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FAN AND ALTERNATOR DRIVE BELT
Visual check................................................................Every 10 hours or every day Check belt tension.........................................................................Every 250 hours
CD02A021
Tension check
IMPORTANT: If the engine runs with the 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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CS98M560 Use your finger to exert pressure of around 10 kg on the centre of the drive belt. The tension slack should be about 7 to 9 mm. NOTE: Check if there are any signs of wear damage to the pulleys or the belt. Check carefully to ensure that the belt is correctly positioned in the pulley grooves. If the belt is stretched, cracked or frayed, it must be replaced. 1
CS01M501 Remove 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).
Fan and alternator drive belt (continued) Replacing the drive belt
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CS01M501 Remove the mounting bolts (1). Use the adjustment screws (2) to push the alternator inwards. Remove the warn belt. Install a new belt. Adjust the belt tension. Tighten the mounting bolts (1). Run the engine for about an hour and then check the belt tension again.
