Overhaul
Disassembly
1. Remove the alternator cover(A).
2. Loosen the mounting bolts(A) and disconnect the brush holder assembly(B).
3. Remove the slip ring guide(A).
NOTE:
When installing, replace with new OAD cap.
4. Remove the nut and pulley(A).
5. Loosen the 4 through bolts(A).
6. Disconnect the rotor(A) and cover(B).
7. Reassembly is the reverse of disassembly.
Inspection
Inspect Rotor
1. Check that there is continuity between the slip rings (C).
2. Check that there is no continuity between the slip rings and the rotor (B) or rotor shaft (A).
3. If the rotor fails either continuity check, replace the alternator.
Inspect Stator
1. Check that there is continuity between each pair of leads (A).
2. Check that there is no continuity between each lead and the coil core.
3. If the coil fails either continuity check, replace the alternator.