Filter
Top Products
Tractors.
Lawn
and
Gard
en
- 110
and
112
Engine
20
SM-2059
-
(Apr-67)
Piston,
Crankshaft
and
Flywheel
- Ko
hler
15-15
CHECKING
PISTON
RING
END
GAP
PI,
T
",
I '.I
..
F
ig.
35-Checking
Ring
En
d G
ap
Bef
or e
installing
rin
g's
on
piston,
ins
e
rt
each
ring
into
the
cyl
inder
bore
to
check
ring
end
gap,
Figure
35.
Always
check
ring
end
gap
whenever
new
rings
a
re
installed.
Use
an
invert
ed
piston
with
o
ut
rings
to
push
the
ring
squarely
to
a
point
in
the
bore
which
is
approximately
th
e
ce
nter
of
piston
ring
travel.
M
eas
ure
th
e
ring
end
gap
by
inserting
a
feeler
gauge
between
the
ends
of
the
ring,
Figure
35.
See
Specifications,
page
15-18.
for
co
rrect
ring
ga
p.
Minor
increase
in
gap
c
learan
ce ca
n
be
made
by
hi
ing
the
ends
of
the
ring
but
this
must
be
done
accurately
on
equipment
made
for
this
purpose.
Too
much
e
nd
clearan
ce
indicates
that
wrong
rings
are
bein
g
used
or
cylinder
is
bored
too
lar
ge
.
TNSTALLING
RTNGS AND
PISTON
After
checking
ring
Side
clearance
and
end
gap,
us
e
rin
g
expander
to
pOSition
all
ring
's
ex
-
actly
as
shown,
Figure
36.
Regular
set
of
rin
gs
do
not
have
rails
and
expander
on
oil
ring.
Note
position
of
chamfer
on
top
rin
g,
under
cut
on
center
rin
g
and
expander
of
lower
ring.
When
installing
heavy-duty
rings,
be
sure
to
install
chrome-
edge
d
ring
in
top
piston
groove.
Stagger
the
piston
ring
gaps
by
moving e
ach
ring
until
the
gaps
are
o
ut
of
alignment
as
much
as
possibl
e.
THIS
IS
IMPORTANT.
Litho
in
U.S
.
A.
Fi
g.
36-Pislon
R
ing
A
sscm
bly
F
i9.
J7 - Ins
loll
ing
Ri
ng.
F
ig.
38-lnstoll;n9
Piston
i"
Cylindcr
Coat
piston
and
rin
g
generously
with
li
gh
t
oil
and
insert
co
mplete
assembly
into
cylinder
bore
using
ring
'
compressor.
Figure
38.
NOIE·
l3e
sure
malch
marks
on
conneclin::;
ro
d
alld
rod
cap
{/
re
alif{ned
and
face
r7yw/teC'l
side
of
enr:;ine,
Fif!,7lye
.99
.