Honda HRB217HXA mower - back wheels drag when pulled back


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Old 04-03-12, 02:11 PM
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Honda HRB217HXA mower - back wheels drag when pulled back

My Honda Harmony HRB217HXA has been in the shop twice for this problem: When pulling the mower backwards the back wheels will lock up over 50% of the time. The first time the dealer said a cable was out of adjustment and that was not covered by warranty. The second time they said they would fix the problem and sold me two tires and a tuneup. When I picked it up the wheels still locked up. They wheeled it back into their shop and had it fixed in five minutes. It must be something simple and a common problem. Any ideas on how to fix the problem.
 
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Old 04-03-12, 04:33 PM
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If I recall correctly, behind the wheels you will find a ratcheting key that gets junk underneath it, keeping it from being able to get out of the way when you pull the wheels backwards. Take them out and clean them and the slot they fit in. Don't lose the springs!
 
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Old 04-04-12, 05:42 AM
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Thank you for your quick response. I will get under that thing and try to find those ratcheting keys.
 
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Old 04-11-12, 10:44 AM
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It might depend on the specifics of the transmission, but on older hydrostatic models, the ratcheting keys allow the mower to be pushed forward without turning the axle. When you pull the machine backwards, the axle should just rotate backward unless the transmission is engaged. So it could be a cable adjustment, missing disengage spring, or maybe just a clump of grass binding on the speed control lever on the transmission preventing it from being fully disengaged.
 
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Old 04-12-12, 07:24 AM
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I can't really see or get up into that area. Do you have to remove the transmission to have access? If so how does it come out?
 
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Old 04-12-12, 08:30 AM
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Here is a diagram of the rear wheel assemblies and here is the page where the image came from which includes the name/description of each part.

 
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Old 04-12-12, 09:53 AM
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Number 3 is the "key" part that sticks. #2 is the spring behind it, don't lose them! It's under the drive gear behind the wheel.
 
 

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