Newbie here so be patient


Old 03-25-07, 09:35 AM
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Join Date: Mar 2007
Posts: 2
Newbie here so be patient

especially if I'm in wrong forum.

I'm trying to remove the drive disk from a 12 hp Briggs and Stratton engine that powers an older Snapper rear engine mounted lawn mower. I have the engine off but can't remove the disk and pulley from the bottom of the drive shaft. I've removed the two set screws and driven out the key as far as I can but I'm still not getting anywhere. I don't see any 'c' clips or anything like that.

Somehow I've lost the valve retaining clips and have to get into the engine to fix.
Thanks to anyone with some help.
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Old 03-25-07, 03:59 PM
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Join Date: Nov 2002
Posts: 2,469
your trying to remove the pulley for the belt, and not the flywheel pulley, right?
do you have a puller? lots of wd40?
Old 03-25-07, 05:19 PM
Join Date: Dec 2006
Location: Central Indiana
Posts: 102
The two set screws and key are all that holds the disk in place. Spray shaft and pulley with good penatrating oil ( BP BLASTER ) and use 3 or 4 prong pulley puller to remove disc.
Old 03-27-07, 05:26 PM
Join Date: Mar 2007
Posts: 6
had one like urs

one of my engines had it rusted on... still figuring how to get it off, gonna try penetrating oil and grease next... is there any rust on it?
Old 03-31-07, 02:43 PM
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Join Date: Mar 2007
Posts: 2
Thanks for the help

I've got to go rent a puller. The rust isn't too bad. I had to cut the key, I think someone put one in too long. I'm still a little nervous about pulling the disk, it's aluminum, but I guess it's strong enough since it is the drive disk.

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