Air Filter; Clean Air Screen; Engine Cooling Fins; Muffler - Craftsman 917.271861 Owner's Manual

3. Unlock drain valve by pushing inward
slightly and tuming 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
dipstick tube. Pour slowly. Do not
overfill. For approximate capacity see
"PRODUCT 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 propedy 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. Failure to clean or service air
cleaner will cause engine to run rich and
could cause spark plug fouling.
1. Remove knob(s) and cover.
TO SERVICE PRE-CLEANER
2. Slide foam pre-cleaner off cartridge.
3. Wash it in liquid detergent and water.
4. Squeeze it dry in a clean cloth.
5. 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.
6. Reinstall pre-cleaner over cartridge.
7. Reinstall cover and secure with
knob(s).
TO SERVICE CARTRIDGE
1. Remove wing nuts and cartridge
plate.
2. Carefully remove cartridge to prevent
debris from entering carburetor.
3. Clean cartridge by tapping gently on
flat surface.
NOTE: If very dirty or damaged, replace
cartridge.
4. Reinstall cartridge plate, wing nuts,
precleaner, cover and secure with
knob(s).
IMPORTANT: Petroleum solvents, such
as kerosene, are not to be used to clean
the cartridge. They may cause deteriora-
tion of the cartridge. Do not oil cartridge.
Do not use pressurized air to clean or dry
cartridge.
Wing Nut
Foan
Pre-Cleaner
i
Air Screen
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
stubborn dried gum fibers.
ENGINE COOLING FINS
Remove any dust, dirt or oil from engine
cooling fins to prevent engine damage
from overheating. Air guide covers must
be removed. Remove side panels and
hood (See "TO REMOVE HOOD AND
GRILLASSEMBLY" in the Service and
Adjustments section of this manual).
Top Air
Guide Cover _,
Engine
Cooling Fins
21
Air Guide
Cover
(Both Sides)
&
MUFFLER
Inspect and replace corroded muffler and
spark arrester (if equipped) as it could
create 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.