Alternator Overhaul - Hummer H1 Service Manual

______________________________________________________
®

ALTERNATOR OVERHAUL

Alternator Disassembly
1. Remove alternator.
2. Mark drive end frame and slip ring end frame for
assembly alignment reference.
3. Hold rotor shaft with allen wrench and remove nut,
washer, pulley, fan, and thin collar from rotor shaft
(Figure 12-38).
4. Remove four through-bolts from slip ring end frame and
drive end frame.
5. Remove drive end frame and thick collar from rotor shaft.
6. Remove three nuts from stator leads and rectifier bridge.
7. Remove stator from slip ring end frame.
INSULATOR
OUTPUT
STUD
SLIP RING
END FRAME
BEARING
05745159
REGULATOR
ROTOR
SHAFT
SLIP RING
STATOR
THICK
COLLAR
ROTOR
Figure 12-38: Alternator Components
8. Remove standard screws, insulated screws, and washer
from components in slip ring end frame.
9. Remove nut and output stud with insulator from slip ring
end frame.
10. Remove rectifier bridge, capacitor strap, regulator
connector strap, and brush holder from slip ring end
frame.
11. Unsolder and separate brush holder and regulator
connector.
12. Unsolder and separate connector strap from regulator.
BRUSH
HOLDER
STUD
REGULATOR
CONNECTOR STRAP
RECTIFIER
BRIDGE
DRIVE END
LEAD
FRAME
STATOR
Electrical System
INSULATED
BRUSHES
SCREWS
CAPACITOR
STRAP
PULLEY
FAN
THIN
COLLAR
12-23
4-1-00