flow freely. If the oil is too hot, it can-
Inspection
not support the bearing loads, it cannot
Clean all of the regulator components in
carry away enough heat, and it may re-
fuel oil and dry them with compressed
As a
sult
in
too
great
an
oil
flow.
air. Then inspect the parts for wear or
consequence, o i l p r e s s u r e m a y d r o p b e -
damage.
low acceptable limits and oil consumption
m a y become excessive.
The regulator valve must move freely in
the valve body. If the valve or regula-
In performing its lubricating and cooling
t o r b o d y i s scored and cannot be cleaned
functions, the oil absorbs a considerable
up with crocus cloth, they must be re-
amount of heat and this heat must be
placed.
dissipated by an oil cooler.
Replace a fractured or pitted spring.
the side of the engine just below the wa-
A s s e m b l e Oil Pressure Regulator
and assemble the regulator as follows:
1. Apply clean engine oil to the outer
surface of the valve and slide it into the
regulator body, closed end first.
2. Insert the spring in the valve and,
while compressing the spring, start the
plug into the regulator body. Tighten
the plug.
I n s t a l l Oil Pressure Regulator
1. Remove all traces of the old gasket
from the regulator body, cylinder block
and pump outlet pipe flange.
2. Affix a new gasket to the regulator
body with the oil passage holes in the
gasket in alignment with the oil passages
in the body and secure the regulator to
the cylinder block with two bolts.
NOTE
Cooler Mounting-Radiator Cooled
When attaching a new regulator be
Engine
sure the new gasket is installed so
that the tab on the gasket faces
cooler becomes clogged, a by-pass valve
gears (lower front cover side).
located at the oil inlet to the cooler
by-passes oil around the cooler directly
to the oil gallery in the cylinder block.
3. Place a new gasket between the regu-
lator and the pump outlet pipe and con-
The core through which the oil passes
nect these parts together with two bolts.
while being cooled is sealed to prevent
c o o l a n t f r o m g e t t i n g i n t o t h e o i l . When-
ever an oil cooler is assembled, special
care must be taken to have the proper
OIL COOLER
gaskets in place and the retaining bolts
In order to perform its functions satis-
tight.
factorily, t h e l u b r i c a t i n g o i l m u s t b e
kept
within
t h e p r o p e r temperature
limits.
If the oil is too cold, it will not
L u b r i c a t i o n System