Question about Agri-Fab Agri - Fab Snow Blower - 42"

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826LE Power Max Snowthrower_ Drive belt keeps coming off

Help!!! I have replaced 2 drive belts and it keeps throwing belt off. The idler is OK as well as pulleys. I have adjusted according to manual but still throws belt. Anyone have any ideas. Thank you.


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  • Richard Doherty Sr Feb 04, 2009

    Hi: The model# is38620 serial # is 240000001. I called the dealer where I bought the 2 belts ,as well as snow blower in 2003,about problerm and they said there were fractional size belts, so I am assuming they may have sold me wrong belts. They do appear slightly larger in width. Anyhow they are picking it up tommorow. This snowblower was purchased in 2003 and has performed extremely well up to this point. I hope they can rectify problem but will probably eat cost of 2 belts. I will advise. Thank You


  • Richard Doherty Sr Feb 04, 2009

    Hi: I will definately rate it. Thank you again for your rapid response.


  • Richard Doherty Sr Feb 11, 2009

    Thank you for the info. The machine is at the dealer where I purchased and the mechanic called yesterday and comfirmed the info you have discovered,however according to him Toro has a part which will rectify problem. He and I am currently waiting for the part. I shall inform him of this service bullitin and keep you updated.

  • Richard Doherty Sr Mar 01, 2009

    Update: Received Snowbower from repair shop. Total cost was 215.97. They replaced traction sheave half,drive belt and hex trunion. Performs OK now. Thank you to all who responded.


    JERRY ABELL May 11, 2010

    your welcome!

    JERRY ABELL May 11, 2010

    well since thay are goint to repair machine hope it's right and don't cost too much,good luck,MrFixIt. could you rate this solution anyway please,thank you.

    JERRY ABELL May 11, 2010

    hello mr d, i need the mobel #and serial # of your toro 826 power max snowblower,toro will not let me look for the schematic on your drive belt or parts list.please let me know.



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Part # 94-8812 is traction belt 106-4498 auger belt
There is a service bulltin on this I have not seen this yet, Ill paste it for you to look at .
this was issued dec 22-2003 you would think that it would have shown up as a problem by now.

UNITS AFFECTED: Model Number(s): Serial Number(s):
38620 240000001-240999999
38621 (Int'l.) 240000001-240999999
38632 240000001-240999999
38635 (Int'l.) 240000001-240999999
38642 240000001-240999999
38645 (Int'l.) 240000001-240999999
38652 240000001-240999999
SUBJECT: Traction belt jumps off the pulley.
SITUATION: Incorrect pulley alignment causes the traction belt to jump off, usually when the drive is disengaged or as a hill is crested.
1. Remove the belt cover, engine belt guide and the bolt securing the crankshaft pulley.
2. Remove the auger brake assembly.
3. Remove the crankshaft pulley and the auger belt.
4. On the left side of the machine, remove the hair pin cotter from the speed control link and slide the link out of the pulley pivot assembly. The traction belt can now be removed.
5. Shorten the pulley half nearest the engine (PN 106-7334) shown in Fig 1. Grind or machine 1/8” (.125”/3.2mm). from the hub end of the pulley. The new finished length of the pulley half should be 1.07” (2.7cm).
6. Chamfer the bore to ensure the pulley fully contacts the shoulder on the crankshaft. You can send the pulley to an outside machine shop if you do not feel that you can modify the pulley in house.
7. Reinstall the pulley with a new traction belt.
A. Chamfer edge after grinding/machining.
B. Remove 1/8”.
C. Masking tape used as a reference line.
8. With the engine off, engage both the traction and auger levers and inspect the alignment of both the auger and traction belt idler pulleys (Fig. 2). Since we have moved the crankshaft pulley it may be necessary to bend the idler arms slightly to center the belts. Adjust as needed.
9. Install the engine belt guide and test operate.
10. Install the belt covers.

PARTS: P/N 94-8812 Traction Belt

Posted on Feb 10, 2009

  • dr1plain Feb 11, 2009

    This shold only be done by your toro dealer ,if this is the problem

    it may still may be under warranty



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There are also several videos on YouTube on changing snowthrowr belts. (Didn't see one for your blower, but most similar and should provide a good starting reference).

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