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Belt Maintenance
Checking the Belts
Service Interval: Every 50 hours/Monthly (whichever
comes first)—Check the belts.
Check the belts for cracks, frayed edges, burn marks, wear,
signs of overheating, or any other damage. Replace any
damaged belts.
Replacing the Traction Drive
Belt
1. Remove the hairpin cotter securing the brake rod to
the brake arm to relax the tension on the belt idler
(Figure
40).
2. Remove the bottom bolt and loosen the top bolt of the
shield to rotate it for belt clearance
3. Lift the belt past the idler and off the drive pulley
(Figure
40).
4. Raise the wheel off the ground enough to remove the
belt.
5. Replace the traction-drive belt.
6. Secure the shield with the previously removed bolt and
tighten the bolts
(Figure
7. Secure the brake rod to the brake arm with the hairpin
cotter
(Figure
40).
Figure 40
1. Hairpin cotter
2. Brake rod
Replacing the Drive Belt
1. Disengage the blade-control (PTO) lever and set the
parking brakes.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Raise the rear of the machine and hold it up with jack
stands.
(Figure
40).
40).
3. Shield
4. Drive belt
4. Remove the mower belt
1. Idler pulley in slot
2. Traction belt
3. Mower belt
5. Loosen the pivot bolt enough to slide the idler pulley in
the slot, and remove the traction belt from the engine
and the drive pulleys
6. Install the new drive belt around the engine and the
drive pulleys
(Figure
7. Slide the idler pulley in the engine frame to tension the
traction belt
(Figure
8. Install the mower belt
9. Check the belt guide under the engine frame for the
proper adjustment
Note: The distance between the belt guide and mower
belt should be 19 mm (3/4 inch) when you engage
the mower belt. Adjust the belt if necessary. The
disengaged belt should not drag or fall off the pulley
when the guides are properly adjusted.
Replacing the Mower Belt
Important: The brake needs to be adjusted when the
belt tension or the brake linkage is adjusted.
1. Disengage the blade-control (PTO) lever and set the
parking brakes.
2. Stop the engine and wait for all moving parts to stop
before leaving the operating position.
3. Remove the knobs and the belt cover on the mower.
4. Remove the idler pulley and the worn belt.
5. Install the new mower belt.
6. Install the idler pulley.
7. Engage the blade-control (PTO) lever and check
the belt tension. Refer to
Tension (page
35).
33
(Figure
41).
Figure 41
4. Belt guide
5. 19 mm (3/4 inch)
6. Mower belt
(Figure
41).
41).
41).
(Figure
41).
(Figure
41).
Adjusting the Mower Belt
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