Belt Maintenance; Inspecting The Belts; Replacing The Mower Belt - Toro Z Master Professional 7000 Series Operator's Manual

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

Side Discharge Machines
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. Park the machine on a level surface, disengage
the blade-control switch, 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. 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
5. Remove the belt covers
Figure 87
1. Belt cover
2. Latch
6. Remove the idler spring.
Releasing
42).
42).
(Figure 87).
g006541
3. Insert slot into the tab
7. Remove the belt guide on the spring-loaded
idler pulley shown in
8. Remove the existing belt.
9. Install the new belt around the mower pulleys
and the gearbox pulley under the engine
88).
1. Mower belt
2. Mower spindle pulley
3. Spring-loaded idler pulley
4. Belt guide at a 45 degree
angle
10. Install the belt guide on the spring-loaded idler
at a 45 degree angle as shown in
Torque the bolt to 37 to 45 N∙m (27 to 33 ft-lb).
11. Install the idler spring to the 2 posts
12. Install the belt covers by sliding the cover into
the tab, install the bolts, and close the latches
(Figure 89).
61
Figure 88.
Figure 88
5. Gearbox pulley
6. Idler spring
7. Idler plate (for 72-inch
mowers only)
Figure
(Figure
(Figure
g006479
88.
88).