Murray 7018781BMYP Lawn Tractor Pulley

The Murray 7018781BMYP Lawn Tractor Pulley supports the deck belt and maintain efficient power transfer to the mower blades. A worn or damaged pulley can affect belt movement, blade speed, and overall deck operation.

Common problem indicators:

• Mower deck belt jumps off the pulley.

• Pulley makes rattling during blade operation.

• Uneven belt tracking across the deck.

• Blade speed decreases while mowing.

• Pulley surface shows excessive wear.

Mower Deck Belt Jumps Off the Pulley

Quick Check: Observe belt alignment while operating the mower deck slowly.

Fix Suggestion: Reposition the pulley to maintain proper belt alignment consistently.

Prevention Tip: Clear grass buildup from deck pulleys after each mowing.

Pulley Makes Rattling During Blade Operation

Quick Check: Listen for unusual noises while blades rotate at speed.

Fix Suggestion: Secure pulley mounting components to block unwanted vibration completely.

Prevention Tip: Inspect pulley fasteners regularly before operating the mower deck.

Uneven Belt Tracking Across the Deck

Quick Check: Watch the belt path throughout the complete pulley rotation.

Fix Suggestion: Correct pulley positioning to improve consistent belt movement accurately.

Prevention Tip: Remove debris preventing smooth belt travel around the pulleys.

Blade Speed Decreases While Mowing

Quick Check: Compare blade performance while cutting light and dense grass.

Fix Suggestion: Fit a matching pulley supporting efficient mower deck operation.

Prevention Tip: Inspect drive components routinely for signs of premature wear.

Customer Experience: One owner mentioned that the mower deck operated more evenly after addressing the worn pulley, with quieter belt movement and steadier blade rotation throughout routine mowing.