Chevrolet 70 1969 Series, Shop Manual

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T R A N SM ISSIO N S A N D CLUTCHES 7E-33
5 6 7
Engine Crankshaft
Pilot Bearing
Engine Flywheel
Driven Disc Assembly
Pressure Plate
Clutch Cover
Release Lever
Needle Bearing Rollers
Pressure Plate Pin
Eye Bolt Pin
Needle Bearing Rollers
Adjusting Nut
Adjusting Nut Lock Nut
Release Lever Eye Bolt
Retracting Spring
Release Bearing and Support Assembly
Transmission Main Drive Gear
Release Fork
Release Fork Retainer Spring
Release Fork Ball Stud
Pressure Spring
Insulator Washer
Figure 1— Single Disc Clutch with Release Fork (Typical!
C L U T C H R E L E A S E M E C H A N IS M
(FOR K - T YP E)
1. Check release fork and ball stud for wear,
distortion, cracks or other damage.
2. Check release bearing for roughness or
noise by rotating bearing race while applying
light pressure.
3. Replace all components that would affect
proper operation of the clutch release mechanism.
4. Prior to installation of clutch release
bearing and support assembly (fig. 5), fill the
inside groove and coat the outside groove with a
small quantity of high temperature grease.
IM P O R T A N T : An excessive amount of lu­
bricant applied to release bearing could spin off
the bearing and damage other clutch components.
N O T E : The release bearing on some ve­
hicles is equipped with a lubrication fitting. Other
vehicles are equipped with a permanently lu­
bricated type bearing. Check L U B R IC A T IO N (SEC.
0) for proper interval on the release bearing.
C L U T C H R E L E A S E M E C H A N IS M
(Y OK E- TY PE )
Check bearing for roughness or noise by ro­
tating bearing race while applying light pressure.
Replace the bearing if it is rough, noisy, or when
damaged.
Removal (Refer to Fig. 6)
1. Remove release lever from clutch release
yoke cross shaft.
2. Disconnect flexible lubrication tube from
top of release bearing support. Remove two re­
taining springs from top of bearing support. Slide
release bearing and support assembly off end of
transmission bearing cap.
3. Remove two cap screws which attach re­
lease yoke to cross shaft, then drive the yoke to
one side to expose two drive keys. Remove keys,
then drive shaft out of yoke and remove from the
housing.
CHEVROLET SERIES 70-80 H EAVY DUTY TRUCK SH O P M A N U A L