Engine Cooling Fins; Air Filter; Engine Oil Filter; Spark Plugs - Craftsman EZ3 917.270813 Owner's Manual

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
GRILL ASSEMBLY" in the Service and
Adjustments section of this manual).
Clean these areas of dirt and debris
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.. Failure to clean or
service air cleaner will cause engine to
run rich and could cause spark plug
fouling..
• Unhook clips on both sides of air
cleanre and remove cover.
TO SERVICE PRE-CLEANER
• Slide foam pre-cleaner off cartridge_
• Wash it in liquid detergent and water.
, Squeeze it dry in a clean cloth..
, Saturate it in engine oil Wrap it in
clean, absorbent cloth and squeeze to
remove excess oil.
• If very dirty or damaged, replace pre-
cleaner.
• Reinstall pre-cleaner over cartridge°
• Reinstall air cleanercover and reattach
clips to sides of air cleaner body.
_Cover
TO SERVICE CARTRIDGE
• Remove knob and cartridge plate°
• Carefully remove cartridge to prevent
debris from entering carburetor. 2O
, Clean cartridge by tapping gently on
flat surface.. If very dirty or damaged,
replace cartridge..
, Reinstall cartridge plate, cover plate,
knob and precleaner..
• Reinstall air cleaner' cover and
reattach clips to sides of air cleaner
body.
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.
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 yearr
• Unscrew old filter by turning counter-
clockwise. Use a suitable container to
catch oilo
• Apply a thin coating of new engine oil
to rubber gasket on replacement oil
filter.
• Install replacement oil filter by turning
clockwise until rubber gasket contacts
mounting surface, then tighten filter an
additional 112 to 3/4 turn..
, Fill crankcase with new oit (See "TO
CHANGE ENGINE OIL" in this section
of this manual)_ For approximate
capacity see "PRODUCT SPECIFICA-
TIONS" section of this manual.
• Start engine and check for oil leaks.
Correct any leaks before placing
engine into full operation.
Oil Filter
MUFFLER
Inspect and replace corroded muffler
and spark arrester (if equipped) as it
could create a fire hazard andlor
damage°
SPARK PLUGS
Replace spark plugs at the beginning of
each mowing season or after every t00
hours of operation, whichever occurs
firsL Spark plug type and gap setting are
shown in "PRODUCT SPECIFICATIONS"
section of this manual