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Can anyone tell me if Service Manual TM1763 will show how to shim the ring and pinion gear in the auger on a model 47 blower that has a serial number starting with 01471X04xxxx that I believe was manufactured in 1995 to fit on a 425.. My neighbor is having problems and it looks like the gear box on the auger has excessive clearance causing the ring and pinion to slip under load. The gears do not have any broken teeth, but there are a lot of fine metal shavings in the box.
This is the 47 box with the ring and pinion and not the worm gear. Cost of a new box is about $800.00 and the parts to replace the gears, bearings, etc. is about the same.
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