Belt Maintenance; Inspecting The Belts; Replacing The Mower Belt - Toro Z Master Professional 5000 Series Operator's Manual

Figure 78
Left Side Shown
1. L-bracket
2. Linkage stop
3. Gap
9. Disengage the parking brake, the lever should
be in the down position.
10. Turn the wheel hub by hand in both directions
relative to the caliper; the wheel hub should
move freely between the caliper.
11. If a gap is needed or the wheel hub does not
move freely:
A. Disengage the parking brake.
B. Disconnect and fine-tune the rear linkage
assembly:
•
Shorten the link to create a gap.
•
Lengthen the link to allow wheel hub
movement.
C. Connect the rear linkage assembly.
12. Engage the parking brake and check the gap.
13. Repeat steps 9 through
achieved and the wheel hub rotates freely.
14. Repeat this procedure for the brake on the
opposite side.
15. Rotate the drive-wheel release handle to
the operating position; refer to
Drive-Wheel-Release Valves (page
16. Install the rear tires and torque the lug nuts; refer
to Checking the Wheel-Lug Nuts (page
17. Remove the jack stands.
g026961
4. Rear linkage assembly
5. Caliper
6. Wheel hub
13 until a visible gap is
Using the
30).
50).

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 blade-control switch (PTO), move
the motion-control levers to the N
position, and engage the 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
1. Push the tab down
5. Use a ratchet in the square hole in the idler arm
to remove tension on the idler spring
6. Remove the belt from the mower-deck pulleys.
7. Remove the belt guide on the spring-loaded
idler arm (Figure
8. Remove the existing belt.
9. Install the new belt around the mower pulleys
and the clutch pulley under the engine
80).
55
EUTRAL
(Figure 79).
Figure 79
2. Remove the belt cover
(Figure
80).
-
LOCK
g027729
80).
(Figure