188 S450 Operation & Maintenance Manual
ALTERNATOR BELT
Belt Adjustment
Stop the engine and open the rear door.
Figure 266
The alternator is located behind the engine on the right
side of the loader [Figure 266].
Figure 267
Loosen the top alternator adjusting bolt (Item 1). Loosen
the bottom alternator mounting bolt (Item 2)
[Figure 267].
Move the alternator toward the front of the machine until
the belt has 8,0 mm (0.32 in) movement at the middle of
the belt span with 66 N (15 lb) of force applied.
Tighten the top alternator adjusting bolt and the bottom
alternator mounting bolt [Figure 267].
Close the rear door.
Belt Replacement
Stop the engine and open the rear door.
Figure 268
Loosen the top alternator adjusting bolt (Item 1). Loosen
the bottom alternator mounting bolt (Item 2)
[Figure 268].
Move the alternator toward the engine fully and remove
the belt from the pulleys.
Inspect the pulleys for wear.
Install new belt.
Move the alternator toward the front of the machine until
the belt has 8,0 mm (0.32 in) movement at the middle of
the belt span with 66 N (15 lb) of force applied.
Tighten the top alternator adjusting bolt and the bottom
alternator mounting bolt [Figure 268].
Close the rear door.
Start the engine and allow to operate for 10 minutes.
Stop the engine, open the rear door, and check belt
tension.
Adjust belt tension if necessary.
Close the rear door.
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