Chevrolet 10 Series 1968, Руководство по обслуживанию

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ENGINE 6-12
• Disconnect emergency brake cable at emergency
brake and retaining brackets.
• Remove bolts retaining control island to support
and swing control island forward.
• Disconnect hoses at radiator surge tank.
• Remove bolts retaining surge tank to island sup­
port and remove surge tank.
• Disconnect throttle cable at carburetor and re ­
taining brackets.
• Remove left and right island supports.
• Disconnect cab safety lock at rear cab support.
• Remove rear cab support.
4. Disconnect wires at:
• Starter Solenoid
• Delcotron
• Temperature Switch
• Oil Pressure Switch
• Coil
5. Disconnect:
• Accelerator linkage at manifold bellcrank.
• Choke cable at carburetor.
• Fuel line (from tank) at fuel pump.
• Heater hoses at engine connection.
• Oil pressure gauge line (if so equipped).
• Vacuum or air lines at engine (as required).
• Power steering lines at pump end (if so equipped).
• Ground straps at engine.
• Exhaust pipe at manifold.
NOTE: Hang exhaust pipe at frame with wire.
6. Remove fan and pulley as outlined in Section 6K.
7. Remove clutch cross-shaft or disconnect clutch slave
cylinder (if so equipped).
8. Perform the following operations:
ON A LL SERIES EXCEPT GS 10-20:
• Remove the rocker arm cover as outlined.
• Attach lifting adapter at proper cylinder head bolt
location.
• Attach lifting device and take engine weight off
mounts.
ON A L L SERIES EXCEPT CS 10-20-30,
GS 10-20:
• Support transmission and disconnect from engine.
• Refer to “ Section
1” .
• Remove engine mount bolts.
ON CS 10-20-30, GS 10-20 SERIES:
• Remove propeller shaft as outlined in Section 4.
NOTE:
If plug for propeller shaft opening in
t r a n s m i s s i o n is not available, d r a i n
transmission.
• Disconnect speedometer cable at transmission.
• Disconnect shift linkage at transmission.
• Disconnect clutch linkage (as required).
• Remove engine mount bolts (exc. GS 10-20).
ON GS 10-20 SERIES:
• Remove the flywheel housing bolt retaining starter
wire harness clip and engine ground strap.
• Disconnect Powerglide cooler lines at both ends
then remove cooler lines.
• Place a suitable jack, with the engine cradle (Tool
J-21741) attached, under the engine (fig. 1L) then
take engine weight off mounts.
NOTE: Place the cradle so the forward legs of
the cradle straddle the fifth pan boljt from the
rear of the engine then install the safety chain
over the flywheel housing.
• Remove the engine mount bolts and the front mount
crossmember.
9. Remove engine from vehicle as follows.
CA U TIO N : Check often during engine removal
to be sure all necessary disconnects have been
made.
ON CS 10-20-30 SERIES:
• On vehicles with automatic or four speed trans­
mission, remove rear mount crossmember.
• Raise engine and transmission assembly and pull
forward until removed.
ON CS 40-50-60, KS 10-20, MS 50, SS 40-50 SERIES:
• Raise engine and pull forward until disconnected
from transmission.
• Continue to raise engine until removed from
vehicle.
ON GS 10-20 SERIES:
• Lower the engine and transmission assembly slow­
ly, pulling to the rear to clear the front axle.
• Move engine and transmission assembly out from
under vehicle.
ON PS 10-20-30-40 SERIES:
• Raise engine and push forward to clear cross-
member and disconnect from transmission.
• Remove engine from vehicle.
ON TS 40-50-60 SERIES:
• Raise engine and pull forward until disconnected
from transmission.
• Continue to raise engine until high enough to come
out either side.
10. If engine is to be mounted in an engine stand perform
the following:
ON GS 10-20 SERIES:
• Remove the rocker arm cover as outlined.
• Attaching lifting adapter at proper cylinder head
bolt location.
• Attach lifting device and remove engine assembly
from engine cradle.
ON CS 10-20-30, GS 10-20 SERIES:
• Remove synchromesh transmission and clutch (if
so equipped).
a. Remove clutch housing rear cover bolts.
b. Remove bolts attaching the clutch housing to
engine block then remove transmission and
clutch housing as a unit.
NOTE:
Support the transmission as the last
mounting bolt is removed and as it is being
pulled away from the engine, to prevent damage
to clutch disc.
CHEVROLET TRUCK SERVICE MANUAL