The Best Way To Remove A Chainsaw Flywheel!
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- เผยแพร่เมื่อ 18 ธ.ค. 2019
- The Best Way To Remove A Chainsaw Flywheel!
In this video i show you two effective ways on how to remove a flywheel from a small engine.
Be safe, always wear safety glasses when attempting these procedures!
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Easy to follow and thorough step by step tutorials do it yourself (DIY) to help you with your broken lawn and garden equipment including snowblowers.
I do my best to teach you how to easily diagnose problems the fastest, quickest and most efficient way with real repairs beyond just replacing a spark plug. These tips are for both the homeowner and shop owner.
Whether it be a handheld, two stroke, two cycle engine like chainsaws, weed eaters, string trimmers, grass trimmers, line trimmers, hedge trimmers, strimmers, brush cutters, leaf blowers, or four stroke, four cycle units like lawn mowers, lawn tractors, snowblowers, pressure washers, generators, ride on mowers that need parts installed or replaced, I’m your go-to guy.
My favorite brands of spark plugs are NGK and Champion and are the ones I recommend.
I’ve been a small engine mechanic for many decades and also run my own repair shop so my videos are loaded with tips and tricks that I have learned and want to share with you. You will also find many tool and product reviews from top brands on my channel as well.
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Due to factors beyond the control of DONYBOY73 “The Small Engine Doctor”, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. DONYBOY73 “The Small Engine Doctor” assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. DONYBOY73 “The Small Engine Doctor” recommends safe practices when working with power tools, hand tools, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of DONYBOY73 “The Small Engine Doctor”, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not DONYBOY73 “The Small Engine Doctor".
#donyboy73 #db73 #smallenginerepair #how-to - แนวปฏิบัติและการใช้ชีวิต
19 idiots downvoted this video...why? what possible reason could they have? smh
other jealous youtube channels and shop owners
Hi, Don I need your help. I made a mistake on my 310 stihl chainsaw trying to cleaning I took off the front pulley and now the flywheel won't spin neither can get the rope out. Plase help
It's called jealous loosers!
Because he’s way over explaining his hammer selection and how to hold the saw when you hit it. Anyone who’s even considering removing a flywheel knows tools and is mechanically inclined and if they’re watching this, they really just need a quick “lock up piston, unbolt, screw tool on, give a light whack or 3, and remove.” Not a long explanation on hammer selection.
Granted I didn’t downvote, but being in a hurry, I was a little annoyed at the drawn out hammer choice and saw holding explanations and I’d imagine that’s why people downvoted.
It's because they broke their flywheel
He is among the top 10% of the small enging tech on TH-cam. He is very organized and knowledgeable in his trade.
Don,
Thanks for all the great tips you gave us this year.
You definitely have the best small engine channel on TH-cam.
I wish you and your family
Merry Christmas .
Stay safe brother. 👍
Just want to say thanks for all the videos. I’ve learned so much about small engine repair watching your channel. It’s great to be able to fix things yourself...a sense of independence and certainly helpful in the wallet! Great stuff! Merry Christmas and Happy New Year!
As always, well explained and practical advice. I really appreciate that you showed two good methods. Thanks Dony!
Excellent Photography and editing.....not to mention great technical advice, Thank you!
You also always have good audio.
Yes, for a non-professional (or even for a professional) Dony has amazing videographer and editing skills. His photography is well-illuminated, his audio is clear, and his editing is great. Also, he just seems like a nice guy.
First class instructional video, thank you for this most useful information.
Perfectly informative!, a Craftsman chainsaw I've been working on! The rope trick and the second method you used on the Poulan, worked like a charm!, thank you!
Don, you just saved me a huge headache. Thank you so much for this video!
I've not only enjoyed all your videos but learned quite a few great tips!
Thanks Dony!
Merry Christmas to you and your family!
It's a very useful tips. Thank you so much, Dony.
Encore un excellent video très instructif, merci Dony
Thx Don, just changed flywheel on Makita Brushcutter following ur advice and without any special tools.
Instructive as always, thank you very much. greetings from Spain.
Great video. Touched everything - especially eye protection!
Merry Christmas Dony! Thanks for the videos!
