SHELL 3678981 - Caterpillar

12 V and 24 V Alternator
Illustration 1 g03346962
A typical alternator
Table 1
Callout Quantity Part Specification Description
1 - - Tighten terminal nut "W" to the following torque. 2 N m (17 lb in)
2 - - Tighten terminal nut "D+" to the following torque. 4.3 N m (38 lb in)
3 - - Tighten terminal nut "B+" to the following torque.
4.3 N m (38 lb in)
- - - Tighten the pulley nut (not shown) to the following torque.
80 N m (59 lb ft)
- - - Alignment of the alternator pulley to the crankshaft pulley 2.4 mm ( 0.0945 inch)
- - - Rotation (clockwise)
- - - Polarity (Negative earth) V-Belt
Note: The V-belt must be checked by a gauge. Refer to the Testing and Adjusting, "V-Belt-Test" for the correct type of gauge in order to check the V-belt.V-belt tension ... 535 N (120 lb)