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Drive System
Maintenance
Checking the Drive Tire Air
Pressure
Service Interval: Every 50 hours
Note:
You do not adjust air pressure for the
semi-pneumatic caster tires.
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 air pressure of the drive tires.
3.
Adjust the air pressure in the drive tires to 152
to 165 kPa (22 to 24 psi).
Checking the Wheel Hub
Bolts
Service Interval: Yearly
Torque the wheel hub bolts
N∙m (27 to 33 ft-lb).
Note:
Do not use anti-seize compound on the wheel
hub.
Figure 41
1. Lug nut
Checking the Torque of the
Wheel Lug Nuts
Service Interval: Yearly
Torque the wheel lug nuts
N∙m (85 to 105 ft-lb).
(Figure
41) to 37 to 45
2. Hub bolt
(Figure
41) to 115 to 142
Checking the Condition of
the Chains
Service Interval: Before each use or daily
1.
Shut off the engine, engage the parking brake,
wait for all moving parts to stop, and remove
the key.
2.
Check the chains on both sides of the machine
for proper tension. The chains should be able to
move up and down 1/4 to 1/2 inch (6 to 12 mm).
3.
If chains pop or snap refer to
Wheel Chain Tension (page 37)
the Tine Drive Chain (page
Checking the Sprocket
Condition
Service Interval: Before each use or daily
1.
Shut off the engine, engage the parking brake,
wait for all moving parts to stop, and remove
the key.
2.
Inspect sprockets for wear and replace as
required.
Maintaining the Chain
Adjusting the Drive Wheel Chain
Tension
1.
Shut off the engine, engage the parking brake,
wait for all moving parts to stop, and remove
the key.
2.
Lift the rear of the machine and support using
jack stands or equivalent support.
3.
Check the chains on each side of the idler
sprocket, at both sides of the machine, for
proper tension.
The chains should move up and down 6 to 12
g249686
mm (1/4 to 1/2 inch).
4.
To adjust the chain tension, loosen the idler bolt
and locknut, and push up on the sprocket to
tighten the chain
Important:
Significant chain wear can occur and will
shorten the life of an overtightened chain.
37
Adjusting the Drive
and
47).
(Figure
42).
Do not overtighten the chain.
Adjusting
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