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Craftsman 917.28638 Manual De Instrucciones página 20

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ENGINE Oral FILTER
Replace the engine oil filter every season
or every other oil change if the tractor is
used more than 100 hours in one year.
AIR FILTER
Your engine will not run properly using a
dirty air filter. Clean the foam pre-cleaner
after every 25 hours of operation or every
season.
Service paper cartridge every
100 hours of operation or every season,
whichever occurs first.
Service air cleaner more often under
dusty conditions.
1. Remove cover,
TO SERVICE
PRE-CLEANER
2.
Wash
it in liquid detergent
and water.
3.
Squeeze
it dry in a clean cloth.
4.
Saturate
it in engine
oil. Wrap it in
clean, absorbent
cloth and squeeze
to
remove
excess
oil.
NOTE:
If very dirty or damaged,
replace
pre-cleaner.
TO SERVICE
CARTRIDGE
1. Clean
cartridge
by tapping
gently on
flat surface.
If very dirty or damaged,
replace
cartridge.
2.
Reinstall
precleaner
cartridge,
cover
and secure.
iMPORTANT:
Petroleum
solvents,
such
as kerosene,
are not to be used to clean
the cartridge.
They
may cause
deterio-
ration of the cartridge.
Do not oil car-
tridge.
Do not use pressurized
air to clean
or dry cartridge.
j
Cartridge
CLEAN
AIR SCREEN
Air screen
must be kept free of dirt and
chaff to prevent
engine
damage
from
overheating.
Clean
with a wire brush
or
compressed
air to remove
dirt and stub-
born dried gum fibers.
CLEAN
AIR INTAKE/COOLING
AREAS
To insure
proper
cooling,
make
sure tile
grass
screen,
cooling
fins, and other exter-
nal surfaces
of the engine
are kept clean
at all times.
Every
100 hours of operation
(more often
under extremely
dusty, dirty conditions),
remove
the blower
housing
and other cool-
ing shrouds.
Clean
the cooling
fins and
external
surfaces
as necessary.
Make sure
the cooling
shrouds
are reinstalled.
NOTE:
Operating
the engine
with a
blocked
grass
screen,
dirty or plugged
cooling
fins, and/or cooling
shrouds
removed
will cause engine
damage
due to
overheating.
MUFFLER
Inspect
and replace
corroded
muffler
and
spark
arrester
(if equipped)
as it could cre-
ate a fire hazard
and/or
damage.
SPARK
PLUG(S)
Replace
spark
plug(s)
at the beginning
of each
mowing
season
or after every
100 hours
of operation,
whichever
occurs
first.
Spark
plug type and gap setting
are
shown
in "PRODUCT
SPECIFICATIONS"
section
of this manual.
IN-LINE
FUEL
FILTER
The fuel filter should
be replaced
once
each
season.
If fuel filter becomes
clogged,
obstructing
fuel flow to carbu-
retor, replacement
is required.
1. With engine
cool, remove
filter and
plug fuel line sections.
2.
Place
new fuel filter in position
in fuel
line with arrow
pointing
towards
carbu-
retor.
3.
Be sure there are no fuel line leaks and
clamps
are properly
positioned.
4.
Immediately
wipe up any spilled
gaso-
line.
amp
CLEANING
• Clean
engine,
battery,
seat, finish,
etc.
of all foreign
matter.
• Keep finished
surfaces
and wheels
free
of all gasoline,
oil, etc.
• Protect
painted
surfaces
with auto-
motive
type wax.
We do not recommend using a garden
hose or pressure washer to clean your
tractor unless the engine and transmis-
sion are covered to keep water out. Water
in engine or transmission will shorten the
useful life of your tractor. Use compressed
air or a leaf blower to remove grass,
leaves and trash from tractor and mower.
2O

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