PROCEDURE
INSPECT GENERATOR WITH VACUUM PUMP ASSEMBLY
Mount the generator in a vise between aluminum plates.
Insert a screwdriver to hold the generator rotor.
Install a bolt and nut to the outside of the pulley so that the bolt head and nut clamp the pulley, and then position a dial indicator as shown in the illustration.
Turn the pulley and measure the backlash between the generator rotor and vacuum pump shaft.
| Maximum backlash |
|---|
| 1.6 mm (0.0630 in.) |
If the backlash is more than the maximum, replace the generator rotor and vacuum pump shaft.
REMOVE VACUUM PUMP ASSEMBLY
| *a | Matchmark |
Place matchmarks as shown in the illustration.
Remove the 4 bolts and vacuum pump.
REMOVE GENERATOR REAR END COVER
Remove the nut and terminal insulator.
Remove the bolt, 3 nuts, rectifier plate and rear end cover.
REMOVE GENERATOR BRUSH HOLDER ASSEMBLY
Remove the brush holder cover.
Remove the 2 screws and brush holder.
Remove the plate seal.
REMOVE GENERATOR REGULATOR ASSEMBLY
Remove the 3 screws and generator regulator.
REMOVE GENERATOR HOLDER WITH RECTIFIER
Remove the 4 screws and generator holder with rectifier.
Remove the 4 rubber insulators.
REMOVE GENERATOR RECTIFIER END FRAME
| *1 | Cord Clip |
Remove the 4 nuts and cord clip.
| *a | Hold |
|
Turn |
Using SST, remove the rectifier end frame.
Remove the washer from the rotor.
REMOVE GENERATOR ROTOR ASSEMBLY
Using SST and a press, press out the rotor.