How to remove the big gear (flywheel?) off back of motor

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ShawnAgne
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How to remove the big gear (flywheel?) off back of motor

Postby ShawnAgne » Sun Oct 23, 2016 7:46 am

Have the engine pulled, everything off, last part is the fly wheel. Bolts won't come out easy and the crankshaft is spinning. So how do I block it so I can remove the fly wheel?

Thanks in advance.
Shawn Agne

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Re: How to remove the big gear (flywheel?) off back of motor

Postby Eugene » Sun Oct 23, 2016 8:41 am

Wood wedged in starter hole and in flywheel teeth.

Block of wood on top of piston. Reinstall head.

Wrench on bolt. Sharp blow on wrench with hammer.

Impact wrench, hold flywheel with one hand.
I have an excuse. CRS.

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John *.?-!.* cub owner
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Re: How to remove the big gear (flywheel?) off back of motor

Postby John *.?-!.* cub owner » Sun Oct 23, 2016 1:02 pm

Impact wrench is my preferred tool, and yes, they are tight. Once the bolts are out it will still be tight, requires a pry bar or similar behind it to pop it loose. All of that means it will pop loose suddenly, so be prepared to catch it (very heavy) or have something under it to soften the fall.
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Re: How to remove the big gear (flywheel?) off back of motor

Postby Bob McCarty » Sun Oct 23, 2016 1:56 pm

Check the teeth on the ring gear. If they are worn, now is the time to heat it up and reverse it.

Bob
"We don't need to think more,
we need to think differently."
-Albert Einstein

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John *.?-!.* cub owner
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Re: How to remove the big gear (flywheel?) off back of motor

Postby John *.?-!.* cub owner » Sun Oct 23, 2016 4:42 pm

Bob McCarty wrote:Check the teeth on the ring gear. If they are worn, now is the time to heat it up and reverse it.

Bob
worn turn it 1/4 revolution and remount it, since it only wears in 2 places. Another idea is to use a wheel in a 4 1/2 inch or so grinder to shape the leading edges to match the non worn teeth.
If you are not part of the solution,
you are part of the problem!!!


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