Filter
Top Products
Tractors,
Lawn
and
Garden
-
110
and
112
Engine
20
SM-2059-(Apr-67)
Piston,
Crankshaft
and
Flywheel
- T e
cumseh
35-13
INSTALLATION
INST
ALLING
CRANKSHAFT
ASSEMBLING
CONNECTING
ROD
AND
PISTON
Support
connecting
rod
in
a
bench
vise
and
slip
piston
down
over
conne
c
ting
rod
.
Coat
piston
pin
with
a
light
film
of
oil.
Insert
piston
pin
through
piston
bor
e
and
conn
e
cting
rod
and
on
into
opposite
piston
pin
bore.
A
properly
fitt
ed
piston
pin
c
an
be
pressed
into
position
with
hand
pressure.
Install
r e
tainer
in
both
ends
of
piston
pin
bore,
making
sur
e
that
snap
rings
are
secure-
ly
seat
ed
in
retainer
grooves
in
piston
bore.
Use
a r od
aligner
to
ch
e
ck
rod
and
piston
a
lignment.
Follow
manufacturer's
recommenda-
tions
for
checking
and
correcting
alignment.
CHECKING
PISTON
RING
END
GAP
Fig.
2B-Bcoring
Retainer
Assembly
Bolt
bearing
cup
(thin
edge
inward)
and
bear-
ing
retain
er
to
engine
block,
Figur
e 28.
Tight
en
cap
scr
e
ws
only
fing
er
tight
because
this
is
only
a
temporary
installation.
Plac
e
engine
on
its
sid
e
on
blocks
high
enough
to
allow
tap
e
red
end
of
crankshaft
to
extend
freely
when
crank-
shaft
is
install
ed
in
block.
t""
Fig.
29 -
I"stal/
i
ng
Crank
s
haft
Install
crankshaft
with
ta
per
ed
end
down
in
cylind
e r
block.
Figure
29.
F ig.
30-Che
c
king
R i
ng
End
Gop
Bef
or e
instaEin
g
rings
on
piston,
ins
e
rt
each
rin
g i
nt
o
the
C'
y
li
ncle r
bore
to
check
rin
g e
nd
gap.
A
lways
ch
ee
k
ring
end
gap
whenever
n w
rings
are
install
ed.
USE'
an
inv
e
rt
ed
piston
with
o
ut
rings
to
push
the
ring
squarely
to
a
point
in
the
bore
which
is
approximately
the
center
of
piston
ring
travel.
Measure
the
ring
end
gap
by
insertin
g a fe
eler
gaug
e
between
the
ends
of
th
p
ring,
Figure
30.
S
ee
"Specifications,"
pag
e
35-18,
for
correct
ring
gap.
Minor
increase
in
gap
clearanc
e
can
be
mad
e
by
filing
the
ends
of
the
ring
but
this
must
be
done
accurately
on
equipm
e
nt
made
for
this
purpose.
Too
much
end
clearance
indicates
that
wron
g
rings
are
being
us ed
or
c
ylinder
is
bor
ed
too
la r ge.
L
itho
in
U.S.A.