Hummer H1 Service Manual page 798

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Alternator Assembly
1. Install bearing on rotor shaft. Seat bearing against shoul-
der (Figure 12-38).
2. Assemble springs and brushes in brush holder and retain
with fabricated pin. Pin holds brushes compressed in brush
holder and will be removed after assembly.
3. Install rectifier bridge in slip ring end frame and install
screw, output stud insulator, and nut.
4. Assemble and install brush holder and regulator. Solder
connection between brush holder and regulator if either
part was replaced.
5. Slide regulator connector strap into regulator contact and
solder together.
6. Slip capacitor strap under connector strap and position on
rectifier bridge and regulator. Secure capacitor strap with
screw and two insulated screws (Figure 12-51).
CAPACITOR
STRAP
SCREWS
RECTIFIER
BRIDGE
STUD
NUT
Figure 12-51: Rectifier Bridge and Capacitor Strap
Location
7. Attach stator leads to rectifier bridge and secure leads with
nuts.
8. Install thick collar on rotor shaft (Figure 12-38).
9. Insert rotor shaft through drive end frame and seat bearing
against thick collar.
10. Install thin collar, fan, and pulley on rotor shaft and secure
with washer and nut. Tighten nut to 40-80 lb-ft (54-109
N•m).
11. Carefully insert rotor through stator and seat ball bearing
in slip ring end frame. Be sure drive end frame and stator
are aligned and seated.
12. Install through-bolts. Tighten through-bolts evenly to
remove any slack.
13. Verify that rotor turns smoothly.
14. Remove brush retaining pin from brush holder. Be sure
brushes extend out brush holder and contact slip rings.
05745159
INSULATED
SCREWS
SOLDERED
CONNECTION
SCREW
AND WASHER
Electrical System 12-27
4-1-00