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9-54
ENGINE OILING SYSTEM
O U T E R ROTOR
KR176
Fig.
126-Measuring
Outer Rotor Clearance
scores may be removed with 400 grit wet
or dry pa-
per providing extreme care is used not to round off
the sharp edge portion of the valve.
(8) For 273 and 318 cubic inch engine the relief
valve has a free length of 21/32 to 23/64 inch. For 361,
383, and 426 cubic inch engines the relief valve has a
free length of a 29/32 to 219/64 inch and
is red
in
color.
(9)
If the oil pressure is low, inspect for worn bear-
ings,
or look for other causes of possible loss of oil
pressure.
Assembly and Installation
(1) Assemble the oil pump, using new parts as
re-
quired.
(2) Install new oil and seal rings between the cover
and body. Tighten cover bolts to 10 foot-pounds
torque for 273 and 318 cubic inch engine and 35 foot-
pounds torque for 361, 383 and 426 cubic inch en-
gines.
(3) Install the oil pump and tighten attaching bolts
to 35 foot-pounds torque.
Oil
Filter Replacement
The oil filter should be replaced every six months
to coincide with
an
engine oil change.
(1) Using Tool C-3845 (Fig. 129), unscrew the filter
from the base on the bottom side of the engine and
OUTER ROTOR
INNER ROTOR
Fig. 727-Measuring
Clearance Between
Rotors
P
STRAIGHT EDGE
\
Fig. 728-Measuring
Clearance Over Rotors
discard.
(2) Wipe the base clean.
(3) Screw a new filter on the base until the gasket
on the filter contacts the base. To obtain an effective
seal, tighten filter
by
hand
the additional number of
turns
indicated on the replacement filter.
Start engine
and inspect for leaks.
CRANKCASE VENTILATION SYSTEM
Description
All models are equipped with a positive crankcase
ventilation system consisting of a crankcase ventila-
tor valve and cap mounted on the cylinder head cov-
er,
a special carburetor with a hose fitting in its base,
and a hose connecting the ventilator valve to the car-
buretor base fitting. The oil filler cap provides the air
inlet for the system. The air drawn into the oil filler
cap is circulated through the engine, and drawn out
of the cylinder head cover by manifold vacuum into
ASS EM6 LY
KR
239
TooL
I -
Fig. 729-Removing
Oil Filter Tool C-3845
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