Question about Troy Bilt Tiller/Edger 26cc, Model No. 21at144r766

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The tines on my troy built Horse tiller do not grb when tilling. Are the gears in the drive shaft the problem? How do you fix this?

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  • gpecci2 Jun 17, 2009

    There is NO grinding sound when the tines are engaged. They turn easily, but just appear to slip when plunged into the ground. Can the gears be stripped and yet allow for turning of the tines when not in the ground? Thnaks for your help.

  • gpecci2 Jun 18, 2009

    You are right. I need to replace the belt, but I can't figure out how to remove the belt. Can you tell me how, please?

  • same463 May 11, 2010

    Is there a grinding sound when the tines try to catch? If so the gear box needs repaired or replaced. No noise? Is it belt or chain driven? Either could need replaced.

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Since there is no grinding noise, if the problem is in the gear box it isn't too severe. There is a slight possibility that a tooth or two has been broken off one of the gears. But it sounds more like you have a worn drive belt. Most of the time when the tines don't grab or they slip it is because the drive belt have become worn in some way. If it is suppose to be a one-half inch wide belt it could have thinned to a three-eight inch allowing the belt to drop further into the pulley than needed, or it may be "sloppy", not tightening enough to operate the tines if it has stretched. The right belt is very important and is an easy fix. I hope this helps.

Posted on Jun 18, 2009

  • same463 Jun 19, 2009

    First I need to know the model number of the tiller. Not the engine, but the tiller. It's easy to remove the belt, just cut it off with a knife.

    But do you already have your replacement belt or the number of the belt? I need to look at the specs of your model to see how it is reinstalled.

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When you try to engage the tines with the lever above the left hand rear side is there any noise if you do this with the motor running and the drive unit in gear? I need more info than you have given to suggest a proper repair.

Posted on Jun 17, 2009

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