Replacing Flywheel Key on Sears Mower

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  #1  
Old 01-12-02, 05:38 AM
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Thumbs up Replacing Flywheel Key on Sears Mower

I have a 1992 Sears Craftsman 4-cycle mower and I need to replace the flywheel key. To do this, I need to remove the flyweel, which I have not been able to do. Any suggestions?
 
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  #2  
Old 01-12-02, 08:50 AM
Fisher
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Post your model numbers so we know what you have.
Is it a push mower? What have you tried? Why do you need to
replace the key? The flywheel nut is off and the flywheel
will not lift off? Let us know.
Fish
 
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Old 01-12-02, 09:08 AM
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Replacing Flywheel Key on Sears Mower

thanks for the reply, Fischer. I have a Sears Craftman pushmower, model # 917.383271 (1992). I have removed the flywheel nut and tried to tap the flywheel softly with a rubber mallot to remove and it would not come off. I think the key is sheared due to hitting a metal pipe and needs to be replaced. I'm not sure if I need a special tool to remove the flywheel or if it twists off or what? Anyway, any advice that you have would be appreciated. Thanks.
 
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Old 01-12-02, 09:25 AM
Fisher
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When you replace the key, you may have a bent crankshaft to deal with, but since you have it down this far, lets remove the
flywheel.
Take the nut and thread it back on the crank until the crank
almost comes through the nut. Take a rope and tie down the
bail lever so that does not hinder the flywheel removal.
Get a buddy to help. While your buddy uses a large
screwdriver to lift under the flywheel, someone else needs
to put a piece of wood on the top of the crank and hit it with
a hammer, taking care not to damage anything, it should pop
off. If not, let me know. Key is to protect the threads.
Fish
 
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Old 01-13-02, 10:10 AM
Joe_F
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Are there three bolt holes on the flywheel? If they are, they are for a puller and a puller needs to be used to remove the flywheel.

917 is an American Yard Products made unit for Sears, so it likely has a Tecumseh engine. My old 1979 Craftsman had bolt holes for a puller.

As Fish said, why the need to remove the flywheel? What makes you think there is a problem there?
 
  #6  
Old 01-14-02, 01:10 AM
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Location: Riverdale, MD
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I help the guy up the street work on mowers. 10 to 1 if a pipe was hit, the flywheel key is sheared, or at the very least pushed enought to either make the thing run bad or not run at all. The crank may also be bent. Depends on the length of the shat below the motor. First thing is to replace the key and the balde and get it started. If it then does the macarena all over the driveway, then the crank is bent.
 
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Old 01-14-02, 04:46 PM
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ROFL .....macarena. You're quite right garywms!! That one made me laugh!
 
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