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Home Repair - - If it ain't broken, don't fix it. Otherwise look here.
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Posted by Pavel314 on September 27, 2008, 7:20 am
I have a two year old Sears Craftsman lawn tractor with the 42" mowing deck.
It works well with one annoying exception. Almost every time I want to mow,
the drive belt has slipped off of the power take off pulley and is hanging
slightly below it. I have to get off the tractor and reach underneath to fit
the belt back on the pulley. The belt is properly set in that little J-hook
guide thing hanging down on the right side of the PTO pulley. Sometimes it
takes two or three attempts because the belt falls off when I start the
tractor.
Once it engages, it's fine. No slippage, cuts the grass without problems. I
can stop the tractor, disengage the mower drive, and restart with no more
problems. I've replaced the belt with the size recommended in the user
manual but the same thing happens.
Any ideas of why this would be happening?
Paul
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Posted by Dimitrios Paskoudniakis on September 27, 2008, 8:41 am
>I have a two year old Sears Craftsman lawn tractor with the 42" mowing
>deck. It works well with one annoying exception. Almost every time I want
>to mow, the drive belt has slipped off of the power take off pulley and is
>hanging slightly below it. I have to get off the tractor and reach
>underneath to fit the belt back on the pulley. The belt is properly set in
>that little J-hook guide thing hanging down on the right side of the PTO
>pulley. Sometimes it takes two or three attempts because the belt falls off
>when I start the tractor.
> Once it engages, it's fine. No slippage, cuts the grass without problems.
> I can stop the tractor, disengage the mower drive, and restart with no
> more problems. I've replaced the belt with the size recommended in the
> user manual but the same thing happens.
> Any ideas of why this would be happening?
> Paul
Is it possible that the belt tension rod is not in its locked position? If
it is locked, there may be some adjustments to the spring arm or idler arm
under the pulleys to pull them just slightly further apart to increase the
belt tension just slightly enough to stop it from slipping.
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Posted by Blattus Slafaly on September 27, 2008, 10:03 am
Pavel314 wrote:
> I have a two year old Sears Craftsman lawn tractor with the 42" mowing deck.
> It works well with one annoying exception. Almost every time I want to mow,
> the drive belt has slipped off of the power take off pulley and is hanging
> slightly below it. I have to get off the tractor and reach underneath to fit
> the belt back on the pulley. The belt is properly set in that little J-hook
> guide thing hanging down on the right side of the PTO pulley. Sometimes it
> takes two or three attempts because the belt falls off when I start the
> tractor.
>
> Once it engages, it's fine. No slippage, cuts the grass without problems. I
> can stop the tractor, disengage the mower drive, and restart with no more
> problems. I've replaced the belt with the size recommended in the user
> manual but the same thing happens.
>
> Any ideas of why this would be happening?
>
> Paul
>
>
Just take up the idler a little to keep it from falling off or get a new
belt. They do stretch while still working.
--
Blattus Slafaly ? 3 :) 7/8
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Posted by Chris on September 27, 2008, 10:43 pm
Pavel314 wrote:
> I have a two year old Sears Craftsman lawn tractor with the 42" mowing deck.
> It works well with one annoying exception. Almost every time I want to mow,
> the drive belt has slipped off of the power take off pulley and is hanging
> slightly below it.
I had the same model for 5 years now and the belt never slipped off
unless it was caught in a twig. Something is bent or out of alignment,
IMO. If you have a way of lifting the mower it should be easy to see
what's wrong. Take precautions, that thing is too heavy to be careless
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>deck. It works well with one annoying exception. Almost every time I want
>to mow, the drive belt has slipped off of the power take off pulley and is
>hanging slightly below it. I have to get off the tractor and reach
>underneath to fit the belt back on the pulley. The belt is properly set in
>that little J-hook guide thing hanging down on the right side of the PTO
>pulley. Sometimes it takes two or three attempts because the belt falls off
>when I start the tractor.
> Once it engages, it's fine. No slippage, cuts the grass without problems.
> I can stop the tractor, disengage the mower drive, and restart with no
> more problems. I've replaced the belt with the size recommended in the
> user manual but the same thing happens.
> Any ideas of why this would be happening?
> Paul