Why does my drive 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.

Why does my belt keep coming off my Husqvarna riding mower?

Worn or wrong size belt. Bad or misaligned pulleys, bad tensioner pulleys are a common cause. Worn blades or spindles. Decks not mounted properly.

Why does the belt on my Cub Cadet keep coming off?

If the bearings in the pulleys fail at all, then the pulley will slip against the belt and cause belt wear. It also will throw the belt off if it freezes when it heats up. So check all the pulleys to make sure that they spin without ANY noise at all or vibrations.

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

Turn the adjustment bolt on the side, top or bottom of the pulley counterclockwise with the ratchet and socket until the accessory belt is loose enough to remove. Tighten the tensioner pulley by turning the adjustment bolt clockwise with the ratchet and socket until the belt is tight.

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How tight should riding mower belt be?

How tight should riding mower belt be? It should be tight but not TOO tight. You should start by tightening it as tight as an alternator belt. It actually takes a little practice to get the right measurement.

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.

Why does my belt keep coming off?

The serpentine belt need constant tension on the belt to keep it from coming off. If the belt alignment is not aligned then the belt may come off. … When this is out of adjustment or the tensioner pulley itself is loose this may cause the belt to come off as you describe.

Why does my deck belt keep coming off Cub Cadet ltx1050?

If an idler pulley is worn or the bearing is bad, this will cause the belt to come off. With the belt off, spin each idler pulley to see if it makes ANY NOISE. If it makes ANY NOISE AT ALL, then the bearing inside it is bad and it must be replaced.

What size belt goes on a Craftsman 42 inch deck?

174883. AYP / Craftsman / Sears Deck Drive Belt fits 42″ cut (2002-2003). Size: 5/8″ x 97″.

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