LUBRICATION SYSTEM
4-4
Remove the pressure
relief va
lve
and
O-ri
ng.
Remove
the
oi
l
straine
r
and
packing.
Clean the
oil
strainer
screen.
INSPECTION
Check the operat ion of the
pressurP. rP.lief va lve
by
pushing on the
piston.
Disassemble the
, el
ier
valve by removing t he snap
ring.
l11sµev1
the p iston
for
wear, unsmooth
movement or
damage.
Inspect
the
spri
ng for fatigue or
rla magP..
Assemble the relief
valve i11
the
reve
rse order of dis-
assembly.
Aµµly oil
to the
new packing and
install
it
onto
t
he oil
strAiner.
lnmall
the oil stroiner
into
the crankcase
w
hilP.
Ali
gn
-
ing
its boss
with the groove in
t
he crankcase.
RELIEF
VALVE
RELIE
F
VALVE BODY
1'
\p
~
/
~
PISTON
SPRING
I
o
,
WASHER
SNAP RING