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

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. Remove the belt covers
Figure 74
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).
(Figure 74).
3. Insert slot into the tab
(Figure 77).
Figure 75 and Figure 77.
(Figure
1. Mower belt
2. Mower spindle pulley
3. Spring-loaded idler pulley
4. Belt guide at a 45 degree
angle
9. Install the belt guide on the spring-loaded idler
at a 45 degree angle as shown in
Figure 77. Torque the bolt to 37 to 45 N∙m (27
to 33 ft-lb).
10. Install the idler spring to the 2 posts
and Figure
11. For 72-inch mowers, adjust the belt tension,
refer to Belt Maintenance (page
12. Install the belt covers by sliding the cover into
the tab, install the bolts, and close the latches
(Figure 76).
g006541
54
Figure 75
5. Gearbox pulley
6. Idler spring
7. Idler plate (for 72-inch
mowers only)
Figure 75
77).
54).
g006479
and
(Figure 75