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James H. James H. is offline
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Default Craftsman push lawnmower wobble after hitting rocks won't start

On Mon, 5 Jul 2010 07:28:10 -0700, James H. wrote:
On Mon, 5 Jul 2010 04:16:38 -0700 (PDT), ransley wrote:

If you are lucky its a bent blade and sheared flywheel key,
its a Diy job with a flywheel puller


It's a Briggs & Stratten 6.5 HP 21" cut Craftsman part number 917.388853
push mower. I found the manual he
http://www.managemylife.com/mmh/lis_...M/L0505023.pdf
http://www.hammerwall.com/Download_Manual/14875/
http://tinyurl.com/32mzm2n

Interestingly, the owners manual says Sears doesn't recommend sharpening
the blade; I wonder why?

I checked the balance of the blade using the technique in the manual and it
seems to be balanced just fine (even though it's nicked up a bit).

This is the published procedure to check balance:

"NOTE: We do not recommend sharpening the blade - but if you do, be sure
the blade is balanced. To check blade balance, drive a nail into a beam or
wall. Leave about one inch of the straight nail exposed. Place center hole
of blade over the head of the nail. If blade is balanced, it should remain
in a horizontal position. If either end of the blade moves downward,
sharpen the heavy end until the blade is balanced."