Hot diggity my lawnmower had been sitting around for almost 2 months .been using my weed waker until i came across you helpful video , went out gave her a try with a pipe , and I'll be Damned ! IT WORKED ... the shaking and vibrations gone I it works just like if it were brand new .. God bless and thank you so very much sir . Salute ..🍺
You're Welcome...
Great idea Steve, I got one in the back yard with a bent crank. I’ll give it a try.
Right on
Cant wait to bent my crankshaft so i can try this. Great way to save a lost mower. Thanks Steve.
Glad to help
Great tip, you have no idea how many mowers got scrapped because of this issue.
You got that right!
I need to do this to one of my riders
I have the same mower Steve that you were using it's a Honda recycler with the double blade system the double blades hooked up to a piece of steel in the shape of a bow tie how do you get the bow tie off the crank shaft. There's 3 Is bolts total 2 of them hold on the mulching blades the 3rd one comes straight up the center of the shaft like a normal single blade mower but when I remove that Bolt 🔩 the bowtie won't release.??????
Awesome video! My wife ran over the frame of a trampoline that had been moved and was sitting higher on the ground with the frame exposed. When she ran over the frame it caught the blade and bent our Honda engine crankshaft. The mower has been sitting in our shed for 10 years waiting for me to repair it. I was going to purchase a new crankshaft until I watched your video. Now I am going to use your technique to see if I can straighten out the crank. I’ll let you know how it turns out. Thanks so much for this video. You are saving me lots of time and money!!!
Right on
Buen consejo.good advise good job.!!
In the push bike industry a very similar method is used to straighten drop outs and basic frame alignment.
Great video Steve 👍
Cool, thanks
I tore my motor down and straightened the crank with a hydraulic press.More trouble but I got it perfect.I was afraid to damage the block by prying or beating on the crank while it was still in the block.Worked for me.
That is a nice tip and I appreciate it so much even though I don't need it right now. This may help many who have a bent crank shaft on their mowers and maybe they can save their mower and continue to get more use out of it at a discount.
Right on
Great job. Just wish could have seen this a year ago when I hit a brick with my new mower.
Used a hammer once and yep game over for that engine! Now I know better, great video!
Thanks 👍
Thanks Steve.
You're Welcome...
Never. Tryed too
straighten one . Thanks
Just enjoy watching...thanks, Steve.
Very welcome
This video is legend. I ran over a buried rake and it brought my engine to a dead stop and then had a tight spot. I was able to get it started with difficulty, and finish a large lawn with the vibra-massage. I first looked on eBay for a replacement crankshaft. I wasn’t expecting that I could straighten it out like the Steve way. Thanks
You're Welcome...
I am so trying this thanks Steve !
You're Welcome...
Today I was given a mower which not only had a bent crank but was binding in the bottom bearing ,straightened it using your method and I must admit it did not end up as straight as yours but in the end it runs well.
Right on Gary!
Hi Steve, great video. 2 years ago, I used a mini sledge and a block of wood. Every hit moved it a 1/32, so it was perfectly concentric in the end and ran great afterward. However yes, at the time it seemed barbaric and i was scared what I was doing to the bottom end. Next time (hopefully never) it will be your method. Thanks again!
You're Welcome...
This works. I did it and results were surprisingly good.
Right on
Steve: another really useful video and a very clear easy explanation of what to do to fix the problem, many thanks.
Very welcome
good idea and saves having to replace the crank, taking the while engine apart. Did that last time. Thanks
I had to do this after hitting an iron nail. I got the crankshaft straight but now the mower deck is slightly bent. It is still way better, quiet now and less vibration. I may not even bother to try and get the deck straight its an old mower anyways! Thanks for the video.
Thank you Sir!! I was able to fix my lawnmower!
Excellent!
This is great. I took a 3 year old Husqvarna mower to a dealer asking them to explain why the muffler has shaken itself completely off. They sold me a $50 replacement muffler and said everything was fine. It wasn't fine. It broke a motor mount next time I used it. But maybe now I can resurrect it.
Thanks for teaching me the right way to do this.
Any time!
About to try it now. Wish me luck!
Good luck!
This Crank Shaft Is not BENT" Its Rotationally Impaired !!!!!!
Hahahahahahahahaha
:)))
It's dizzy from too much ethanol in the tank.
I'm imparid also 🙃
That's the Joe Biden explanation.
