Craftsman 917.271631 Owner's Manual page 20

B,
Use gauge on oil fill cap/dipstick for
chectdng level. Be sure dipstick cap is
tightened securely for accurate
reading_ Keep oil at "FULL" line on
dipstick,
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.
1. Remove screws from blower housing
and lift housing and dipstick tube
assembly off engine_
2_ Cover oil fil! opening to prevent entry
of dirt,
3. Use compressed air or stiff bristle
brush to thoroughly clean engine
cooling fins.
4. To reassemble, reverse above
procedure_
Screws
Blower Housing
Dipstick Tube Air Screen
Assembly
Screws
Engine Cooling Fins
)ark
Plug
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,
whiclqever occurs first.
Service air cleaner more often under
dusty conditions°
I, Remove knob(s) and cover,
TO SERVICE PRE-CLEANER
2. Slide foam pre-cleaner off cartridge.
& 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: tf very dirty or damaged, replace
pre-cteaner.
6. Reinstall pre-cleaner over cartridge°
7. Reinstall cover and secure with
knob(s).
TO SERVICE CARTRIDGE
1 Remove cartridge nut,
2. Carefully remove cartridge to prevent
debris frorn entering carburetor.
Clean base carefully 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 car[ridge, nut, 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 r Do not oil cartridge.
Do not use pressurized air to clean or dry
cartridge.
Cover Knob
Cover@Cartridge Nut
Paper
Foam
Pre-Cleaner 1.-,_-.. Cartridge
_'_ Base
3_
2O
MUFFLER
inspect and replace corroded muffler and
spark arrester (if equipped) as it could
create a fire hazard and/or damage,
SPARK PLUGS
Replace spark plugs 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_ tf fuel filter becomes
clogged, obstructing fuel flow to carbure-
tor, replacement is require&
t. With engine cool, remove filter and
plug fuel line sections.
2o Place new fuel filter in position in fuel
line with arrow pointing towards
carburetor.
Be sure there are no fuel line leaks
and clamps are properly positioned.