Operation CHARM: Car repair manuals for everyone.

Alternator: Service and Repair



- Disconnect the battery earth lead.

- Remove the air pump for access (where fitted).

- Remove the support bracket to water pump securing bolts.

- Displace and remove the bracket.





- Loosen the generator link arm adjusting nut (1 Fig. 1).

- Remove the generator link arm trunnion securing bolt (2 Fig. 1).

- Undo and remove adjusting rod to water pump securing nut.

- From beneath the vehicle:

• Remove the link arm pivot bolt and pivot the generator towards the engine.

• Remove the adjusting rod and trunnion assembly from the water pump.

• Remove the pivot bolt (3 Fig. 1).

• Displace the generator from its mounting bracket and remove the spacer.

• Remove the generator main terminal securing nut.





• Disconnect the positive terminal (1 Fig. 2).

• Disconnect the generator multi-plug (2 Fig. 2).

• Remove the generator.

- Fit a new generator to position.

- Connect the generator multi-plug.

- Connect the positive terminal.

- Fit and torque tighten the generator main terminal securing nut.

- Refit the generator to its mounting bracket and refit the spacer.

- Refit the pivot bolt.

- Refit the adjusting rod and the trunnion assembly to the water pump.

- Refit the link arm pivot bolt and pivot the generator away from the engine.

- Refit the adjusting rod to water pump securing nut.

- Refit the generator link arm trunnion securing bolt.

- Fit and align the support bracket to the water pump, fit and tighten the support bracket bolts.

- Tighten the generator link arm adjusting nut, and, using a Burroughs gauge, ensure that the drive belt is adjusted to the correct tension of 510N (115 lbs).

- Refit the air pump.

- Connect the battery earth lead.