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Glenn Killebrew

Clutch

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Glenn Killebrew

I have a 1986 Wheel horse model 21-12k803. I have adjusted the clutch rod to give more tension on the main drive belt and at first the tractor responded very well going up and downs hills. As a matter of fact I put the 8 speed trans inot high gear and it pulled a wheelie!! However now it will barely make it up a hill pulling an almost empty cart in low or high gear. Any ideas will be appreciated. :sad:

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JimD

I would check the belt first for signs of stretching or excessive wear. Could be time for a new one. Next look at the spring for the clutch pulley to see if it is weak or broken. Next I'd be sure to check the input pulley to make sure there is no slippage on the shaft that would indicate a broken key. Though this isn't the most likely thing to be wrong, it is a possibility. The serial number you gave comes back as a 312-8. Hope this is of some help.

 

Jim

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puddlejumper

Everything jim said in the order he gave it,But last check for sheared key in rear wheel hubs.

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Glenn Killebrew

I found the "no clutch culprit". The part in question for those interested was found on jacksmallengines.com and the part number was 105896-03 and the picture number was 18 which was the ARM-CLUTCH ROD roll pin broke thereby disabling the clutch to operate correctly, and as a consequence the tractor would barely move. My lawn tractor was down near my basement which has no driveway and I wanted to limp it back to my garage where all my tools were. In steps McGyver! Remember him on the TV series late 1980’s early 1990’s? I used a nail to substitute for the roll pin the tractor now jumps when I let off the clutch…obviously I have some more adjusting to do and a new roll pin. I bought the drive belt last year and I didn’t think that it had stretched beyond its working capability. Guys thanks for your help in pin (excuse the pun) pointing a problem which was vague to me.  :banana-tux:

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Glenn Killebrew

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Including a pic of the clutch arm with my substitute nail to limp my horse home to my garage. Will purchase a newroll pin tomorrow.  You can copy and paste this link to see a parts breakdown of the clutch arm and roll pin.   http://www.jackssmallengines.com/Jacks-Parts-Lookup/Model-Diagram/TORO/61340/4013

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Glenn Killebrew

OOPs! I guess three pictures are better than one. Once you ge to the website go to the second diagram headed clutch, brakd and speed control and scroll down and find part #18.Thanks to JimD and puddlejumper for there input.

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