DELCOTRON 6Y-9
2.
Remove terminal nuts and stud assembly from end
frame.
3.
Install new holder, brush and lead assembly onto pivot
pin (fig. 12C). Attach retaining clip to pivot pin.
4.
Install terminal assembly to end frame.
NOTE: Brush spring tension should be checked as
shown in Figure 15C. Excessive tension w ill cause
rapid wear, whereas low tension results in erratic
generator output and burning of slip rings. Defective
springs must be replaced.
End Frame Replacement
1. Remove heat sink as outlined in Heat Sink Replace
ment.
2. Attach brush holder assembly to the new end frame.
3.
Replace heat sinks to end frame as outlined in Heat
Sink Replacement.
Bearing Replacement--Drive End Frame
1. The drive end frame bearing can be removed by detach
ing the retainer plate bolts and separating retainer plate
and seal assembly from end frame, and then pressing
bearing out using suitable tube or pipe on outer race.
2.
Refill bearing one-quarter full with Delco-Remy No.
1948791 grease or equivalent. Do not overfill.
3.
Press bearing into end frame using tube or pipe as in
Step 1.
4.
Install retainer plate. Use new retainer plate if felt seal
is hardened or excessively worn.
3.
A S S E M B L Y
1.
Reassemble bearing retainer and grease reservoir as-
4.
sembly to drive end frame.
2. Assemble rotor unit to drive end frame and install
spacer, fan, woodruff key, pulley, washer and shaft nut.
NOTE: Torque shaft nut to 60 lb. ft.
5.
Fig. 15 C -C he cking Brush Spring Tension
Assemble stator unit to slip ring end frame, connect
lead wires to the three external terminals, and install
terminal nuts.
Assemble rotor and drive end frame assembly to stator
and slip ring end frame assembly.
CAUTION: To prevent damage to brush units, physi
cally lift brushes away from the slip rings.
Install the four frame through bolts.
S P R I N G T E N S IO N
S C A L E
( H O O K O V E R C E N T E R
O F B R U S H )
CHEVROLET OVERHAUL M A N U A L SUPPLEMENT
Summary of Contents for 40 60 Series
Page 1: ...40 60 SERIES TRUCK SUPPLEMENT ST 334 72...
Page 86: ......
Page 96: ...n 47 k u m i i i iin I ll II I...
Page 222: ......