Brake Maintenance; Adjusting The Parking Brake; Belt Maintenance; Inspecting The Belts - Toro Z Master Professional 7000 Series Operator's Manual

Brake Maintenance

Adjusting the Parking
Brake
Service Interval: Every 25 hours
Every 200 hours
1. Engage the parking brake.
2. Measure the length of the spring
Note:
The measurement should be 64 mm
(2-1/2 inches) between the washers.
3. If adjustment is necessary, disengage the
parking brake, loosen the jam nut below the
spring and adjust the nut directly below the
spring (Figure 73).
4. Turn the nut until the correct measurement is
obtained.
Note:
Turn the nut clockwise to shorten spring
length and turn counter-clockwise to lengthen
the spring.
5. Tighten the 2 nuts together.
6. Engage the parking brake and check the
measurement of the spring again.
7. If an adjustment is necessary, repeat the
procedures above.
8. Repeat on the opposite side of machine.
Figure 73
1. Brake lever in engaged
position
2. Spring—64 mm (2-1/2
inches)
(Figure 73).
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3. Adjusting nut and jam nut

Belt Maintenance

Inspecting the Belts

Service Interval: Every 100 hours
Check the belts for squealing when the belt is rotating,
blades slipping when cutting grass, frayed belt edges,
burn marks and cracks are signs of a worn mower
belt. Replace the mower belt if any of these conditions
are evident.

Replacing the Mower Belt

Squealing when the belt is rotating, blades slipping
when cutting grass, frayed belt edges, burn marks
and cracks are signs of a worn mower belt. Replace
the mower belt if any of these conditions are evident.
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. Remove the belt covers
1. Belt cover
2. Latch
4. For 72 inch mowers, loosen the idler plate bolts
holding the idler plate
5. Remove the idler spring.
6. Remove the belt guide on the spring-loaded
idler pulley shown in
7. Remove the existing belt.
8. Install the new belt around the mower pulleys
and the gearbox pulley under the engine
75).
55
EUTRAL
(Figure 74).
Figure 74
3. Insert slot into the tab
(Figure 77).
Figure 75 and Figure
-
LOCK
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77.
(Figure