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12
Chapter
I-General
Engine
Overhaul, Inspection
,
and Repair
Fig. 5-Engin
e
Mount-302 or 332 Cubic Inch Engine
clutch disc, it may be necessary
to
place the
trans~
m,ission in
gear
and rotate the
crankshaft
to
align
the
clutch (lise splines with tir
e
1nain
drive
gear splin
es.
Oil all mounting bolts
before
installation.
Insta
ll
the
clutch housing to
e
ngine
bolts,
then tighten them to
45-50 foot-pounds
torque.
Install
the
housing
lower
cover, then
tighten the bolts
to
12-15
foot-pounds
torque.
Insta
ll
the engine front support bolts.
T ighten
the
11,6
inch bolts to 45-50 foot-pounds torque
and
the
o/to
inch
bolts to 85-95 foot-pounds torque. Remove the
enqine
lifting hook(s)
.
Install the
starter assembly and
tighten the
retaining
bolts
to
15-20
foot-pounds
torque.
Connect
the sta
rter
cable and
the
ground strap. Connect the clutch
release
lever retracting spring.
Position
the
muffler inlet pipe on the manifold
flange,
install the
lockwashers and nuts,
the
n
tighten
the nuts
to
23-28
foot-pounds torque.
Connect the
fue
l line.
Connect
the generator
wires,
the
engine
temperature
sending
unit wire,
the oil
pres-
sure sending
unit
wire,
and
the ignition
coil primary
wire.
Connect
and ad
just
the
throttle
control
and
choke
control.
Connect
t he
accelerator rod
and
spring.
Con-
nect the windshie ld wiper
hose.
Rem
ove
the tape
from
the carburetor,
and insta
ll
the
air
cleaner.
NOTE:
On t
rucks
equipped with an air
cOlnpressor,
connect the
reservoir to
compressor
line,
th en im,tall
the
clip
retaining
screw.
Tighten the reservoir inlet
filling. Close the
rese
rvoir drain.
cock.
Position
the
radiator
and
shroud assembly in
the
truck, then install the
retain
ing
bolts.
Connect
the radi-
ator and
heater h
oses.
Install
the fan
asse
mbly
a
nd
drive
belts, then adjust
the tension
of
the belts.
Install
the
hood.
Fill the
cooling system.
Fill
the crankcase with
the
proper
grade and quantity of engine oil.
Run the
engine
at fast
idle and check
for
oi
l
and coolant
leaks.
b. Cab
Forward Truck.
(1) REMOVAL.
Drain
t he cooling system and
the
crankcase.
Disconnect the throttle
return
spring.
R
e
move the floor mat.
Disconnect
one
of
the battery
cables
to
break
the
electrical
circuit.
Remove
the
floor
pan.
Disco
nnect
the
ignition
coil
primary
wire.
Disconnect
the ground wire
at the coil mounting
bracket.
Remove
the
screws
securing the
loom
clip, taillight
wire clip, and speedometer
cable,
then move
the
wires
and speedometer cable out of the way.
Remove
the
dis-
tributor
cap
a
nd
rotor.
Remove the
air
cleaner,
and tape
the
carburetor
air
horn
closed.
Remove
the radiator
and
front
end sheet
metal as-
sembly
as
outlined
in
Part
Four,
Chapter
III
.
Disco
nnect the
hand
throttle
control
and
the
choke
control.
Disconnect
the
accele
rator linkage. R
e
move
the
windshield wiper
hose from the
intake
manifold (or
vacuum
pump
inlet)
.
Remove the fan assembly
and
drive
belts.
NOTE: On trucks equipped with
an air
compressor,
vent
tlte air
compressor
drain cock.
Rentove
the
air
cOlnpressor.
Rentove the clip
retaining
the air
line
to
the jront
end
oj the
right
cylinder
bank,
loosen
the
filling at
t
h
e
reservoir
end
oj the
line,
th en
lay
the
/ine
back against the
engine
side cOlnparlment.
R
e
move
the temperature sending
unit wire, and
the
generator wires.
Remove the
oil
level
indicator
tube.
R
emove
the
engine
front
support
nuts
a
nd
washers.
Dis-
connect
the
flexible
fuel
line
at
the fuel
pump.
Close off
the
main fuel line to
prevent
loss of fuel.
Disconnect the
muffler inlet
pipe,
a
nd
pull
it away
from the manifold flange. Remove the
clutch
housing
lower cove
r. Remove the
clutch
housing to
e ngi ne
re-
taining
bolts. Disconnect
the starter cable
and
the
bat-
tery ground
strap.
Remove
the
starter.
Install the engine lifting hooks
as
shown ip. fig.
2.
Position a floor
jack under the engine, and place
a wood
block between the jack
and
the
oil pan.
Rai
se
th
e
engine
sligh tly, a
nd
re
move
the
front
support
bolts
a
nd rubber
pad.
Raise the
engine
carefully with a
hoist,
move
it for_
ward to
clear
the
transmission
input
shaft,
and
remove
it from
the
chassis.
Mount the engine on a work stand
using the
appropriate adapter.
NOTE
:
0
..
I.
rucks equil'peci
with a 302 or 332 cubic
inch engine,
lower
the
e
n
g
ine
o
n
blocks, then
remove
the right
Iltanijold.
Install
the
engine
mount
adapter.
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