Toro 30672, Operator'S Manual

Page: 34 / 48

Belt Maintenance
Inspecting the Belts
Service Interval: Every 25 hours—Check the belts
for wear or cracks.
Replace the belt if it is worn. The signs of a worn belt
include squealing while the belt is rotating; the blades
slipping while cutting grass; and frayed edges, burn
marks, and cracks on the belt.
Replacing the
Traction-Drive Belt
Service Interval: Every 50 hours/Monthly
(whichever comes first)—Check the
traction-drive belt.
1. Park the machine on a level surface, disengage
the PTO, 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 hairpin cotter securing the brake
rod to the brake arm to relax the tension on the
belt idler (
Figure 37 ).
4. Remove the bottom bolt and loosen the top bolt
of the shield to rotate it for belt clearance (
Figure
37 ).
5. Lift the belt past the idler and off the drive pulley
(
Figure 37 ).
6. Raise the wheel off the ground enough to
remove the belt.
7. Replace the traction-drive belt.
8. Secure the shield with the previously removed
bolt and tighten the bolts (
Figure 37 ).
9. Secure the brake rod to the brake arm with the
hairpin cotter (
Figure 37 ).
g001474
Figure 37
1. Hairpin cotter
3. Shield
2. Brake rod 4. Drive belt
Replacing the Drive Belt
1. Park the machine on a level surface, disengage
the PTO, 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. Raise the rear of the machine and hold it up with
jack stands.
4. Remove the mower belt ( Figure 38 ).
g001475
Figure 38
1. Idler pulley in the slot 4. Belt guide
2. Traction belt 5. 19 mm (3/4 inch)
3. Mower belt 6. Traction belt
5. Loosen the pivot bolt enough to slide the idler
pulley in the slot, and remove the traction belt
from the engine and drive pulleys (
Figure 38 ).
6. Install the new drive belt around the engine and
drive pulleys (
Figure 38 ).
7. Slide the idler pulley in the engine frame to
tension the traction belt (
Figure 38 ).
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