Alternator Overhaul: Disassembly
NOTE: Refer to the Exploded View if needed during this procedure.
- Terminal Insulator and Bracket - Remove
- Cover - Remove
- Brush Holder/Regulator - Remove
1. Remove the brush Holder (A), then remove the regulator (B). - Stator Assembly - Separate
1. Remove the four through bolts.
Properly installed:Improperly installed:
2. Separate the front housing (A) from the stator core (B) by inserting a flat-tip screwdriver into the openings and prying them apart. NOTE:
- Be careful not to damage the stator coil with the tip of the screwdriver.
- Do not remove the bearing holder (C) from the stator assembly (D). If the bearing holder is not installed properly, replace the stator as assembly.
- Brush - Inspect
1. Measure the length of both brushes with a vernier caliper. If either brush is shorter than the service limit, replace the brushes. Alternator Brush Length Standard (New): 14 mm (0.55 in) Service Limit: 4.5 mm (0.177 in) - Pulley - Remove
1. Clamp the rotor in a soft-jawed vise. 2. With OAD: Remove the OAD Pulley .
3. Without OAD: Remove the pulley nut, then remove the pulley.
- Rotor Slip Ring - Test
1. Check for continuity between the slip rings (A): - If there is continuity, go to step 2.
- If there is no continuity, replace the rotor assembly.
2. Check for continuity between each slip ring and the rotor (B) and the rotor shaft (C):
- If there is no continuity, replace the rear housing assembly.
- If there is continuity, replace the rotor assembly.
- Spacer Ring/Front Bearing Retainer - Remove
- Front Bearing - Install
1. Drive out the front bearing with a brass drift and a hammer.