How to Replace a Cub Cadet Mower Deck Belt

As you might imagine, replacing a deck belt on a Cub Cadet riding mower can be a bit intimidating. This is because you will have to remove the deck of the mower before doing so.

If you are planning to change the deck belt on your Cub Cadet deck, you must remove the belt from the PTO pulley. Also, you must remove the lift arms, rod, and other parts attached to the deck. Replace the belt on the deck of the mower by sliding it out from under it. It is essential that the deck is slid under your mower. The deck should now be attached and the belt installed.

Deck belts are easy to replace. I will share the steps with you below.

A deck is made of several types, some of which are easy to work on, while others are not. Make sure the deck is free of any loose or damaged components, especially if your old belt was damaged. Be careful not to damage the new one in any way How to Replace a Cub Cadet Mower Deck Belt.

Generally, belts don’t require the removal of the mower deck. However, there are some mowers that require deck removal. You will save time by considering routing. Do not overload yourself. Be sure to take plenty of photos. This will save you time and headaches later.

How to Replace a Cub Cadet Mower Deck Belt

You must remove your mower deck in order to change your Cub Cadet belt on a riding mower. Place the parking brake on and the PTO in the off position before lowering the deck.

Cub Cadets with manual PTOs only:

• Disconnect the right and left idle pulley hardware.
• Take out the hex screw that holds the rod in place over the engine pulley and remove the rod.
• Unhook the spring from the PTO cable by removing the pin on the bracket that connects the cable to the deck.

To move the Deck Drive Pulley: Insert a ratchet wrench into the square hole of the idler bracket and turn to move the pulley forward.

Replacement of the entire deck belt on your Cub Cadet

Install Cub Cadet deck belt around PTO pulley after deck installation: Now that your mower deck has been installed, finish replacing the Cub Cadet deck belt by pulling it from the right side of the mower deck to the PTO pulley. Put the narrow side of the belt in the groove of the pulley.

You must pull the belt to the pulley and hold it there while rotating your pulley to the left in order to make it roll onto the pulley. The pulley should then roll into place.

To help route and secure the deck belt, use a drive ratchet to adjust the idler bracket to move the deck drive pulley.

The belt should ride snugly around all pulleys and not have any slack once it is placed. Grab the belt with your hand and rotate it to ensure it rides securely around all pulleys.

Here’s what you need to know. It looks like you just changed your Cub Cadet belt.

What type of deck do you have?

It is possible to set up a cutting deck in several ways, such as side discharge, rear discharge, mulching decks, out front decks, cutting, and sweeping.

A few of the features that may come with them include single-blade; twin-blade; tri-blade; tensioned belt; manual-tensioned belt; electromagnetic blade engagement; fan-assisted deck; timed overlapping blades, etc.

The deck drive belt is the only thing they have in common. In other words, it is the way engine power is transferred into cutting power.

Are you using a wooden deck? 

Several kinds of cutting decks can be set up, such as side discharge, rear discharge, mulching decks, front decks, and sweeping decks.

Some of their features may include single-blade; twin blades; tri-blade; tensioned belts; manual tensioned belts; electromagnetic blade engagement; fan-assisted deck; timed overlapping blades, etc.

Both have the same deck drive belt. Or, to put it another way, it is the method by which engine power is converted into cutting force.

How do you know if a Cub Cadet deck belt is faulty?

A worn-out Cub Cadet deck belt will squeal, leave a sloppy cut on your lawn, or make you lose control of your mower. See “How to Tell if Your Cub Cadet Mower Is Faulty” for more information.

How to stop your Cub Cadet belt from coming off

A defective belt is certainly one reason for your Cub Cadet belt to come off your lawn mower, but there are several other factors to take into account. The belt keepers may be damaged, the bearings may be failing, there may be debris in the pulleys, or other problems may be occurring on the deck.

To learn more about why your Cub Cadet belt keeps falling off or breaking, read my article, “Why Your Cub Cadet Belt Keeps Coming Off or Breaking”. The reasons for belt problems and how to solve them are discussed. 

Conclusion

You do not have to hire a technician that will charge you extra to fix your Cub Cadet lawn mower. We can do these fixes easily and in most cases, we will be able to get your mower back up and running again in no time. You should also check to see if there are any other common problems with the mower that you could fix. You can take the mower to the nearest service center for immediate repairs if the issue persists How to Replace a Cub Cadet Mower Deck Belt.