Chevrolet 70 1969 Series, Shop Manual

Page: 869 / 913

TRANSMISSION AND CLUTCH 7-123
Lever Height Adjustment Procedure
1. Loosen clutch cover-to-flywheel attaching bolts evenly
to allow cover to move away from flywheel and per­
m it ends of release levers to extend outw ard to the
unloaded position.
2. Remove the spring straps from over adjustm ent nuts.
By pulling release levers further outw ard the adjust­
m ent nut will unseat from cover to a distance whereby
vise-grips or alligator-type pliers can be applied to
turn the nut.
3. After turning nut, it is necessary to again secure
clutch cover firmly to flywheel, over the spacers, and
recheck the lever height dimension.
4. If necessary, repeat the foregoing steps until proper
height dim ension is obtained.
5. After obtaining proper adjustm ent, install spring
straps over adjustm ent nuts.
NOTE: The two dimples in strap should be
pointed toward the nut.
SPECIFICATIONS
C L U T C H T Y P E ........................... Single Plate, Dry Disc
C L U T C H C O V E R A N D PRESSURE P L A T E A SSEM B LY
M a k e ............................................................... .. . Long
Model N u m b e r ......................................................13CF
Long Part N u m b e r .....................................C-50-348-3
GM, Part N um ber............................................ 2452539
Width of Drive Lugs on
Pressure Plate .................................. 1.487"-1.490"
Clearance Between Lugs and Cover
S lo t ...................................................... 0.008"-0.015"
Pressure Plate Thickness (From Face of Plate
to Top of New Release Lever Pin) . . 1.5861"-1.6063”
PRESSURE SPRINGS
Number U s e d ............................................................. 16
Compression Test (Under 138 lb. L o a d ) .......... 1.562"
R E L E A S E L E V E R N E E D L E BEARING R O LLER S
Quantity (at Each P i n ) .............................................. 19
L e n g th ................................................... 0.475"-0.490"
Diameter ............................................ 0.0623"-0.0627"
RE LEASE LEVE R YOKE
Bearing Hole D iam e ter...................... 0.4438”-0.4448"
R E LE A SE L E V E R PIN
Diameter ............................................ 0.3181"-0.3185"
L e n g th ................................................... 1.615"-1.635"
RE LEASE L E V E R Y O K E PIN
Diameter ............................................ 0.3181"-0.3185"
L e n g th ................................................... 1.052”-1.072"
RE LEASE L E V E R SETTING
Distance from Top of Cover to Le v e r............ 1-1/32"
DRIVEN DISC A S SE M B LY
M a k e ........................................................ Lipe-Rollway
Lipe-Rollway Part Number.........................130-19-118
GM Part N u m b e r ............................................ 2456719
Individual Facing Thickness................. 0.135"-0.140”
R E LEA SE BEARING
Type .............................................. Requires Lubricant
Bearing Assembly Number
(used with Release F o r k )............................. 9421436
(used with Release L e v e r ) ........................... 9419297
P IL O T BEARING
Type ........................................................ Shielded-Ball
Bearing Assembly Num ber................................ 907059
CHEVROLET SERIES 70-80 H EAVY DUTY TRUCK SH O P M A N U A L