1. Disconnect the spark plug. Park the tractor on a level surface and set the parking brake.
  2. Pull off the mower deck. Lower the mower deck to its lowest position.
  3. Remove the old blade drive belt.
  4. Install the new blade drive belt.
  5. Reinstall the mower deck.
  6. Reconnect the spark plug.

In this way, how do you tighten a belt on a riding lawn mower?

How to Tighten a Riding Lawnmower Belt

  1. Turn off the engine of your lawnmower and disconnect the spark plug wire as well.
  2. Locate the main frame tube on your lawnmower.
  3. Locate the belt, also known as the drive belt, inside the deck of your lawnmower.
  4. Tighten the belt of your lawnmower by shortening the location of the main frame inside the clamps.

Furthermore, how do I remove my MTD mower deck? Slide some even sized wood blocks under every corner of your MTD lawn tractor deck. Set the mower deck lever to the lowest setting; this will remove the tension in the springs holding the deck up. Grab the belt in the blade pulleys on the top of the mower deck. Slide the belt off of the pulleys.

Then, what is a deck belt?

The blade drive belt connects the engine pulley to the mower deck pulleys and spins the cutting blades. A worn blade belt won't spin the blades fast enough to cut the grass.

How many belts does a riding mower have?

Most mowers have at least two drive belts. There are two belts on most riding lawnmowers. One belt connects the transmission of the lawn tractor to the driveshaft pulley and the other belt connects the mower deck to the driveshaft pulley.

Related Question Answers

What is a drive belt on a riding lawn mower?

The ground drive belt connects the engine crankshaft to the transaxle pulley to drive the rear wheels. If the belt breaks, the lawn tractor won't move. If the belt is worn, the lawn tractor moves sluggishly because the belt slips on the pulley.

How do you measure a lawn mower belt?

How to Measure Lawn Mower Belts
  1. Lay the belt flat on a hard surface.
  2. Measure the belt by wrapping the cloth tape measure around the belt. For broken belts, simply measure the total length of the belt.
  3. Hold the cloth tape measure against the length or width of the belt depending upon which measurement you need.

What size belt do I need for a 42 inch deck?

There's no standard size for a 42inch-cut riding mower. Each model uses a different size belt. To give examples, some models use a drive belt that is ½ inch wide by 92 inches in length, while others use a belt ½ inch wide by 85 inches in length.

What size belt goes on a Craftsman 42 inch deck?


What size belt does a craftsman 42 inch deck?

AYP / Craftsman / Sears Deck Belt fits 42“, 46″ & 50” Decks built since 1995. Size: 1/2″ x 95-1/2″. Replaces part numbers 532144959 and 144959.

What is a primary mower belt?

The term “Primary Mower belt” implies that there would be a “Secondary Mower belt“, and that might be different depending on which mower deck the tractor has if there were multiple mower decks available for that model tractor.

Can you adjust the drive belt on a Craftsman riding mower?

When the blade drive belt on a Craftsman lawn mower wears, it loosens and begins to slip. In time the blades won't rotate. Blade drive belts on Craftsman lawn mowers are not designed to be be adjusted and there is no mechanism for adjusting them.

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

How to Tighten the Belt on a Poulan Riding Lawn Mower
  1. Roll the Poulan riding mower onto a flat surface.
  2. Lift the cover for the engine and remove the spark plug, using a socket wrench.
  3. Lower the mower deck.
  4. Push in on the idler pulley underneath the engine.
  5. Remove the bolt from the housing on the deck.
  6. Push in on the pulley on the deck belt and pull out on the belt.

Do lawn mowers have belts?

If any of these occur, stop the mower and check for signs of fraying and wear on the belt. While walk-behind mowers typically have only one belt that turns the blades, riding models have a drive belt that powers the transmission and a blade drive belt that turns the blades.

Why does my belt keep slipping off my lawn mower?

The drive belt may come off a riding mower because it is damaged or loose. Even when it does not fall off, such a belt poses dangers. When loose, the belt may slip, resulting in friction that, if it creates enough heat, can lead to a fire in the mower's engine.

Why does my deck belt keep breaking?

the most common cause of the deck belt breaking would be a idler or mandrel pulley not lined up properly or the bearings going out and making the pulley wobble or the belt is getting rubbed somewhere. check the pullies on the deck to make sure they turn freely and are not loose and wobbling around.

Why does my lawn mower blade keep coming loose?

If you don't have the key in the slot or the key is broken the blade will come loose. Some adapters have the key built into the adapter. I am with Rivets on this, damaged or faulty blade adapter installation, also the fly wheel key could be sheared causing the mower to kick back.

Can you tighten alternator belt too much?

Too-tight belt can cause car discomfort. If the belts are too tight, they can put a strain on the shaft (and its bearing) of the alternator, power-steering pump and even the water pump. Most belts are installed on the tight side because they take an initial stretch.

Where does the spring go on a mower deck?

the lift spring is the spring that attaches to the deck handle that lifts the deck up and down. i can see in the manual where to attach one side, but it does not give detail where to attach the small side. The lift assist spring will connect from the lever base connect point to the very rear of the tractor.

How do you tighten the belt on a old Snapper lawn mower?

Pull the riding mower front frame assembly forward by hand. Measure the belt spacing, pulling the front frame assembly forward until the belt spacing is 1 1/4 inches between the mower belt and belt idler pulley. Tighten the frame anchor bolts with a wrench when you achieve 1 1/4 inch spacing.

How do you adjust a tensioner pulley?

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.