Checking The Condition Of The Belts; Adjusting The Self-Propel Drive-Belt Tension - Toro 23508 Operator's Manual

Checking the Condition of
the Belts
Service Interval: Every 25 hours
1. Shut off the engine, wait for all moving parts to
stop, and remove the spark-plug wire. Engage
the parking brake.
2. Remove the belt cover from the left side of the
machine.
3. Check the belts for cracks, frayed edges, burn
marks, or any other damage.
4. If a belt is damaged, replace it.
5. Check the drive-belt tension; refer to
the Self-Propel Drive-Belt Tension (page
Adjusting the Self-Propel
Drive-Belt Tension
If the self-propel drive belt squeals during operation
(such as when moved from neutral to forward or
reverse), tighten the belt as follows:
1. Shut off the engine, wait for all moving parts to
stop, and remove the spark-plug wire.
2. Raise the cutting blades to the highest position.
3. Remove and retain the 4 bolts, lock washers,
and 2 spacers securing the belt cover to the left
side of the machine, and remove the cover.
4. Check the tension of the belt. It should not flex
more than a 6 mm (1/4 inch) with moderate
finger pressure applied to the span just above
the machine frame
Figure 26
1. Belt
2. Pulley carriage
5. To tighten the belt, loosen the 4 mounting
nuts and bolts securing the pulley carriage to
Adjusting
27).
(Figure 26).
3. Nut
the frame, and move the carriage to the left,
tightening the belt; then secure the 4 mounting
nuts and bolts
6. Install the belt cover using the hardware retained
in step 3.
g021850
27
(Figure 26).