The deck belt on your Cub Cadet Ultima will wear over time and cause greater damage to your machine if not replaced in a timely manner. Our guide will show you how to perform a mower deck belt replacement on your Cub Cadet Ultima zero turn rider.
Before performing any maintenance on your Cub Cadet machine, refer to your operator’s manual. It lists required maintenance, safety information, and instructions for your machine. Maintenance instructions vary by model, so depending on your model our instructions may vary slightly.
Prepare your Cub Cadet Ultima zero turn rider for maintenance. Begin by parking your mower on a flat, level surface. Turn the engine off and allow it to cool, remove the ignition key, disconnect the spark plug ignition wire to prevent accidental starting, and engage the parking brake.
To change the deck belt, set your mower’s deck height to the lowest setting and remove both belt covers. Use a 3/8-inch socket or wrench to remove the belt covers from the mower deck. Remove all 6 screws, and then remove the access panel. Use a ½-inch socket or the panel access tool included with Ultima models to remove the bolt from the panel.
Next, remove the belt from the spindle pulleys. Use a 9/16-inch socket or wrench to pull the idler pulley arm back to release the belt tension. Remove the belt from the idler pulleys and PTO clutch. Use both a 9/16-inch socket and wrench to loosen, but do not remove, the idler pulley bolts. Install the replacement belt. Route the belt around the PTO clutch. Route the belt through the idler pulleys. Use both a 9/16-inch socket and wrench to tighten both idler pulley bolts.
Route the belt around the spindle pulleys. Use the 9/16-inch socket or wrench to release the tension and finish routing the belt. Reinstall both belt covers and the access panel and bolt. Lastly, reconnect your spark plug wires and start your mower.
The hard work your Cub Cadet is exposed to requires regular maintenance to ensure reliable performance. Staying on top of maintenance and repairs will extend the life of your Cub Cadet Ultima zero turn rider.
Use our illustrated parts diagrams to locate any replacement parts you may need for maintenance for your Cub Cadet Ultima zero turn rider.
You May Also Enjoy These Articles:
Buyer’s Guide to Cub Cadet Ultima Series Zero Turn Riders
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How to Change the Engine Oil in a Lawn Mower
Engine Maintenance Tips for Zero Turn Riders
How to Change the Deck Belt on a Riding Lawn Mower
Why Weingartz?
Weingartz, family owned and operated, began in 1945 as a farm supply store for local Michigan families. In the 1970s, we began to focus exclusively on outdoor power equipment. Over time, we morphed into the “power equipment superstore” that now defines all of our locations. The staff and experts at Weingartz work diligently to provide the best service possible and give honest and helpful advice to each and every customer.
Weingartz also sells parts for all outdoor power equipment at https://weingartz.com/parts-lookup.
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