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  #1  
Old 07-02-2015, 09:45 PM
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elshiv elshiv is offline
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Default Onan Teardown help

Hey Guys, Before anyone points it out.. yes I have been to the Tractor Forum article on "How to rebuild your Onan engine" Yes it's fantastic and very helpful. However I'm stuck in the teardown process at a spot before the Article starts. If anyone could offer some tips or guidance it would be appreciated. I have the Onan out of the tractor finally! I have all of the shrouding completely off. I removed the rear screen and exposed the flywheel. I was able to remove the bolt that holds the flywheel into the Crankshaft but the flywheel it's self will not budge. I am not sure what to do and I don't want to force anything for fear of breaking something. Am I missing something here? Is there some secret bolt or pin holding it in I am not seeing? Also the front PTO will not come off. I have 2 stripped bolts holding it to the engine block. I'm picking up some stripped bolt removal tools tomorrow. However, I can't get the bolt that holds it to the Crankshaft to break loose. Is this a reverse thread or something? Whats the best way to break this seal so i can get the front PTO off and the flywheel off?
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1980ish 982 w/ 3pt. & PTO /50C deck - a Work in progress. Brinly Moldboard Plow.

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  #2  
Old 07-02-2015, 09:50 PM
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you need a puller to remove the flywheel.
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  #3  
Old 07-02-2015, 09:55 PM
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Quote:
Originally Posted by dvogtvpe View Post
you need a puller to remove the flywheel.
Would something like this work?

http://www.amazon.com/636-Distributi...eel+puller+set
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1980ish 982 w/ 3pt. & PTO /50C deck - a Work in progress. Brinly Moldboard Plow.

I'm a complete noob at this so please take it easy on me.
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  #4  
Old 07-02-2015, 09:57 PM
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Also I know I will need a gear puller and that it has to be really heavy duty for this. are there any recommendations on a good affordable gear puller that will work for getting that timing gear off?
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1980ish 982 w/ 3pt. & PTO /50C deck - a Work in progress. Brinly Moldboard Plow.

I'm a complete noob at this so please take it easy on me.
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Old 07-02-2015, 10:29 PM
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You can't get the PTO bolt in the crank to come loose? Are you using an air wrench? Just curious, what do you mean stripped bolt removal tools?
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  #6  
Old 07-02-2015, 10:55 PM
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Quote:
Originally Posted by john hall View Post
You can't get the PTO bolt in the crank to come loose? Are you using an air wrench? Just curious, what do you mean stripped bolt removal tools?
don't own an Air Wrench.. looks like I need to purchase one. as for stripped bolt removers. I found these. I'm not sure they will work as the space to get in there is really tight.

http://www.amazon.com/Craftsman-Bolt...d+bolt+remover
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1980ish 982 w/ 3pt. & PTO /50C deck - a Work in progress. Brinly Moldboard Plow.

I'm a complete noob at this so please take it easy on me.
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