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20
Engine
Tra
c
tors
, L
aw
n
and
Garden
-
110
a
nd
112
20-8
Camshaft.
Tappets
and
Gov
er
nor-Kohler
S
M-2059-(
A
pr-6
7)
ADJUSTMENT
GOVERNOR
SPEED
ADJUSTMENT
Governor
speed
is
regulat
ed
by
the
position
of
the
governor
bracket.
The
br:1cket
acts
as
a
stop
limiting
the
rotation
of
the
speed
control
disk.
After
engine
is
operable,
start
engine
ane!
check
eng'ine
speed
at
full
throttle.
Move
gover-
n
or
hracket
up
or
down
,
Figure
22,
as
required
until
maximum
engine
speed
is
3800
rpm
with
all
drives
disengaged.
Tighten
bushing
nut
but
A VOID
EXCESSIVE
PRESSUHE.
Govern
or
arm
rnust
operate
loosel
y.
fM
jJ()R
TANT·
Afle
Y Ihe
engine
i s
ossem
bled
and
ins/({lled
in
the
lYtic/or,
follOl)J
the
engine
/une-up
procedure
gil'en
in
Section
10.
SPECIFICATIONS
K161S
AND
K181S
KOHLER
ENGINES
TABLE
OF
CLEARANCES
Item
Cl
eara
nces
Camshaft
pin
to
camshaft
clearance
0.001/
0.0035"
Camshaft
end
clearance
0.005
/
0.010"
Tappet
in
l)lock
0.0005
/
0.0020'
,
TORQUE
FOR
HARDWARE
TUNE-UP
DATA
Location
Torque
Item
Spec
ifications
Miscellaneous
hardware
Refer
to
torque
Camshaft
end
Shim
as
required
chart,
Section
10
clearance
SPECIAL
TOOLS
Nome
Part
No.
Use
15/
16-inch
tappet
wrench
To
loosen
or
tighten
g
overnor
bushing
nut.
Fi g. 22
-G
ova,"or
Speed
Control
Litho
in
U.S.A.