Chevrolet 10 Series 1970, Руководство по обслуживанию

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CLUTCHES AND TRANSMISSIONS-7-11
3. Hand crank the engine until “ X ” m ark on flyw h eel is
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
“ X ”
m ark on clutch
c o v e r flange lin es up with “ X ” m ark on flyw h eel.
6. In stall attaching bolts and tighten each one a turn at a
tim e to preven t distortin g 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 fo rk 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
w orn 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
of reta in er on the horizontal.
CAUTION:
Be ca refu l not to use too much
lubricant.
9. R eplace clutch fo r k b all if rem oved in the clutch
housing and snap clutch fo rk onto the ball.
10. Lu bricate the re c e s s on the inside of the throwout
bearin g 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 linkage (See adjustments in this
section).
COIL SPRIN G CLUTCH
INDEX
Page Page
General D e s c rip tio n .............................................................................. 7-11 Rem oval from V e h i c l e ..................................................................... 7-11
Service O p e ra tio n s ................................................................................ 7-11 Installation to V eh icle ..................................................................... 7-12
GENERAL DESCRIPTION
The c o il spring sin gle 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 en t of parts.
When the clutch pedal is d epressed the re le a s e bearing
is rem oved toward the flyw h eel and contacts the inner
ends o f the re le a s e le v e r s , (1) (fig . 18). Each re le a s e
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 o f
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 c o v e r (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 3 . S tru t F ig . 1 8 — R e le a s e L e v e r
2 . E y e b o lt 4 . C o v e r 5 . A d ju s tin g N u t
SERVICE OPERATIONS
CLUTCH ASSEMBLY
R em oval From Vehicle
B e fo re rem ovin g clutch fro m flyw h eel, m ark with a
punch the flyw h eel, clutch c o ver and one p ressu re plate
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 s c 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.
CHEVROLET TRUCK SERVICE MANUAL