General maintenance – SkyTrak 3606 Operation Manual User Manual
Page 129
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General Maintenance
3606 Rev 11/99
127
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. This engine is equipped with an automatic belt tensioner. Inspect
the tensioner bearing. Spin the bearing and check for rough spots
under hand pressure.
5. Spin the fan and check for wobble or excessive play. Maximum play
should be .006 inch (0,15 mm).
6. To install the fan belt, first position the belt over the grooved pulleys
and then, while holding up the tensioner (with a 1/2” square drive
placed into the square hole), slide the belt over the water pump pul-
ley.
7. Close, latch and lock the engine cover.
Figure 83
CUMMINS ENGINE:
OS0771
Automatic
Belt Tensioner
Alternator
Pulley
Water Pump Pulley
Fan Pulley
Crankshaft
Pulley
Square Hole
General Maintenance
3606 Rev 11/99
127
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. This engine is equipped with an automatic belt tensioner. Inspect
the tensioner bearing. Spin the bearing and check for rough spots
under hand pressure.
5. Spin the fan and check for wobble or excessive play. Maximum play
should be .006 inch (0,15 mm).
6. To install the fan belt, first position the belt over the grooved pulleys
and then, while holding up the tensioner (with a 1/2” square drive
placed into the square hole), slide the belt over the water pump pul-
ley.
7. Close, latch and lock the engine cover.
Figure 83
CUMMINS ENGINE:
OS0771
Automatic
Belt Tensioner
Alternator
Pulley
Water Pump Pulley
Fan Pulley
Crankshaft
Pulley
Square Hole