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Belt Maintenance
Checking the Condition
and Tension of the Belts
Service Interval: Every 50 hours
1.
Shut off the engine, engage the parking brake,
wait for all moving parts to stop, and remove
the key.
2.
Check the auxiliary pump drive belt condition
and tension; the belt should be snug. Refer to
Adjusting the Auxiliary Pump Drive Belt (page
40).
3.
Check the condition of the transmission drive
belt.
Adjusting the Auxiliary
Pump Drive Belt
1.
Shut off the engine, engage the parking brake,
wait for all moving parts to stop, and remove
the key.
2.
Remove the top thumbscrew, loosen the side
thumbscrew, and remove the left hydraulic
compartment cover
Figure 48
1. Thumbscrews
3.
Loosen the 2 flange locknuts (3/8 inch) securing
the auxiliary pump to the mounting bracket
(Figure
49).
(Figure
48).
2. Hydraulic compartment
cover (left)
1. Auxiliary pump drive belt
2. Auxiliary pump
4.
Slide the pump outward
torque the flange locknuts to 37 to 45 N∙m (27
to 33 ft lb).
When properly adjusted, the belt should have
1/2 inch (1.3 cm) of deflection with 3 pounds of
force on the belt midway between the auxiliary
pump and engine pulley.
5.
Align the hole and slot in the left hydraulic
compartment cover with the supports of the
machine and secure the cover with the 2
thumbscrews
Checking the Transmission
Drive Belt Tension
Note:
No adjustments are required for belt tension.
1.
Shut off the engine, engage the parking brake,
wait for all moving parts to stop, and remove
the key.
2.
Install the new belt.
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3.
Ensure that the idler arm and pulley can move
freely.
40
Figure 49
3. Flange locknuts
(Figure
49) in slots and
(Figure
48).
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