How to replace the mower drive belt, How to replace the motion drive belt, Service and adjustment – Sears 502.25502 User Manual

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SERVICE AND ADJUSTMENT

HOW TO REPLACE THE MOWER DRIVE BELT

Move the lift lever into the low cut position

Slide the mower drive belt between the stack pulley and the
belt guide Remove the mower drive belt from the stack
pulley

Pull the belt guide away from the idler puNey Remove the

belt from the idler pulley

While you push the belt guides away from the mandrel

pulley, remove the mower drive belt from the pulley

Install the new mower drive belt
NOTE: Replace the mower drive belt with a factory
replacement belt

Make sure the "V" side of the mower drive belt is against the

mandrel pulley Also make sure the mower drive belt is
not twisted

Pull the belt guide away from the idler pulley Put the mower

drive belt around the idler pulley Make sure the "V" side of

the mower drive belt is against the pulley Also make sure the
mower drive belt is not twisted

Make sure the mower drive bell is inside all the belt guides

WARNING: If the mower drive belt is outside of
a belt guide when the blade engagement control

lever is in the DISENGAGE position, the blade

can continue to rotate and damage the mower

drive belt. Before you operate the mower, make
sure the mower drive belt is inside ail the belt
guides,

Before you mow. check the blade engagement control lever

See the instructions on "How To Adjust The Blade Engage
ment Control Lever"

HOW TO REPLACE
THE MOTION DRIVE BELT

1 . Remove the mower housing See the instructions on "How

To Remove The Mower Housing"

2. Engage the parking brake
3

Disconnect the adjustable nut from the brake rod at the brake
arm Push the brake rod to the side of the unit

Try to push each belt guide away from the drive pulley so that

the motion drive belt can be pulled over the top of the drive
pulley If the belt guides do not provide enough clearance
use one wrench to hold the head of the belt guide on top of
the frame while you use another wrench to loosen the nut

under the frame for each belt guide

Remove the motion drive belt from the idler pulley Pull the

drive belt toward the front of the unit

Loosen the bait guide at the stack pulley Remove the motion

drive belt from the top pulley of the stack pulley Slide the

belt between the stack pulley and the belt guide Remove the

belt from the lower pulley

NOTE: Inspect the idler pulley, stack pulley and the drive

idler spring for damage. Replace if necessary.

Install the new motion drive belt on the top pulley of the stack

pulley

NOTE: Replace the motion drive belt with a factory

replacement belt.

8. Make sure the "V" side of the motion drive belt is against the

stack pulley

Put the motion drive belt around the idler pulley Make sure

the "V" side of the belt faces away from the idler pulley Also-
make sure the belt is not twisted

10. While you push the two belt guides away from the drive

pulley, install the motion drive belt on the drive pulley

F-92533

stack pulley

1 2 Before you use the unit, check the adjustment of the clutch

See "How To Check And Adjust The Clutch"

1 3 Assemble the adjustable nut to the brake rod at the brake

arm Make sure the brake is correctly adjusted See the
instructions on "How To Check And Adjust The Drive Brake"

14 Install the mower housing See the instructions on "How To

Install The Mower Housing"