Belt Maintenance
Servicing the 12 V
Alternator Belt
Service Interval:
After the first 50 hours
Every 250 hours
Refer to the engine owner's manual (included with the
machine) for the servicing procedure.
Servicing the 24 V
Alternator Belt and AC
Compressor Belt
Service Interval:
After the first 10 hours
Every 1,000 hours
The AC compressor and 24 V alternator belt uses a
spring-loaded tensioner that is pre-set at the factory.
Refer to the
Toro Service Manual
for the servicing
procedure.
Replacing the Blade-Drive
Belts
Service Interval:
Every 50 hours—Inspect the
blade-drive belts.
Every 1,000 hours—Replace the blade-drive
belts.
The blade-drive belt, tensioned by the spring-loaded
idler pulley, is very durable. However, after many
hours of use, the belt will show signs of wear. Signs
of a worn belt are squealing when the belt is rotating,
blades slipping when cutting grass, frayed edges,
burn marks, and cracks. Replace the belt if any of
these signs occur.
Replacing the Front Cutting-Unit
Belts
1.
Lower the cutting unit to the floor.
2.
Remove the belt covers from the top of the
cutting unit and set the covers aside.
3.
On the front deck, center position, loosen the
jam nuts on the idler pulley stop screw and
thread the stop screw into the bracket (
g009014
Figure 124
1.
Idler pulley
3.
2.5 mm to 4 mm (0.10 to
0.16 inch)
2.
Idler stop screw
4.
Using a ratchet wrench or similar tool, move
each wing-deck idler pulley away from the drive
belt to release the belt tension and allow the belt
to slip off the wing-deck pulley (
5.
Remove the bolts securing the hydraulic motor
to the cutting unit (
).
g031805
Figure 125
1.
Mounting bolts
2.
Hydraulic motor
6.
Lift the motor off the cutting unit and lay it on top
of the cutting unit.
7.
Remove the old belt from around the spindle
pulleys and idler pulley.
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