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Old 01-18-2011, 02:46 PM   #1
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Toro 421 Snowblower transmission stopped engaging


I have a Toro 421 snowblower. (4 cycle - gas & oil separate) Was running fine. I disengaged the forward drive handle, the unit stopped, but would not start the forward movement again when I engaged the handle. Auger was not affected, just the drive forward and backward. Can anyone tell me where to start troubleshooting this?

Thanks for reading!
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Old 01-18-2011, 08:49 PM   #2
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Toro 421 Snowblower transmission stopped engaging


Broken drive belt?
You need to understand the drive system of your unit. Try downloading the service manual.
Ron
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Old 01-18-2011, 10:24 PM   #3
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Toro 421 Snowblower transmission stopped engaging


Quote:
Originally Posted by jmr4pyro View Post
I have a Toro 421 snowblower. (4 cycle - gas & oil separate) Was running fine. I disengaged the forward drive handle, the unit stopped, but would not start the forward movement again when I engaged the handle. Auger was not affected, just the drive forward and backward. Can anyone tell me where to start troubleshooting this?

Thanks for reading!
When you pull the drive lever, do you have tension? Or is it limp like it's not connected to anything? If that's the case, it could be anything from a broken spring to a broken connecting rod.

Ron is right, though. Most likely it's a drive belt. But - in addition to that - you need a fundamental understanding of how the drive system works. (Honestly, it's not that complicated.)


It's going to be VERY hard for any of us to diagnose it from a distance without more information.
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