Alternator: Service and Repair

Drive Belt & Generator

Removal Service Point: Drive Belt (Generator) Removal:

Removal:
1. Loosen the pivot bolt nut and the lock bolt as shown in the illustration.
2. Loosen the adjusting bolt and lift it upwards.
3. Push the generator towards the engine to remove the drive belt.

Installation Service Point: Generator Installation/generator Brace/drive Belt (Generator):

Installation:
1. Install the generator to the front case mounting boss with the pivot bolt, and provisionally tighten the nut to still allow the generator to move smoothly.

.2. Install the generator brace to the water pump, and tighten it to the specified torque.

3. Press the generator body towards the engine, and provisionally tighten the generator and generator brace with the lock bolt.

4. Install the generator drive belt and adjust the belt tension using the adjusting bolt.

5. After adjusting the belt tension, fully tighten the nut of the pivot bolt and the lock bolt to the specified torque, and then tighten the adjusting bolt to the specified torque.

Stator And Front Bracket Separation:

Stator and Front Bracket Separation
Insert flat tip screwdriver between front bracket and stator core and pry downward.
CAUTION:
Do not insert screwdriver too deep, as there is danger of damage to stator coil.

Generator Pulley Removal:

Generator Pulley Removal
1. Clamp the rotor in a vise with soft jaws.
2. After removing the nut, remove the pulley and front bracket from the rotor.

Stator Removal:

Stator Removal
1. When removing stator, unsolder three stator leads soldered to main diodes on rectifier.

.2. When removing rectifier from brush holder, unsolder two soldered points to rectifier.
Caution:
a. When soldering or unsoldering, use care to make sure that heat of soldering iron is not transmitted to diodes for a long period. Finish soldering or unsoldering in as short a time as possible.

b. Use care that no undue force is exerted to leads of diodes.