Chevrolet DB90 Series, Service Manual

Page: 178 / 242

S e c s. 7E & 7F -172
SECTION 7E
GLdckel
A ll inform ation in the 1970 Heavy Duty
Truck S ervice Manual ST 135-70 pertaining to
“ CLUTCHES,” p a g es 7 -5 7 —7 -6 6 , is applicable to
m od els covered by th is supplem ent with the addi­
tion of th0 following:
IMPdRTANT: A ll V6 and 637-V8 gasolin e en­
g in es are equipped with a unique p r e ssu r e p late.
The p r e ssu r e plate su rfa ce is of convex shape
(curved outward) to im prove heat distribution and
reduce warpage. T his su rface curvature is design ­
ed into the plate and w ill aid in giving im proved
clutch perform ance and extended life .
Spicer 14-Inch Dual D isc A ngle-Spring Clutch
is illu strated in figu re 1. R eplacem ent p rocedures
a re the sam e as d escrib ed for Spicer Clutches in
the 1970 Heavy Duty Truck S er v ic e Manual
ST 135-70.
SETSCREW S
DRIVE PIN
FLYWHEEL HOUSING
PILOT BEARING
CLUTCH HOUSING
ADJUSTING RING LOCK
LEVER
RELEASE SLEEVE RETAINER
RELEASE YO KE
m a in
D
r i v e g e a r
FLYWHEEL
FRONT DRIVEN DISC
CLUTCH BRAKE ASSEM BLY
CLUTCH CRO SS SHAFT
RELEASE BEARING ASSEM BLY
RELEASE SLEEVE
PRESSURE SPRING
SPRING PIVO T
FLYWHEEL RING
ADJU STIN G RING
PULL-BACK SPRING
INTERMEDIATE DRIVE PLATE
I
PRESSURE PLATE
REAR DRIVEN DISC
T-901 8
Figure
I —
Spicer 1 4" Dual Disc A ngle-Spring Clutch
SECTION 7 F
fynant Jb'Uae Pawesi ^ahe-Oj^
A ll inform ation in the 1970 Heavy Duty Truck S erv ice Manual ST 135-70 pertaining to
"FRONT END DRIVE POWER TAKE-OFF” pages 7-67 and 7 -6 8 , is applicable to m odels JM80
and JI90 covered by th is supplem ent.
CHEVROLET SERIES 70-90 HEAVY DUTY TRUCK SHOP MANUAL SUPPLEMENT