Chevrolet 10 Series 1970 Service Manual page 441

3. Hand crank the engine until
at the bottom.
4. In stall clutch disc, p re s s u re plate and c o v e r assem ­
b ly and support them with T o o l J-5824.
5. Turn clutch assem bly until
c o v e r flange lin es up with " X "
6. In stall attaching bolts and tighten each one a turn at a
tim e to preven t distorting the c o v e r as the spring
p re s s u re is taken up.
7. R em ove clutch p ilot T o o l J-5824.
8. Pack clutch fork b all seat with a sm a ll amount of
high m eltin g point grea se and in stall a new reta in er
in the g ro o v e of the clutch fo rk i f the old reta in er is
worn o r damaged.
NOTE:
In stall re ta in e r with high side up, away
fro m bottom of the b all socket and with open end
General D e s c rip tio n ..............................................................................
Service O p e ra tio n s................................................................................
The c o il spring single plate clutch is a dry disc type
and no adjustment fo r w ea r is p rovid ed in the clutch
its e lf. An individual adjustment is p rovided fo r locating
each le v e r in manufacturing but the adjusting nut is
locked in place and should n ever be disturbed, unless the
clutch is dism antled fo r replacem ent of parts.
When the clutch pedal is d epressed the re le a s e bearing
is rem oved toward the flyw heel and contacts the inner
ends o f the re le a se le v e r s , (1) (fig . 18). Each re lea se
le v e r is pivoted on a floating pin which rem ains station­
a r y in the le v e r and r o lls a cro ss a short fla t portion o f
the enlarged hole in the eyebolt (2). The outer end o f each
re le a s e le v e r engages the p ressu re plate lug by means of
a strut (3), which p rovid es k n ife-ed ge contact between the
ou ter end o f the le v e r and the lug. The outer ends o f the
eyeb olts extend through holes in the stamped co ver (4),
and a re fitted with adjusting nuts (5) to c o r r e c tly position
the le v e r s .
1 . R e le a s e L e v e r
2 . E y e b o lt
CLUTCH ASSEMBLY
R em oval From Vehicle
B e fo re rem oving clutch fro m
punch the flyw heel, clutch c over and one p ressu re plate
" X "
m ark on flyw h eel is
" X "
m ark on clutch
m ark on flyw heel.
COIL SPRIN G CLUTCH
Page
7-11
7-11
GENERAL DESCRIPTION
3 . S t r u t
4 . C o v e r 5 . A d ju s t in g
SERVICE OPERATIONS
flyw heel, m ark with a
of reta in er on the horizontal.
CAUTION:
Be
lubricant.
9. Replace clutch fo r k b all if rem oved in the clutch
housing and snap clutch fork onto the ball.
10. Lu bricate the re c e s s on the inside of the throwout
bearing c o lla r and coat the throwout fo rk gro o ve with
a sm all amount of graphite grea se (fig . 17).
11. Install throwout b earin g assem bly to the throwout
fork.
12. A ssem b le tran sm ission as outlined in T ran sm ission
Section, and in sta ll flyw h eel underpan.
13. A lign push rod to clutch fo rk and attach return spring
to clutch fork .
14. Adjust clutch
section).
INDEX
Rem oval from V e h i c l e .....................................................................
Installation to V eh icle .....................................................................
N u t
lug, so that these parts may be assem bled in th eir same
re la tiv e positions, as they w ere balanced as an assem bly.
Loosen the holding sc rew s a turn o r two at a tim e to
avoid bending rim o f c o v e r. When rem oving driven plate
be sure to m ark flyw h eel side.
CLUTCHES AND TRANSMISSIONS-7-11
ca refu l not to use too much
linkage (See adjustments
CHEVROLET TRUCK SERVICE MANUAL
in this
Page
7-11
7-12
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