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I have a walk behind rear wheel drive mower. it is a 2007 year model. The transmission has to be replaced. I disassembled the mower and have the parts on order. My issue is where the extension spring attaches. When I took the shrouds off the spring was just laying in the shroud. I think it connects to the transmission but am not sure about the other connection point. Can you help?

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  • grumpy58945 Mar 17, 2011

    The model number is 12AV835Q711. According to Troy Built parts site it is a 830 series. The part number for the spring is 732-0320. I hope this helps in your research.

  • grumpy58945 Mar 21, 2011

    Thank you. I just found your reply and am grateful to you. I ordered a transmission only to have the wrong one shipped. Seems that the number listed in the Troy Built exploded view was not the correct number. I had a local business research it and together we found the right transmission. Should have it this week.Thanks again for your assistance.

  • grumpy58945 Mar 21, 2011

    Thanks again.

  • grumpy58945 Mar 22, 2011

    Is the hole in the deck the same hole that the control cable goes in. I can not find any other place on the under side of the deck that this spring might go into.
    The control cable fits through a bracket on the transmission and the cable end goes into a slotted hole in the read of the deck. Is that where I put this spring?

  • grumpy58945 Mar 22, 2011

    This mower has a drive pulley on the crankshaft and a pulley on top of the Transmission. Those are the only pulleys on this mower. Both pulleys are mounted horizontally. The belt fits around the crankshaft pulley and around the transmission drive pulley. The cable seems to tighten the belt when the handle is pulled.
    As for the hole in the deck. There is a large hole that allows the control cable to go through the deck to the bracket on the transmission. The the cable continues to the only other hole in the deck. The cable has a lead slug on the end which fits through the hole and then anchors the cable. This hole is somewhat like a key hole one round part and then a slot.
    Is that where this spring attaches to the deck? I have been out and cleaned the under side and can find no other points to attach it. My other thought was that perhaps the spring attaches the the main shroud, that covers the belt.

  • grumpy58945 Mar 22, 2011

    Ok. However there is a factory made slot in the shroud that would be in about the right position for the spring to fit. I am going to continue to work on this ******. It was given to me on the agreement that if I fix it I can have it. Thanks for your time.



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SOURCE: Drive stopped working

There is an idler pulley inside the deck with a spring. The belt probably jumped of the idler which would result in the drive cable being slack. You can probably fix this yourself by re-routing the belt so that the idler with spring engages the belt. Depending on the condition of the belt you may have to losen all of the engine mount bolts so re-route the belt properly. I have had to take out all but ONE engine bolt (left loose) to install a belt.

If you need details on bolts / covers that need to be removed I need the whole model number to be of further asistance.

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Sounds like the rewind spring is broken in the recoil starter.

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>>You can View a Breakdown/IPL of the Mower at this Site Addy, and Select Start Parts Viewer. Now Enter the Model Numbers (20622) and Click Search. Now Select View Assembly Drawings for your Year Model.
Everything you Asked is at the Above Site Addy.
Parts can Also be Purchased from this Site Addy;
Please, Do Not Hesitate, If you Hit a Snag or this Does Not Correct the Problem, I am Here if You Require More Assistance.
Hope this Helps. Let me Know What Happens, Please. May the All Mighty Bless You and Yours. Be Safe and Be Happy. Thanks.

Good Luck


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