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Brake Maintenance
Adjusting the Parking Brake
Service Interval: Every 200 hours—Check the parking brake
adjustment.
1. Loosen the set screw securing the knob to the parking
brake lever (Figure 58).
Figure 58
1. Parking brake lever
2. Knob
2. Rotate the knob until a force of 41–68 N-m (30–40 lb)
is required to actuate the lever.
3. Tighten the set screw after the adjustment has been
attained.
3. Set screw
Belt Maintenance
Servicing the Engine Belts
Service Interval: After the first 8 hours—Check the
condition and tension of all belts.
Every 200 hours—Check the condition and tension
of all belts.
Tensioning the Alternator/Fan Belt
1. Open the hood.
2. Check the tension by depressing the belt midway
between the alternator and crankshaft pulleys with 30
N-m (22 lb) of force. A new belt should deflect 8 to 12
mm (0.3 to 0.5 inch). A used belt should deflect 10 to
14 mm (0.4 to 0.55 inch). If the deflection is incorrect,
proceed to the next step. If correct, continue operation.
1. Alternator/fan belt
3. To adjust belt tension, complete the following:
A. Loosen the 2 alternator mounting bolts.
B. Using a bar, rotate the alternator until the proper
belt tension is attained, then tighten the mounting
bolts.
Replacing the Hydrostat Drive Belt
1. Insert a nut driver or small piece of tubing onto the
end of the belt tensioning spring.
WARNING
Use caution when de-tensioning the spring, as
it is under a heavy load.
2. Push down and forward on the spring end (Figure 60)
to unhook it from the bracket and release tension on
the spring.
44
Figure 59
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