Hummer H1 Service Manual page 797

12-26 Electrical System
Fan
Inspect the fan for distortion, cracked blades, or broken blades.
Minor bending repair is permissible. For broken or missing
blade ends, cracks or breaks, replace the fan (Figure 12-45).
FAN
Figure 12-45: Fan Inspection Points
Slip Ring End Frame and Bearing
Inspect the bearing for roughness, looseness in retainer ring,
free play, loose inner race, or damaged seals. Replace the bear-
ing if damaged or loose (Figure 12-46).
Figure 12-46: Slip Ring End Frame
Inspect the slip ring end frame for breaks, cracks, evidence of
spun ball bearing, or damaged threads. Repair minor thread
damage. Replace the end frame if otherwise damaged.
Collars
Inspect both collars for cracks, bends, or scoring. Replace ei-
ther part if damaged (Figure 12-47).
THICK COLLAR
Figure 12-47: Fan Spacers
4-1-00
_______________________________________________________
FAN BLADE
SLIP RING
END FRAME
BEARING
THIN COLLAR
Output Stud Assembly
Inspect the output stud assembly for cracked, or broken insula-
tor, distortion, or damaged threads. Replace the stud assembly
if any part is damaged (Figure 12-48).
OUTPUT STUD
ASSEMBLY
STUD
Figure 12-48: Output Stud Inspection
Pulley
Inspect the pulley for distortion, breaks, or sharp edges in the
belt grooves. Remove minor burrs and sharp edges with fine
tooth file. Replace the pulley if damaged (Figure 12-49).
PULLEY
Figure 12-49: Alternator Pulley
Capacitor Strap
Inspect the capacitor strap for breaks, cracks, distorted case, or
surface defects. Check capacitor for continuity. Replace if
damaged (Figure 12-50).
CAPACITOR
Figure 12-50: Capacitor Strap
NUT
INSULATOR
BELT GROOVES
STRAP
®