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Hit & Miss Gas Engine Discussion Meet collectors of hit and miss engines, ask questions about collecting, restoring and showing antique flywheel engines.

Hit & Miss Gas Engine Discussion

Help, Stuck and Mangled Flywheel Key


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  #1  
Old 07-15-2019, 07:26:35 PM
Kvt Kvt is offline
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Default Help, Stuck and Mangled Flywheel Key

Ok, This is my first Hit and Miss overhale.
Have a New Sattley that Has a mangled and stuck flywheel key, When I got it did not look at the key, but now starting to take it apart to rebuild, found that the Key had been mangled when pull the last time, THen driven in and further mangled. What is the best way to get it out. There is a little bit of the bump left but it is not in good shape.

Have though about trying to drill on it but not sure if that would do anything.
Heat the flywheel to help loosen it but still have no way to get behind the head to get drive or pull it out.

Any suggestions on how to do it without messing up the crank or the flywheel.
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  #2  
Old 07-15-2019, 07:30:46 PM
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Gene Fisher Gene Fisher is offline
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Default Re: Help, Stuck and Mangled Flywheel Key

One way is to drill and thread the key insert bolt and use a slide hammer.
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Old 07-15-2019, 07:37:33 PM
dalmatiangirl61 dalmatiangirl61 is offline
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Default Re: Help, Stuck and Mangled Flywheel Key

Another option is cut the head off a bolt, weld that end of bolt to the key, then use threaded end of bolt to pull, PB a hammer and some choice wording seems to improve the odds of success.
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Old 07-15-2019, 07:42:45 PM
Dustin D Ehli Dustin D Ehli is offline
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Default Re: Help, Stuck and Mangled Flywheel Key

I agree, weld something to it that you attach slide hammer to
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Old 07-15-2019, 08:16:33 PM
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Default Re: Help, Stuck and Mangled Flywheel Key

Kvt,
Why does it have to be removed? If it is doing its job of securing flywheel I'd dress it up as much as possible & live with it. Always risky removing one so if you can avoid it you eliminate that risk.
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Old 07-15-2019, 08:41:49 PM
Kvt Kvt is offline
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Default Re: Help, Stuck and Mangled Flywheel Key

My welding/lack of it lately would prob wind up with it welded to the crank. and it would have to be an small bolt for the slide hammer or at least it looks like right now. Pb is already applied and soaking.
Will keep working at. My other thought was remove from the block with flywheel on and see if it could be driven out from the other side. But the timing gear is there so prob not able to get to it.

---------- Post added at 07:41:49 PM ---------- Previous post was at 07:17:57 PM ----------

Quote:
Originally Posted by Doug Kimball View Post
Kvt,
Why does it have to be removed? ... Always risky removing one so if you can avoid it you eliminate that risk.
Thought about that as well, but need to work on the bearings and a little slop on the side between the timing gear and the bearing area. Not real bad but since I was taking things apart to fix timing and replace some worn pars etc. Thought it would be a good idea to fix it up.
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Old 07-15-2019, 08:50:02 PM
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Default Re: Help, Stuck and Mangled Flywheel Key

I’ve drill the gib key tap andthreaded piece of all thread in with jam nut against key to hold an then found a piece of pipe that would slide over the crankshaft make sure the pipe is a couple of inches longer then the crank weld a larger nut or something that tha allthread will slide through then put a nut this end of allthread make sure the pipe is against flywheel also cut a slot in pipe for to key to side through. I hope this clear as mud
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Old 07-15-2019, 09:11:16 PM
dalmatiangirl61 dalmatiangirl61 is offline
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Default Re: Help, Stuck and Mangled Flywheel Key

See pics in post #10 here https://www.smokstak.com/forum/showt...fuller+johnson
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Old 07-16-2019, 07:02:39 PM
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Default Re: Help, Stuck and Mangled Flywheel Key

Thanks for the help all of you. Did get something to stick and managed to finally get it to slid out, Now where is the best place to get a new one.
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Old 07-16-2019, 07:27:51 PM
Frank DeWitt Frank DeWitt is online now
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Default Re: Help, Stuck and Mangled Flywheel Key

McMaster Carr
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Old 07-17-2019, 05:09:29 AM
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Default Re: Help, Stuck and Mangled Flywheel Key

McMaster Carr will amaze you with the variety of stock. Also, their service is very fast. Where I live, if I order early afternoon, I receive the next day by UPS ground.
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