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 replace old engine 
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MMT Member

Joined: Tue Dec 01, 2015 12:52 pm
Posts: 4
Post replace old engine
I am new to the forum but have been looking at some of the posts. I am going to replace the engine on a 16hp longtail. I have run into a problem getting the old motor shaft out of the universal. I have tried heating the coupling and liquid wrench with no luck. Two small engine repair shops will not try to remove the engine due to the trouble they had on prior projects. Any advice on how to break the engine shaft loose from the universal. Any help would be greatly appreciated.

Thanks


Tue Dec 01, 2015 12:59 pm
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MMT 1000 Club

Joined: Wed Jan 18, 2012 7:21 pm
Posts: 2207
Location: North Alabama
Post Re: replace old engine
use pb blaster and a gear puller, you can rent them at autozone.

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Sat Dec 12, 2015 6:57 pm
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MMT Pro Member

Joined: Sat Dec 11, 2010 6:25 am
Posts: 493
Location: SWGA
Post Re: replace old engine
The owners manual on GD's website walks you through it pretty good. As mentioned above, PB blaster helps as well. Sometimes you have to let it marinate in that stuff for a day to break free.


PDF p.24

http://www.godevil.com/documents/Go-Dev ... Manual.pdf


Sun Dec 13, 2015 8:02 am
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MMT Pro Member

Joined: Mon Jan 26, 2009 12:51 pm
Posts: 151
Post Re: replace old engine
GD uses an oversize key and they beat the crap out of it to put it on...so u have to do the same to get it off.
Use a big hammer and a 1/2-3/4 rod when u hit it
Unfortunately, there's no way to get a good angle.


Wed Dec 16, 2015 9:13 am
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MMT Pro Member

Joined: Fri Dec 25, 2009 7:09 pm
Posts: 102
Post Re: replace old engine
Put a block of wood against the motor and a pry bar against the u joint. Don't put an oversized key back in. Its probably a 1/4" key stock and I would tack weld the key to the u joint to keep it from coming out. I'm sure this is why GD puts oversized keys in the first place. Tack weld the key and use safety set screws with safety wire to keep them from backing out.


Mon Dec 21, 2015 11:40 am
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