Thanks - from UK
I would not have thought that thin wall pipe could do it, but it did, good tip!
Thank You...
That was incredible. Thank you sir.
Thank You...and You're Welcome...
If you had to pay someone to replace the crank it is generally cost-prohibitive but if you can do it yourself then it would be the better option, the crank is the biggest cost but normally the gaskets and other smaller parts that are needed aren't that expensive. Another good indicator that the crank is bent if it is bent enough will be wetness around the lower crank seal. I have replaced several crankshafts on the John Deere JS38 self-propelled push-type mowers & made fairly good coin when I sold them (mind you I got them for free because the owners were told too expensive to fix) & it would be if you were paying someone to repair them. Another great video Steve thanks again.
Thanks, just what I needed. I hit an immovable object with my blade last season. It completely stopped the mower when it hit. I changed the blade since it was chipped and the mower still works well but vibrates so hard. I'm sure this is the issue and now I know how to possibly fix it. Good stuff.
Good luck!
Steve you are a wealth of information.
Thank You...
Thanks Steve! I hit a big rock when cutting some tall weeds. I thought it was a bent blade, but it still vibrates with a new blade. I’m definitely going to try this. I just need a long pipe.
Good luck!
Best solution👏👏👏👍🏻
Thank You...
Love your work Stevo
Ive got a good candidate for this at my shop.
Right on
Great tip Steve! I have been using the hammer trick and have a lot of pipe laying around to try your trick the next time I get a bent shaft in.
I wouldn't straighten one for a customer. I have a crank straightener and was straightening one of my own that was bent as bad as Steve's and it snapped. You can never tell on one as the steel of the crank is compromised when it bends. If it breaks while it's running, that blade has to go somewhere and can hurt the operator or someone else.
Thank you for your channel. I do small engine repair and I still learn Soo much from you. You have done nothing but make my life and business alot easier. And I subbed today. Idk why I just kept searching for you haha
Thank you very much!
Awesome love it. Don’t need tool straightener. Thanks a lot
No problem 👍
Thanks, Steve
You're Welcome...
You giving away all ur secrets!! Thanks for the tips
My pleasure!!
Thanks Steve, great stuff!
My pleasure!
Thanks for the tip Steve! I have a Husqvarna in the garage with a major bend about as much as yours was. Hit a stump, instant stop and a big puff of smoke. I'll try the bar method as I didn't want to hammer on it. I'll let you what happens!
Right on
Brilliant Steve.
Thank You...
THANK YOU STEVE , I,LL GIVE IT A TRY !!
Good luck!
Thank you for this video.
I will try it.
Have fun
You the man. Thanks.
Glad to help
Steve you’re a legend man. Love the vids and keep doing what you’re doin man. So much knowledge being shared here. One of my favorite channels! 👍🏽
Thanks! Will do!
Totally agreed
Well Steve you amaze me everytime! I will try your method and if I have any luck! Thanks for sharing your awesome skill!
Thank You...and You're Welcome...
Great tip
Thank You...
Going to give it try my friend
Right on
I have to do this, thanks!
Any time!
Superb job, cheers
Many thanks!
Thanks very helpful
You're welcome!
Awesome video Steve! Why didn’t I see this before I junked a beautiful Honda mower 3 years ago. Keep up the good work. Drink 😊😎👍🏻
Thanks 👍
Thanks
Welcome
Thanks for the tip. It's good to have options.
No problem!
Amazing! Thanks!
You're Welcome...
I just ran over a very large bolt that was laying in my yard the other day and it brought my mower to a dead stop and completely mutilated the blade and crank. I put a new blade on and it vibrated so bad it was unusable. I took the blade and adaptor off, used the blade as a straight edge to find the high spot and have it one good whack with a sledge hammer and it was straight as a pin. So funny this would pop up in my suggestions after going through that. This is clearly the better route as its more controllable. I can't tell ya how many decent mowers I've seen thrown at the dump for just a bent crank. Nice to see ya giving good instructions on how to fix them.
Thank You...
A great tip Steve thanks
Happy to help
Thank you so much!
You're Welcome...
Great job Steve, thank you.
Very welcome
Excellent Video!!!
Thank you very much!
Great videos…VERY informative…you get to the point & I REALLY appreciate it !!! I can hardly wait to try this…THANK YOU STEVE!!!!
Have fun!
Thanks😊
You're Welcome...
Thank you!!!!
You're welcome!