Great advice because I have some flywheel removal to do. Merry Christmas and Happy New Year!!
In my 76 years, I never heard of a 'piston stop'. Goes to show, your never too old to learn.
HI UNCLE BOB!
Thank you 🙏 sir love ❤️ your videos
You're never too old to learn.
Fannys your aunt!
great tips....can save a lot of thread problems when it goes back together
as always, friday afternoon i waiting for video ,and it is always something to learn
thank again
A lot of great advice in this one. Thanks!
Good information. You make it look easy. Thanks.
Goodmorning from Greece. Perfect video, useful as always. Thank you very much fot your knowledge share. Merry Christmas to all your family!
another helpful tips to all chainsaw lover.. Big thanks
Genius Merry Christmas buddy
Good job and great tip. Wishing you and your Family a Merry Christmas and a Happy New Year!!!
Wonderful Video, Donny.
Yes Yes you are the man. Thank you. Thank you. Merry Christmas to all.
Thank you Dony.
Just when i thought i knew it all. And just another thumbs up!
Great video thanks for the info and have a Merry Christmas to you and your family
You have the New subscriber…
Thanks for your help
Great information ! Thanks!!
Thanks Don ! 🎄🎄🎄
Another great video. Thanks for everything. Merry Xmas to you and your family.
Happy Christmas 🎄
Please educate me here. Restoring my 028 WB from high school. Why is the piston stop needed ? Thanks for the vid .
Great tip!!!!
By far the best small engine repair channel on here!
handy video and well explained!
WOWW DONY--GOOD JOB...
Thanks Don. I never really liked the rope idea although I have used it.
DB73; Once again you bring us very good content on your channel. Thanks Buddy, * Marry Christmas * All !!!
Thanks Don
Very nice video!!!!
Once again great tips for saving equipment and making things easier to work on. Thanks for sharing. I have also heard of using regular clothesline rope. Is that bad?
Thank You.
Great video!The flywheel on my Stihl BG85 is very stubborn to come off. Would you have a PN for the proper tools to use and do you think it just might be a little fused since it was never removed and just needs a little more force/whacks? Thanks.
Thanks, stone smooth!
Good point about trapping the rope!
True I did that with the impact on a flywheel key.
Thanks
Hi Donny what's the torque setting for the flywheel nut on an 20 yr old MS170 ?
great advise , and then i come out with an idea, the nut in the flywheel as you show there I put a long socket 13mm in my case and the banged with a rubber mallet and voila!! nice and lose. Thanks Dony
Hi Don, Great video, would just like to ask you, the Stihl Flywheel removal tool will this fit a MS171 chainsaw as I've been told on some smaller models the shaft is a different size?
Nice trick.
Ouuups, depuis le temps que j'utilisais mon outil impact. Merci !
have a good x-mas don ... †
Great to know, thanks. But WHY does this work, is there enough movement along the crankshaft and/or something that the flywheel hits to jar it loose when you hit the crank end(with nut, etc.) with the hammer? I've obviously never worked on a chainsaw but lots of lawnmowers and old outboards and there's usually a hole, sometimes tapped, sometimes you have to tap it, to use with a puller.
RichE San Diego, CA
Thanks Dony. This is just what I wanted to know to repair my saw. I see lots of Chinese flywheels. How do you rate them?
Thanks again great informative video
As allways good safe advice that's so handy to know :-D
When i was a kid i removed a magneto flywheel off a motorbike using string and a small hammer, the string went through the flywheel holes twice so i could pull them really tight. While i was pulling, my mate tapped the nut twice and the flywheel jumped an inch forward and was stopped by the nut.
Simple methods can work really well :-D
Great comment zx8401ztv, I've used this procedure when I didnt have the rite puller setup but used my fingers to hold the flywheel, supporting the powerhead entirely then (with a helper) carefully smack a deep socket on a flange nut which was backed off slightly and always had good results. My fingers thank you for the string idea!
Arne Nelson
The string and what my dad called 'Shaking the taper' worked so well for me, good to know some tricks :-D
The old haynes manual was great for ways to do a job without special tools as well :-D.
will the flywheel puller tool stihl part 5910 893 0801 fit on all stihl chainsaws I have a stihl ms270c? Thanks donyboy73
Hi Don....do you have any videos on the Stihl MS 391? I thought I saw one on your higher shelves there?
