MTD Yard Machines - Reverse, but no forward

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lxjenkins

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• Sep 4, 2019 / MTD Yard Machines - Reverse, but no forward

• #1

Recently change the lower drive belt on my MTD Yard Machines (13AN601H729). When I attempted to operate the mower, reverse works fine; however, forward won't engage unless I hold shift lever forward (see photos). I'm not entirely clear as to what I should be fixing as the difference between forward and no forward is merely some pressure to the shift lever.


Forward does not work



Forward works

 

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MowLife

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• Sep 5, 2019 / MTD Yard Machines - Reverse, but no forward

• #2

Both upper and lower belt should be replaced at the same time with the OEM belts. If one belt it worn more than the other then you get problems like that.

 

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lxjenkins

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• Sep 6, 2019 / MTD Yard Machines - Reverse, but no forward

• #3

MowLife said:

Both upper and lower belt should be replaced at the same time with the OEM belts. If one belt it worn more than the other then you get problems like that.

Click to expand...

I replaced both with OEM belts. Any other thoughts?

 

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bertsmobile1

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• Sep 6, 2019 / MTD Yard Machines - Reverse, but no forward

• #4

The forward & reverse is done with a sliding dog gear the shifts left right
In the following IPL it is shaft numbered # 32.
The shaft is moved by the shift lever # 4 which is supposed to transpose a front-back movement to a left -right movement.
If the spring # 26 is dislodged or missing the shift lever can not move the shift shaft far enough to move # 32 far enough to engage the F=R dog.
https://www.jackssmallengines.com/jacks-parts-lookup/manufacturer/bolens/yard-machines/13-lawn-tractors/2006-models/13an601h729-2006/drive