Belt Maintenance; Inspecting The Belts; Replacing The Mower Belt - Toro Z Master Commercial 3000 Series Operator's Manual

Belt Maintenance

Inspecting the Belts

Service Interval: Every 50 hours
Check the belts for squealing when the belt is rotating;
blades slipping when cutting grass; frayed belt edges;
burn marks; and cracks, which are signs of a worn
mower belt. Replace the mower belt if any of these
conditions occur.

Replacing the Mower Belt

1. Disengage the PTO, move the motion-control
levers to the N
EUTRAL
parking brake.
2. Shut off 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 inch) height
of cut.
4. Remove the belt covers
Figure 72
1. Push the tab down.
5. Use a ratchet in the square hole in the idler arm
to remove the tension on the idler spring
73).
6. Remove the belt from the mower-deck pulleys.
7. Remove the belt guide on the spring loaded idler
arm shown in Figure
8. Remove the existing belt.
9. Install the new belt around the mower pulleys
and the clutch pulley under the engine
73).
-L position, and set the
OCK
(Figure 72).
2. Remove the belt cover.
(Figure
73.
(Figure
1. Clutch pulley
2. Mower belt
3. Spring-loaded idler pulley
4. Ratchet
10. Install the belt guide on the idler arm shown in
Figure 73.
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11. Using the ratchet in the square hole, install the
idler spring
Make sure that the spring ends are seated in
the anchor grooves.
12. Install the belt covers
51
Figure 73
5. Square hole in the idler
arm for the ratchet
6. Idler grease fitting
7. Belt guide
(Figure 73).
(Figure 74).
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