Belt Maintenance
Inspecting the Belts
Service Interval : Every 50 hours
Replace the belt if it is worn. The signs of a worn belt
include squealing while the belt is rotating; the blades
slipping while cutting grass; and frayed edges, burn
marks, and cracks on the belt.
Replacing the Mower Belt
1. Park the machine on a level surface, disengage
the blade-control switch (PT O), and engage the
parking brake.
2. Shut of f the engine, remove the key , and wait
for all moving parts to stop before leaving the
operating position.
3. Lower the mower to the 76 mm (3 inches) height
of cut.
4. Remove the belt covers ( Figure 75 ).
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Figure 75
5. Use a 3/8-inch ratchet in the square hole in the
idler arm to remove tension on the idler spring
( Figure 76 ).
6. Remove the belt from the mower-deck pulleys
and the clutch pulley .
7. Remove the belt guide on the spring-loaded
idler arm ( Figure 76 ).
8. Remove the existing belt.
9. Install the new belt around the mower pulleys
and the clutch pulley under the engine ( Figure
76 ).
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Figure 76
1. Spring 4. Spring-loaded idler
assembly
2. Clutch pulley
5. Ratchet
3. Mower belt
6. Square hole in the idler
arm for the ratchet
10. Install the belt guide on the idler arm ( Figure 76 ).
1 1. Using the 3/8-inch ratchet in the square hole,
install the idler spring ( Figure 76 ).
Note: Ensure that the spring ends are seated
in the anchor grooves.
12. Install the belt covers ( Figure 77 ).
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