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Bluextc89, Mechanic
Category: Small Engine
Satisfied Customers: 6556
Experience:  Golf Cart, Overhead Door, and Tractor repairs.
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Murray 22 snow thrower around 1997 - inside gear spins along

Customer Question

Murray 22" snow thrower around 1997 - inside gear spins along with the drive to outer auger. The outer auger does not move. Looks like the gear inside the box up-front is stripped. Thoughts?
Submitted: 6 years ago.
Category: Small Engine
Expert:  Bluextc89 replied 6 years ago.
Does your particular model have auger shear pins that have - sheared - ?
Look for 2 holes on either side of center that would allow shear pins to go into and couple with the drive shaft inside.
Customer: replied 6 years ago.
Shear pins are in tact. If you spin the inner auger the drive shaft moves but the outer drive shaft does not. It look like something inside the housings at the outer auger. Thoughts?
Expert:  Bluextc89 replied 6 years ago.
if the inner auger spins - and the outer one does not - and the shear pins are in place - the outboard transmission has cracked or stripped gears.
Inside the housing may bea a sheared off pin which holds the shaft to the gearing (you may get lucky)
But you will definately need to disassemble the transfer case to get a better look at your problem.

Here is a parts blowup (with part numbers) of the gear case to compare to what you find inside.

If there are more parts you need - CLICK HERE to see all the diagrams of your machine.

Many times the worm shaft will strip (#321) or the bronze worm gear (#315) will crack and jam up the auger.

More investigation will be required to determine the exact part(s) that failed.

Thanks fo rusing J.A.

Edited by Bluextc89 on 12/15/2009 at 3:24 PM EST

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