How to check the drive belt(s)
Renew a belt if it is worn or damaged. If twin belts are fitted, they must be renewed together.
o ensure maximum belt life, it is recommended that a belt tensioner gauge is used to check the belt tension. Fit the
gauge (A1) at the centre of the longest free length and check the tension. If a "Burroughs" gauge is used, the correct
tension is 355 N 36 kgf. If the tension is 220 N 22 kgf or below, adjust it to 355 N 36 kgf as indicated below:
If a gauge is not available, press down the belt with the thumb at the centre of the longest free length and check the
deflection (B). With moderate thumb pressure - 45N 4.5 kgf - the correct deflection of the belt is 10 mm.
If twin belts are fitted, check/adjust the tension on the tighter belt.
The adjustment of belt tension
1. Loosen the pivot fasteners (B1) of the alternator and the adjustment link fasteners (B2).
2. Change the position of the alternator to give the correct tension. Tighten the pivot fasteners of the alternator and
the adjustment link fasteners.
3. Check the belt tension again to ensure that it is still correct. If a new belt is fitted, the belt tension must be
checked again after the first 20 hours of operation.
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