Having problem with my riding lawn mower, it will not go in gear to go forward or backwards. I replaced the bad pulley and now the drive belt appears to need to be replaced. Need a diagram on replacing a drive belt (not the deck belt) for craftsman 917-276600.
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there are 2 drive belts that control the transmission. 1 is a variable speed drivebelt going from the engine back to the trans. it is the long one. the shorter belt drives the trans. off of the other variable speed belt. both belts are located under the mower and are not fun to get to. I would bet that one of these belts are slipping and grabbing, giving you the jerky ride. visually inspect for cracks or peeling, then check tensioning system for the belt to make sure they have the correct tension. less likely would be in the geardriven trans. it might act that way if some teeth of the gears inside are worn or broke. one other thing to check if all else looks good.... the variable belt drive pulley expands and contracts to change speed of the transmission input. I have seen these pulleys fail to operate correctly and this could also cause the ride to ****. hope some suggestions here help. R
Remove the center dust caps from the rear axles, start the tractor up
and put it in gear and observe the axles, if one of them is spinning
freely inside the wheel, you have lost the 1/4" square key that pins
the wheel to the axle. Replace the key and you can go back to mowing. Hope this helped Tim
either your drive belt has failed or your transmission has failed. make sure the drive belt is snug and not broken, do not do this while the engine is running. if the belt is good, then it is new transmission time. they cost more than a good used replacement mower.
the belt is smoking because a pulley isnt spinning like its supposed to. its gonna break the new belt if you don't remedy the problem. try taking the belt Back off. then see if you can spin the pulleys by hand with no belt .
Typically self-propelled mowers are propelled using the front wheels, which only turn forward. Pulling the mower back while the front wheels are turning will damage the drive gears. It's best to raise the front wheels slightly off the ground before pulling back.
Does it have gears or a hydrostatic (automatic) transmission?
If it's a gear model, sounds like a loose drive belt.
If it's hydrostatic, it could be a belt problem or a problem inside the transmission. If it's a tranmission problem, this is not good. Many of the transmissions on riding lawn mowers are not serviceable - they are just replaced.
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