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Belt Maintenance
Servicing the Engine-Drive
Belt
WARNING
Contacting a rotating belt can cause serious
injury or death.
Shut off the engine and remove the key before
working near belts.
Checking the Condition of the Belt
Service Interval: Every 250 hours
1.
Move the machine to a level surface, shut off
the engine, and remove the key.
2.
Open the front hood.
3.
Inspect the belt for cuts, cracks, loose cords,
grease, oil, twisting, or signs of abnormal wear
(Figure
110).
Note:
Replace the belt if it is excessively worn
or damaged.
Checking the Belt Tension
Service Interval: Every 800 hours
1.
Move the machine to a level surface, shut off
the engine, and remove the key.
2.
Open the front hood.
3.
Align a straight edge over the drive belt and
across the pulleys
4.
Push the belt down at the midway point between
the fan pulley and the alternator pulley as shown
in
Figure
110.
Note:
The range of belt deflection between the
straight edge and the belt should be 7 to 9 mm
(0.28 to 0.35 inches), under a load of 10 kg (22
lb).
5.
If the tension of the belt is above or below the
specified range, adjust the drive belt tension;
refer to
Adjusting the Tension of the Belt (page
90).
89
(Figure
110).
Figure 110
g220794
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