I back the flywheel nut off a bit and pop the end of the crankshaft with an air hammer. Pops the flywheel loose instantly. Been doing it that way for 20 years. Basically the same thing as in this video.
Until you get a real tight flywheel.
fixinphil Flywheel is just on a tapered shaft. Not threaded on. I’ve taken off flywheels on really old rusty engines, over tightened flywheels, everything. Like I said I’ve been doing this at least 20 years. I’ll let you know if I ever find one I can’t get off. Lol
wcjcnc The method that you use to get the fly wheel off is exactly what I do works every time
wcjcnc I understand that. Taken off many also but every once in a while you get one that's really tight. Same with gens. Always get them off too but definitely will try your method.
fixinphil I also use that method on alternators. Carrier and Thermo king pulleys are on real tight and we send them out to the rebuilders so you cannot damage them
How do you know if that flywheel nut is right or left hand thread?
The right tool for the job. I say that every time I am messing around with something without the right tool, which takes me 10 times as long and usually breaking something.
I have that knockoff tool for larger 4 cycle engines, it's a stens I got off ebay, it works very well.
I remember asking you about 3 years ago, how do I stop the flywheel from turning when attempting to get the nut off, you said I don't know to me, maybe you didn't understand the question, I don't know. But now I have a strap wrench and an impact. I've pulled so many flywheel's now its like second nature. Mainly 4 cycle's but I've pulled those little ones too.
Always good to grease & protect the nuts !
And the shaft. Don't forget the shaft.
I like the part when he showed how to protect my nut and my shaft very educative thanks
Nice tips. On my old Briggs motors I put some wood wedges between the flywheel and the block and tap the nut with a mallet. Usually works but I haven’t come across a real stubborn one yet. Now if you could help me with my Gravely magneto???? Funny, but magneto doesn’t come up in spell check.. Just the young tech guys haven’t heard of that one!!!!!!!
Cảm ơn bạn video rất hay chúc bạn sức khỏe tôi đến từ việt nam
I've found on most flywheels you can loosen the nut then take a medium hammer and hit the flywheel on the non-magnet edge. The flywheel pops off usually.
How does the saw's engine go up in the compression stroke, even though it only has one shaft?
I was curious why you couldn't just use an impact wrench. Would that work
Safety 3rd!
How to open and install the MS 382 crankshaft chainsaw and what the key or tool looks like
Hi Dony, your’e channel is awesome. I just pulled a flywheel from my old 1987 Husqvarna 281, one of my favorite saws. I got the wheel off (had never been pulled), but it was on there pretty good. No damage done. But, I am curious if applying a little bit of anti-seize compound to the crankshaft, or inside of the flywheel’s hole would make it any easier to loosen and pull the flywheel. I’m guessing not as I’ve not seen reference to that in any service manuals. Otherwise I was planning on putting a little lithium grease around the shaft, and hopefully pull it more frequently for routine cleaning so perhaps that’s all I need to do. Advice appreciated.
hi, it is not recommended to do that
Very informative, thanks.
Working on a Husky 440e. The case needs to be replaced due to an oil leak. I've removed the 4 screws holding the engine to the case but it will not budge.
What next, does the fly wheel need to be removed??
I back the nut off a bit and pop it with an air hammer. Been doing it that way for 30 years.
How to remove flywheel stihl 041 farm boss?
Unscrew the nut until flush with the shaft end, put a short socket over the nut, then use an air chisel tool to pound on the socket. The flywheel will pop off almost instantly with no possibility of damaging any part of the motor.
Hi Don, another great video! With a Stihl trimmer that has the built in key which has sheared off ,could I use red locktite to help hold it in place? The cost to replace the flywheel is $130.00 CAD. so it’s not worth the repair cost.
It may or may not work
Where can i find the piston stop tool young man that is great tool to have in your tool box great advise there 👍😃😀😁 stay warm up there in canada
it will be on amazon or ebay
@@donyboy73 thx for the info my candian brother ,👍👍
Yeah that's how I do it.. great video mate
Flywheel puller? Done! 2sec video!
