174—ENGINE
CHRYSLER SERVICE MANUAL
51x70
Fig.
61—Measuring Clearance Between Pump Rotors
RELIEF VALVE SPRING CHART
Color
Gray (Lt.)
Red (Std.)...
Brown (Hvy.
Free
Height
3 %
2
inch
2*%
2
inch
inch
)2
Under-
Load
Height
2%
6
inch
2%
e
inch
2%
e
inch
Tension
Pounds
16.1 to 17.1
19.5 to 20.5
22.0 to 23.9
Unscrew plug and remove relief valve spring
and plunger. (Fig. 3) Clean all parts thor-
oughly.
If plunger shows signs of scoring or binds
in bore, install a new plunger, and test spring.
The spring should conform to Specifications on
chart. If, for any reason, the spring has to be
replaced, the same color spring should be used.
An exception is where oil pressure is either
above or below specifications.
e. Installation
Install strainer on end of suction tube and se-
cure with a cotter pin. Install suction tube into
pump body.
Make sure pump guide sleeve is in position
in rear main bearing cap and install oil pump,
suction tube, and strainer to rear main bear-
ing cap. Align drive slot in pump shaft with
distributor lower drive shaft. Tighten mount-
ing bolts to 33 foot-pounds torque.
After oil pump has been installed, check
alignment of strainer. The bottom of strainer
must be on a horizontal plane with machined
surface of cylinder block.
39.
REMOVAL AND INSTALLATION
OF OIL FILTER
Remove the shell retaining center bolt and lift
off outer shell and gasket. (Fig. 62). Remove
filter element. Remove filter base attaching
bolts and filter base if necessary.
Use new gaskets, reinstall filter base and new
filter element. Install outer shell and tighten
center bolt securely.
SHELL
GASKET
I
BASE
FILTER ELEMENT
55x724
MOUNTING GASKET
Fig.
62-Full Flow Type Oil Filter
(Disassembled View)
OIL
1x970A
Fig.
63—Installing Rear Main Bearing Oil Seal
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