Walk behind self propelled problem

bebuzz69

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May 8, 2013
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I have a 10521 rear wheel drive. can you tell me where to find a diagram of the pinion gear and the rest, I tried the reg diagrams but they don't show which directions the dots on the pinion gears go. I tried both ways, it will free wheel withot it running, when I start it ,it mowes fine but I can't back up while it running.
 

impalass

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Mar 18, 2012
Threads
6
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269
I have a 10521 rear wheel drive. can you tell me where to find a diagram of the pinion gear and the rest, I tried the reg diagrams but they don't show which directions the dots on the pinion gears go. I tried both ways, it will free wheel withot it running, when I start it ,it mowes fine but I can't back up while it running.
You have a left and right rocking key # 11 in the schematic so make sure you have them in the right position. Another person had a similar problem and the dots doesn't make any difference. His problem was that the store gave him two keys for the same side.

https://lookup3.toro.com/Ill/1x/4/4616/7_126006.gif
 
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