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FAN AND ALTERNATOR DRIVE BELTS
Visual check................................................................Every 10 hours or every day Check belt tension.........................................................................Every 250 hours
CD01K007
Tension check
IMPORTANT: If the engine runs with a belt slack, the belt can slip in its housing and cause the engine to overheat or the battery to receive insufficient charge.
Tension adjustment
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CS01M501 Loosen the mounting bolts (1). Use the adjustment screws (2) to move the alternator outwards until belt tension is correct. Tighten the alternator mounting bolts (1).
CS98M560 Press the center of the belt, exerting a pressure of about 10 kg. The belt deflection should be about 10 to 15 mm. NOTE: Check that the belts and pullies show no signs of damage or wear. Check that each belt is correctly seated in the pulley grooves. If one belt is stretched, cracked or frayed, replace the set of belts.
Fan and alternator drive belt (continued) Belt replacement
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CS01M501 Remove the mounting bolts (1). Use the adjustment screws (2) to push the alternator inwards. Remove the worn belts. Install the new belts. Adjust the belts. Tighten the mounting bolts (1). Run the engine for about an hour and then check the belt tension again.