How do you tighten the belt on a Craftsman riding lawn mower?

Push the belt keepers on the transaxle pulley down and slide the belt over the transaxle pulley. Pull the slack from the back of the tractor (transaxle pulley) and slide the belt on to the stationary and clutch idlers. This will increase the tension in the belt and hold it in place.

Why does the belt keep coming off my riding mower?

The drive belt may come off a riding mower because it is damaged or loose. … If broken or worn, the belt can break while the engine runs, and it can fly off at a great velocity, which is highly dangerous. Check the belt for looseness, cracks, fraying or separation from the rest of the assembly, and replace if necessary.

Can a lawn mower belt stretch?

Yes, lawnmower belts can stretch. … When it stretches more than it should, it can result in the drive belts lose grip on the pulley system. When that happens, the efficiency of mowers takes a dip.

When should I replace my riding mower belt?

There’s no definite amount of time that a mower belt is supposed to last, but increased mower use shortens the interval in which a belt needs replacement. Simply put, more use equals more wear. Additionally, faulty belts or mechanical failures like a seized pulley can make lawn mower belts break prematurely.

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Why is my lawn mower belt smoking?

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Once a belt has smoked it is on borrowed time. It is smoking because it is running against something that does not revolve with the belt. Usual problem is running the belt on the outside of a belt keeper. Some of them are very hard to see like the one at the back of the tranny.

What type of belt Cannot have its tension adjusted?

There are a few different ways to adjust the drive belt or V-belt tension in a vehicle. The most popular used nowadays is a serpentine belt that connects to and activates every pulley in the engine. These serpentine belts require no tension adjustment as they incorporate an automatic belt tensioner.

How tight should belts be?

The required measure of tension in the serpentine belt is that it should not deflect more than ½ inch when twisted either way from the middle. If twisted more, the belt is loose, and if twisted less, the belt is too tight. Either of the positions does not work for the vehicle.

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