If you tighten the flywheel nut up with an impact wrench you can risk cracking the flywheel,so it should only be tightened up with a torque wrench !
Great info Donny. Have a great Christmas and a Very Happy New Year with all your family.
Can those piston stops be used on B&S engines to position TDC for valve adjustment???
I have never tried, but they won't work on most briggs
@@donyboy73 Are you aware if anyone makes such for a B&S to aid in valve adjustment?
@@REVNUMANEWBERN just google for a service manual
310 stihl key way on flywheel repair
Usually just hammering on the shaft(something soft not to damage it) will pop off the flywheel.
Awesome method there Donny mate cheers from Australia to Canada
What’s a good gasket sealer for a chainsaw cylinder
Dirko
donyboy73 which one for dirko
👍
Most times the threaded plug will work... but after poking a hole in the piston I prefer a rope!!
I couldn't find the tool to remove the flywheel by hammering @ a reasonable price so... I took the nut off, reversed the nut and screwed it on nearly flush with the end of the crankshaft, a helper held the saw while, I using a ball peen hammer held on the nut I struck the rounded end of the ball peen hammer with my brass dead blow hammer, worked like a charm. you could also make your own tool from some scrap hex or round stock and drill and tap it . 8mm x 1.0 is the tread pitch, 7.1mm is the tap drill size for the Stihl 029 I have...your results may vary 😁 (Just don't knock the 3lb hammer off the bench and have it land on your instep, 1½ days later it still hurts 😣)
How can a piece of rope in the cylinder keep the piston from moving?
The piston is trying to come up to the top of the cylinder and the rope piled up in the cylinder takes up the space at the top and the piston can't go fully up. You should watch (through the spark plug hole) for the piston to be almost at the top before you put the rope in and then shove in as much as you can. If the piston is near the top then you should eliminate the problem with the rope getting into the ports because they will be below the piston top. Actually the rope might be easier on the top of the piston than the steel peg which could put a dent in the top of the piston if you put too much cranking pressure on it.
Thanks Dave, now I get it. 👍
Donyboy 73 is the flywheel the part that spins in a circle as you pull on the recoil?
yes
Thanks for your STIll improving methods of flywheel removal ! Once I tried to feel like a crank ball bearing though - while such BRUTAL hammer (even brass one) operation ;-) And I must say: IT DID HURT, really; ball bearing SHAN'T be treated with that axial stress! Probably it can enshorten durability of those two. My flywheel MODE D'EMPLOI is 1.Set two flat steels under flywheel AND MAKE the whole engine HANGING on them by two strong wooden boxes, 2. Loosen the flywh. nut up to last thread is not seen, 3. Hit is as you did, but by steel hammer AND hard WOOD SEPARATOR (aluminum could do as well). This way we can SEPARATE BEARINGS from any hammer-shock = cuz strains are transmitted directly into wooden boxes by means of two flats! Try mentally be with eiher crank bearing :-() That's all!
PS: I've also tried hanging the motor set under my working table with 4mm steel cable loop. The closed loop has embraced the crankshaft just UNDER the flywheel to be removed. Also effective method in case of problems with penetration of flat pieces under the flywheel. Bye, and choose the best!
I enjoyed your interesting message Adam and like your general idea of protecting the bearings by isolating the force of the hammer strikes to just the tapered areas by solid support of the flywheel and using the weight of the saw and gravity, but I don't think it actually helps, because it prevents vibrations that are beneficial in releasing the grip of the tapers plus I don't agree the bearings in this situation require the protection described so I think the method of less effort shown in the video of holding the saw in the air while protecting the threads is a much better choice.
@@JoeBlowski I've just imagined the balls making small dents in rings of crankshaft bearings at every stroke it that way!
@@adamasz54 I'm pretty sure that striking quite hard with a 2 pound steel sledge hammer is the most common method even by professionals and I never heard of bearing damage so I think your worry is totally unfounded. Bearings are extremely tough items and although I can't prove damaging them is impossible I'm pretty sure damage is in fact impossible, being a big hammer guy myself, but I could be all wrong.
I use a deadblow hammer