Air Filter; Engine Oil Filter; Muffler; Spark Plug - Craftsman 917.272922 Owner's Manual

Lawn tractor 20.0 hp, 42" mower electric start automatic transmission
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Oil Drain Valve
Closed and _
_,
Lockee AS I
Position_
/"
_
dJ ._h ""
y
-Drain
_Tube
O2463
3. Unlock drain valve by pushing inward
slightly and turning counterclockwise.
4. To open, pull out on the drain valve.
5. After oil has drained completely, close
and lock the drain valve by pushing
inward and turning clockwise until the
pin is in the locked position as shown.
6. Remove the drain tube and replace the
cap onto the end of the drain valve.
7. Refill engine with oil through oil fill dip-
stick tube. Pour slowly. Do not overfill.
For approximate
capacity see "PROD-
UCT SPECIFICATIONS"
section of this
manual.
8. Use gauge on oil fill cap/dipstick for
checking level. For accurate reading,
tighten dipstick cap securely onto the
tube before removing dipstick.
Keep oil
at "FULL' line on dipstick. Tighten cap
onto the tube securely when finished.
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 knobs and 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 with knobs.
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 cartridge.
Do not use pressurized air to clean or dry
cartridge.
Knobs___-----___%
"_- _:ZJ_>Cartridge
Cover
_,_
oam
Pre-Cleaner
" _--,-.
_
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 the
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.
ENGINE OIL 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.
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.
21

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