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Section 3-0il Pan, Oil Pump, and Pressure
Rel
ief
Valve
27
PACKING-6701
)G
PACKING
6702
~
Oil PAN
_
6675
GASKET
-6698~
'""""REINFORCEMENT -6642
@ = P L A
TE_S645
GASKET-
6734-o
: : : - -
34846-S
____
~
~
33798-S
PlUG_6730~
Fig.
12-0il
Pan and Related Parts
1022
assembly
for restrictions in the passages. R
epai
r
any
damage
or
replace the pan
if repairs cannot be made.
(4)
OIL SEAL REPLACEMENT. Remove
the oil
packing
and
thoroughly
clean
the packing retainer
grooves. Soak the packing
(fig.
13) in SAE
20
oil
for
two hours before
installation.
Install the
short packing
in
the front retainer
groove
and the long packing
in
the
rear retainer
groove.
"Roll-in"
the packing
with a round
bar
(fig.
14)
to
make
sure
the packing meets
the gasket
evenly.
(5)
INSTALLATION.
Spread
a thin
film
of grease
on
the oil
pan
gasket
surface
to hold
the
gasket
in place
during
installation.
Install
a
new
gasket (fig.
13
)
on the
pan.
Lift the pan
into
place
and
install the
screws
that
hold the
oil
pan to the block
and
front
cover plate.
Torque the
screws
to 15-18 foot-pounds torque.
NOTE:
A.lignment
of
th
e oil
pan can be
.implified
by tem,porarily installing
two
studs in opposite
co
rn-
eT!
of the block to
g uide
the pan
into place.
Install
the screws that hold the oil
pan
to the
engine
I!:'"
PACKING
-6707
'"""'->SIDE GASKET
\
""
"
""
(\,
\
~
)-,,,,,~~,,,
J
GASKET-67
10
1144
Fig
.
13-Engin. Oil
Pan Gasket S.t
.
<
1157
Fig
.
14-/n.talling
Oil
Seal
Packing
rear
plate. Torque
screws
to
10-
15 foot-pounds
torque_
Install the
drain
plug. Connect
the ventilation
pipe
bracket.
Install the
starter
and
connect the starter
cable. Install
the splash pan.
R
e
move
the jacks from
under the
front
end.
Fill
the
c ra nkcase
wit
h
proper
quantity and grade of oil according to
the prevailing
te mpera
ture.
h. Oil Pump.
The rotor
type
oil
pump
is used on the
H-Series en-
gine and
is
externally
mounted.
In
order
to remove the
oil pump with
the engine in
,
the chassis, it
is
necessary
to raise the
front
of
the
engine so that
the
pump
will
clear
the
frame side
rail
when it is pulled out.
NOTE:
T
h
e oil
pump and cam.haft
gear
back
la.h
should
be 0.0003-0.005 inch_
72432
-
S~
O
il
PUMP
~
DRIVEN
GEAR
.,.. "
6652
-
6619
COVER
\\
6616
/-21531-S
1081
Fig
.
1 S-Rotor Type
Oil
Pump
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