F-20 Fly wheel help

spencer13cat · Aug 16, 2008

I have attempted to remove the flywheel with every puller I own. I Bought eye bolts used for tool and die work and made three short chains to reach my cherry picker. I'm beginning to think I'm on candid camera. I have read some of the old threads on flywheels. Can someone enlighten me? There is a threaded insert I assume to be a key and should come out when I pull the flywheel. I am pushing against The end of the crankshaft.

Does anyone know how much force they have applied to get these things yanked???

Old-F20 · Aug 16, 2008

(quoted from post at 20:46:44 08/16/08) I have attempted to remove the flywheel with every puller I own. I Bought eye bolts used for tool and die work and made three short chains to reach my cherry picker. I'm beginning to think I'm on candid camera. I have read some of the old threads on flywheels. Can someone enlighten me? There is a threaded insert I assume to be a key and should come out when I pull the flywheel. I am pushing against The end of the crankshaft.

Does anyone know how much force they have applied to get these things yanked???

ive got a 10 ton botle jack setup in a puller and ive maxed it out before the flywheel pops off. the cranks are tapered and on ther with some good pressure

Anonymous-0 · Aug 17, 2008

I removed mine by using a piece of heavy steel channel iron and bolts. Make the channel long enough to rest on the flywheel housing. Drill holes lined up with the flywheel threaded holes. Thread the bolts through the holes in the channel into the flywheel and start tightening. It took a bit but my flywheel came off fairly easily with this method.

SproutW · Aug 17, 2008

A picture always helps me understand things better. I forget the size of the threaded rod buy your three holes in the flywheel are already threaded. Usually they pop free with this method but be sure to tighten all the nuts equally.

spencer13cat · Aug 18, 2008

For future reference to newbie's.............................I used a similar set up. I used channel iron drilled 2 holes in one 8 1/4" on center and 1 hole in the other identicle to yours. I bought 3 grade eight bolts. The bolts are 5/8"-11 x 6" adjust your length based on cross barr thickness. Be sure to engage several threads before you put any torque on the set up. I put anti-seize on the threads and the washers where the bolts heads contact to prevent heat build up. As the fly wheel pulls off I had to re-adjust adding shims. After the few few turns I could finish pulling by using two of the bolts alternated about a turn at a time. Threaded rod would illiminate this but it is nowhere near grade eight in strength. The flywheel ends up almost flush with the bell housing before it is free. Depending on where you do this be careful. the standard F-20 flywheel weighs exactly 100lbs. Not a guess, I weighed it.

F-20 Fly wheel help

spencer13cat

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Old-F20

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Anonymous-0

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SproutW

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spencer13cat

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