Chevrolet 70 1969 Series, Руководство по ремонту

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TRANSMISSIONS AND CLUTCHES 7B-1 5
N O T E : On conventional cab models with New
Process transmission, remove gearshift lever
using tool (J-8109) as shown in figure 2. Press
down firmly on tool and rotate counterclockwise
to release gearshift lever.
2. On vehicles having a conventional gearshift
lever, remove floor mat, remove transmission
floor pan cover, then place gearshift lever in
neutral position. Remove gearshift lever and con­
trol tower assembly from transmission.
3. Place clean lint-free cloth or other suit­
able covering over opening at top of transmission
to prevent entry of dirt or other foreign material.
4. Disconnect electrical wiring from back-up
light switch mounted on transmission.
5. Drain lubricant from transmission.
6. Disconnect speedometer cable from trans­
mission adapter.
7. Disconnect clutch control linkage.
8. Disconnect and remove parking brake lever
and controls (if used).
9. Disconnect propeller shaft from trans­
mission as described in " P R O P E L L E R S H A F T S ’’
(SEC. 4D) of this manual.
10. Remove engine ground strap and battery
cable support clip if attached to transmission or
clutch housing.
11. If vehicle is equipped with power take­
off, remove unit and controls from transmission.
Place protective covering over opening.
12. On vehicles equipped with a Fuller trans­
mission, disconnect air-intake line from air filter
on transmission. Place protective covering over
air filter opening to prevent entry of dirt.
13. Position a suitable dolly or jack under ve­
hicle and adjust to carry weight of transmission.
14. Remove attaching parts that retain trans­
mission to transmission rear mount (when used).
15. Visually inspect to determine if other
equipment, lines or brackets must be removed to
permit removal of the transmission.
N O T E : On vehicles which have the engine
rear mountings attached to the clutch housing, it
will be necessary to support the engine using a
suitable dolly or jack at the flywheel housing.
Then, remove engine rear mountings as described
in EN G IN E M O U N T IN G S (SEC. 6D).
16. Remove clutch housing - to - engine fly­
wheel housing mounting bolts.
17. Move the transmission assembly straight
away from the engine, using care to keep the
transmission main drive gear shaft in alignment
with the clutch disc hub.
"A PRO N ” TYPE
FLYWHEEL HOUSING
“ SAE # 2 " TYPE
FLYWHEEL HOUSING
ENGINE ENGINE
\.
r
—
t -
TRANSMISSION
PAN
“A P R O N ” TYPE
f\
i
1
s_
.
\
r
TRANSMISSION
CLUTCH HOUSING
“SAE # 2 " TYPE
Figure 7 — Flywheel Housing Identification
C A U T IO N : When removing the transmission,
do not allow weight of the transmission to hang on
clutch disc hub, as disc will become distorted,
seriously affecting clutch operation.
18. When transmission is free from engine,
lower the transmission and move from under the
vehicle.
19. If desired, a careful check of clutch com­
ponents should be made after the transmission has
been removed. If the clutch requires repair, refer
to " C L U T C H E S ” (SEC. 7E) in this manual.
IN S T A L L A T IO N
1. Apply a light coating of High Temperature
Grease to the main drive gear bearing retainer
and splined portion of transmission main drive
gear shaft to assure free movement of com-
Figure 2— Replacing Gearshift Lever
CHEVROLET SERIES 70 -80 H EAVY DUTY TRUCK SH O P M A N U A L