Belt Maintenance; Checking The Condition Of The Belts; Adjusting The Self-Propel Drive-Belt Tension - Toro 23510 Operator's Manual

7. Install the expansion tank by first inserting the hose
into the tank. Place the tank opening over the O-ring,
and push down to ensure a proper seal. Install the
#10–32 x 1/2 inch self-tapping screw and torque it to
25 in-lb (2.8 N-m).
8. Fill the transaxle, at the oil fill port, until the oil level
is between 1/2 and 1-1/4 inches (between 13 and 32
mm) below the top of the fill port.
Note: Toro Premium Hydro Oil is recommended.
Mobil 1 15W-50 is an acceptable alternative.
9. Reinstall the oil-fill port fitting.

Belt Maintenance

Checking the Condition of the
Belts
Service Interval: Every 25 hours
1. Stop 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
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. Stop 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 25).
1
1. Belt
2. Pulley carriage
5. To tighten the belt, loosen the 4 mounting nuts and
bolts securing the pulley carriage to the frame, and
24
Adjusting the
24).
G021850
Figure 25
3. Nut