4
User’s Handbook, TSL 4186E, Issue 2 41
4012/16 Diesel
How to check and adjust the battery charging alternator (if fitted)
Caution: The toothed belt used to drive the alternator relies on tooth engagement to transmit the load. It does
not require pre-loading.
1 To inspect the drive belt remove the guard (A1).
2 Visually inspect the drive belt, checking that the drive teeth and the smooth outer face are undamaged.
3 Check belt tension using light finger pressure midway between the pulleys (A2). A deflection of 1,5 mm
(
1
/
16
”) is correct.
4 To adjust the belt tension slacken the pivot bolt (A3) and the tensioning arm bolts (A4). Set the belt tension,
then retighten all the bolts.
5 Refit the guard (A1).
Note: To replace the drive belt refer to Chapter 14 in the Workshop Manual.
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