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Tra
c
tors,
Lawn
and
Garden
-
110
and
112
Eng
ine
20
SM-2
059-(Apr-67)
P
ist
on , Cr
anksh
a
ft
and
Flywheel
- Kohle r
15- 3
REM
OVING
ENGINE
FROM
TRACTOR
1.
Drain
crankcase
oil.
2.
Remove
tractor
hood
by
spreading
hood
onl
y
far
enou
gh
to
remove
one
pin
at
a
tim
e.
,
VO
TE
,'
Too
rn
aciz
deflection
could
cause
the hood
10
cr
ack.
3.
Remove
front
grille.
4.
Shut
off
gas
at
sediment
bowl
and
remove
g
as
tank
.
5.
Disconnect
ground
wire
on
engine
and
coil
wi r
e.
NUTE:
Coil
and
co
ndens
ey
corne
off
with
Ihe en
gin
e.
6.
Disconn
e
ct
ch
ok
and
throttle
cont
rol
ca
bl
es
at
the
eng
ine.
7.
Remove
hydraulic
sy
s te m
above
cylind
er
head
if
tractor
is
so
equipped.
N O
TE:
Do
nol
di
sc
orm
ec!
hydraulic
li
nes
unless
hy
draulic
s
ys-
le
rn
is 10 be re
pai
red
als
o.
8.
Remov
e
shielding
fr
om
right-hand
s ide
of
t r ac t
or
and
remove
four
eng
ine
base
bolt
s.
Lift
out
engin
e.
DI
SASS
EMBLING
FNGINE
Re
move
en
g
ine
shrouding,
motor-
g
enerator,
coil
a
nd
ca
rbur
et
or.
Remove
cylinder
head,
breather
as
ernblyand
valv
s , S · e
Group
10
of
this
section.
Br
ea
k
flywhe
el
nut
lo
ose
with
a
shock
tool
or
us
- a
lon
g
handle
nut
spinel'
and
a
strap
wr
e
nch.
The
flywh
e
el
is
m()unted
on
a
taper
ed
s ha.ft
and
should
be
l'E~mo
'
.r
('
J
with
a
puller,
F1
~
re
3.
R( '(llOve
oil
pan
and
dipstick.
Turn
eng
ine
upside
dO\vn
and
remove
connectin
g
rod,
cap
sc
r e
ws,
lock
and
rod
ca
p.
CAUTION:
Use
pro
per
type too ls to
pre
vent
o
II
sli
ng
er
damage when
remov
ing rod cap
scr ews.
F
'9
3-
Rcmo
ving
F Iy
wh
cc I
Fi
g.
4-
R crllo v
ing
Ri
d
qe
wifiT
Ri
dqc
Reamer
Be
fore
remo
v
ing
pi
st
on,
ch
eck
for
c
ar
bon
or
ri
dg
e
at
top of cyl
in
d
l'
bor
e.
Remov
carbon
an
d
ri
dg
e wi
th
rid
ge r e
amer,
Fi
gur
e 4. Pu sh
piston
and
rod
out
top
of
block.
Remove
be
aring
plate
(13,
Figure
2), B
sure
key
is
rem
ove
d
from
e
nd
of
cr
a
nksh
aft
before
removin
g
pl
at e. Be c
aref
ul not to cut oil sea l.
L ave bea
rin
g
and
seal
in
the
bea
l' ing
plate
unle
s b
ea
ring
or 'e
al
se
rv
ice
is
r e
qu
ir
"d.
Lift
out
c
rankshaft.
NO
TE:
II
may
be n
ece
ssary
to
press
cr
an
ll
-
shafl
out.
Litho
in
U.S.A.