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. Measurement
should be 64 mm (2-1/2 inches) between the
washers (Figure
3. If adjustment is necessary, release the parking
brake, loosen the jam nut below the spring and
adjust the nut directly below the spring
59). Turn the nut until the correct measurement
is obtained. Turn the nut clockwise to shorten
spring length and turn counter-clockwise to
lengthen the spring.
4. Tighten the 2 nuts together.
5. Engage the parking brake. Check the
measurement of the spring again.
6. If adjustment is necessary, repeat the
procedures above.
7. Repeat on the opposite side of machine.
Figure 59
1. Brake lever in the
E position
NGAGED
2. Spring 64 mm (2-1/2
inches)
59).
(Figure
3. Adjusting nut and jam nut

Belt Maintenance

Inspecting the Belts

Service Interval: Every 100 hours—Inspect the belts
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 damaged belts.

Replacing the Mower Belt

Important:
The fasteners on the covers of this
machine are designed to remain on the cover
after removal. Loosen all of the fasteners on
each cover a few turns so that the cover is loose
but still attached, then go back and loosen them
until the cover comes free. This prevents you
from accidentally stripping the bolts free of the
retainers.
The signs of a worn mower belt are squealing while
the belt is rotating, blades slipping while you are
cutting grass, frayed belt edges, burn marks, and
cracks. Replace the mower belt if you detect any of
these signs.
1. Disengage the PTO, move the motion-control
levers to the N
parking brake.
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Loosen the bottom bolt holding the mower-deck
curtain to the mower deck. Refer to
the Mower-Deck Curtain (page
4. Remove the sheet metal guard. Refer to
Removing the Sheet-Metal Guard (page 32)
5. Remove the belt covers and the bolts attached
to them.
6. Loosen the fixed idler arm and adjust it to relieve
g001294
belt tension
7. Remove the old belt.
8. Install the new belt on the pulleys.
9. Insert a ratchet with a short extension or a
breaker bar into the square hole in the fixed idler
arm (Figure
10. Adjust the mower deck to the 76 mm (3 inch)
height-of-cut position.
11. To increase the belt tension, rotate the ratchet or
breaker bar counterclockwise to move the fixed
idler arm until there is 16.5 cm (6-1/2 inches)
between the spring hooks
49
for cracks and wear.
- position, and set the
EUTRAL LOCK
32).
(Figure 60).
60).
(Figure 60).
Releasing