SkyTrak 3606 Operation Manual - Manual (Page 128)

126 3606 Rev 11/99
General Maintenance
A. Engine Fan Belt Check
(1000 Hour Intervals)
1. Ground the carriage, place the travel select lever in (N) NEUTRAL,
engage the parking brake switch and shut off the engine.
2. Unlatch, unlock and open the engine cover.
3. Inspect the fan belt. Replace if cracked or frayed.
4. Check the belt tension midway between the crankshaft and alterna-
tor pulleys (Figure 82). Deflection should be 1/4 to 3/8 inch (6,4 to
9,4 mm) with an applied force of 13 to 15 lbs (6 to 7 Kg).
Figure 82
5. If the belt needs adjustment, loosen both alternator mounting bolts
and carefully pry the alternator to tighten the belt. DO NOT over-
tighten. Retighten mounting bolts.
6. Recheck the belt deflection.
7. Close, latch and lock the engine cover.
7. Engine Fan Belt
PERKINS ENGINE:
OS0880
OA0362
1/4 to 3/8 inch
Deflection
(6,4 to 9,4 mm)
Fan
Pulley
Crankshaft
Pulley
Alternator
Pulley
126 3606 Rev 11/99
General Maintenance
A. Engine Fan Belt Check
(1000 Hour Intervals)
1. Ground the carriage, place the travel select lever in (N) NEUTRAL,
engage the parking brake switch and shut off the engine.
2. Unlatch, unlock and open the engine cover.
3. Inspect the fan belt. Replace if cracked or frayed.
4. Check the belt tension midway between the crankshaft and alterna-
tor pulleys (Figure 82). Deflection should be 1/4 to 3/8 inch (6,4 to
9,4 mm) with an applied force of 13 to 15 lbs (6 to 7 Kg).
Figure 82
5. If the belt needs adjustment, loosen both alternator mounting bolts
and carefully pry the alternator to tighten the belt. DO NOT over-
tighten. Retighten mounting bolts.
6. Recheck the belt deflection.
7. Close, latch and lock the engine cover.
7. Engine Fan Belt
PERKINS ENGINE:
OS0880
OA0362
1/4 to 3/8 inch
Deflection
(6,4 to 9,4 mm)
Fan
Pulley
Crankshaft
Pulley
Alternator
Pulley