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ENGIN
E
LOWER
ENIl
tach
ed,
or
(l
shoft
that
is
hung up
011
a
bearing.
Relieve pressure
imtnedi-
atetv
and
correct the probteni before
p
roceeding.
CAUTION
Ne
ver
PlY the
crankcase
halves
apart,
Doing
so
willresult
in
oil
teaks.
requir-
ing the
replace ment ofthe
cra
nkcase.
12.
Pull
the
right
crankcase straig ht up and a
ll'
the
le ft
crankcase
half and sha fts,
Set the righ t crank-
case as
ide and
remo ve the
separating too
l
from it.
149
13. Re
move
the
locating dowe
ls.
Refer to
Figure
34 and Fig ure 35
.
14.
Remove
the thru
st
washer
from
the
pump
shaft,
then
slide
the
dr
ive
gear
(A,
Figure
36) fro
m
the
pump shaft .
15. Re
move
the three
mo
unting
bolt
s (A,
Figure
37) sec
ur ing
the
oil pump to
the
crankcas
e.
Lift up
and rem
ove the o
il
pump (13, Fig
ure
37
).
CAUTION
The
balan ce
.,hali
lIIay
be
equ
ipped
with
a shinus).
Be
careful not
10
loose
or damage the
shimts).
16.
Lift
the balance
shall (13, Fig
ure 36)
straight up
and o
ut of
the
left cra
nkca
se.
Keep
the
shim
s w
ith
the
shall
as they must be
reins
talled.
17.
If so
eq uipped
,
remo ve the
shim
(C,
Figure 36
)
from
the
end
o
f
the
cra
nksh aft .
I8A.
If
a
press is
availab
le,
perform the follow ing:
CAUTION
Pla
ce
woo
de n
blocks on
the
press
bed
to protect the
sealing surface
of the
left
crankcase
half
during
the p
ress
operation.
a.
Place
the
left cra
nkcase on
the press
bed
w
ith
the sca
ling surface
facing
down.
b. Posit ion the
crankcase on
the press bed
so the
cranksha
ft
is
centered
under the press
post
(Figure
38)
.
c.
Slo w ly
apply
pressure
to
the
end ofthe cra
nk-
shaft whil
e
ho
ldin
g
o
nto
the
right
end
under
the
press
bed
.
CAUTION
Do not drop the
crankshaft
when
it
is
release
d/rom
tile
hearing.
d.
Continue to
appl
y pressure
until
the
crank
shaft
is released
from the bearin
g
in the left
crank-
case.
Remove the
cra
nkshaft
(Figure 39)
.
e.
Remove the
left
cra
nkcas e
halffrom
the
press
bed .
18B .
If
a
pre
ss is
not available,
take the
left
side
crankcase/cranksh aft assembly
to
a Polaris
dealer-
ship. or
machine
sho p.
and have the
cranks ha
ft
pressed
out.
19.
Inspect
all
components of the
crankcase as de-
scribed in
this
chapter.
II
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