Filter
Top Products
20
Engine
Tractors,
Lawn
and
Garden
-
110
and
112
5-12
General
Information
-
Kohler
SM-2059-
(Apr-57)
01
AGNOSI
NG
MA L
FUNCTIONS-Continued
Engine
Loses
Powe r
Crankcase
low
on
oil.
Fill
crankcase
to
proper
level.
Change
oil
if
tractor
has
been
operated
8
hours
since
last
oil
change.
Engine
shrouding
plugged.
Hemove
shrouding
and
clean
engine
fins
and
inside
of
shrouding.
Excess
i
ve
engine
load.
Reduce
engine
load
by
shifting
transmis-
sion
in
lower
gear
and/
or
by
moving
vari-
able-speed
control
lever
back.
Restricted
air
filter.
Clean
and
check
air
filter
element
condi-
tion.
Replace
filter
if
necessary.
Dirt
or
water
in
fuel
system.
Remove
fuel
system
and
clean
dirt
and
water
from
system.
Install
new
gaskets.
Install
caruburetor
kit
if
necessary.
High
speed
and
idle
mixture
needle
not
prop-
erly
adjusted.
Adjust
needles
properly.
Spark
plug
fouled
or
pitted,
incorrect
gap.
Check
spark
plug
condition.
Clean
and
reg'ap.
Replace
spark
plug
if
necessary.
Too
much
oil
in
crankcase.
Drain
oil
and
refill
crankcase
with
proper
amount
of
crankcase
lubricant.
Low
engine
compreSSion.
Check
compression.
Repair
and
replace
parts
as
necessary.
Torque
head
bolts.
Worn
cylinder
bore.
Check
cylinder
condition.
Repair
as
necessary.
Engine
Oveyheals
Dirty
or
plugged
shrouding
and
engine
fins.
Remove
shrouding
and
clean
engine
fins
and
shrouding.
High
speed
and
idle
mixture
needles
not
prop-
erly
adjusted.
Adjust
needles
properly.
Too
much
oil
in
crankcase.
Drain
oil
and
fill
crankcase
with
proper
amount
of
crankcase
lubricant.
Worn
valve
stem
and/
or
guides.
Check
condition
of
valve
stems
and
guides.
Heplace
valves
and/or
guides
if
necessary.
Crankcase
low
on
oil.
Fill
crankcase
to
proper
level.
Change
oil
if
tractor
h..'ts
been
operated
8
hours
since
last
oil
change.
Excessive
engine
load.
Heduce
work
load
by
shifting
transmission
in
lower
gear
and/or
by
moving
variable-
speed
control
lever
back.
Faulty
breather
causing
low
crankcase
vacu-
um.
Clean
breather
assembly.
Replace
parts
as
necessary.
Engine
Knocks
Engine
out
of
time.
Time
ignition.
Old
fuel.
Drain
fuel
tank
and
refill
with
good
grade
of
regular
gasoline.
Excessive
engine
load.
Reduce
engine
load
by
shifting
transmis-
sion
in
lower
gear
and/
or
by
moving
va
ri-
able-speed
control
lever
back.
Crankcase
low
on
oil.
Fill
crankcase
to
proper
level.
Change
oil
if
tractor
has
been
operatecl
8
hours
since
last
oil
change.
Engine
Backfiyes
High
speed
and
idle
mixture
needles
not
prop-
erly
adjusted.
Adjust
needles
properly.
Loose
cylinder
head
or
blown
head
gasket.
Torque
head
bolts.
Heplace
head
gasket
if
necessary.
Litho
in
U.S.A.