Drive System Maintenance; Checking The Air Pressure In The Tires; Checking The Wheel Hub Nuts; Checking The Torque Of The Wheel Lug Nuts - Toro 29519 Operator's Manual

Drive System
Maintenance
Checking the Air Pressure
in the Tires
Service Interval: Every 50 hours
Note:
The semi-pneumatic caster tires do not need
to be inflated.
1. Shut off the engine, engage the parking brake,
remove the key, and wait for all moving parts to
stop before leaving the operating position.
2. Check the pressure of the drive tires.
3. Inflate the drive tires to 83 to 97 kPa (12 to 14
psi).
Checking the Wheel Hub
Nuts
Service Interval: Yearly
Torque the wheel hub nuts
N∙m (210 to 260 ft-lb).
Note:
Do not use anti-seize compound on the wheel
hub.
Figure 42
1. Lug nut
Checking the Torque of the
Wheel Lug Nuts
Service Interval: Yearly
Torque the wheel lug nuts
N∙m (90 to 95 ft-lb).
(Figure 42) to 285 to 350
2. Hub nut
(Figure 42) to 122 to 129
Adjusting the Caster Pivot
Bearings Pre-Load
Note:
If you disassemble the caster pivot bearings,
ensure that the spring-disc washers are installed as
shown in Figure
1. Remove dust cap from caster hub
1. Dust cap
2. Locknut
3. Spring-disc washers
2. Tighten the locknut clockwise until the
spring-disc washers are flat
3. Rotate the locknut counterclockwise 1/4 turn
(Figure 43).
4. Install the dust cap

Maintaining the Chain

Adjusting the Jackshaft
Drive-Chain Tension
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1. Shut off the engine, engage the parking brake,
remove the key, and wait for all moving parts to
stop before leaving the operating position.
2. Lift the rear of the machine and support it using
jack stands or equivalent support.
3. Check the chains on both sides of the machine
for proper tension.
Note:
The chains should move up and down 6
to 12 mm (1/4 to 1/2 inch).
4. At each side of the machine, loosen the 3 nuts
and bolts that secure the transmission mount
and tensioner plate, and the 2 nuts securing the
40
43.
Figure 43
4. Spindle
5. Caster hub
(Figure
(Figure 43).
(Figure 43).
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43).