Air Filter; Muffler; Spark Plugs; In-Line Fuel Filter - Craftsman EZ3 917.273030 Owner's Manual

Engine
Cooling
Air (
(Both Sides)
AIR FILTER
Your engine wili not run properly using a
dirty air filter. Clean the foam pre-cleaner
after every 25 t_0urs 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.
• Remove knob(s)'and cover.
TO SERVICE PRE_CLEANER
° Slide foam pre-cleaner, off cartridge.
° Wash it in liquid detergent and water.
o 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 cover and secure with knob(s).
TO SERVICE CARTRIDGE
• Remove wing nuts and cartridge plate.
• Carefully remov(_ cartridge tb prevent
debris from entering carburetor. ,
° Clean cartridge by tapping gently on flat
surface. If very dtrty or damaged,
replace cartridge.
. Reinstall cartridge plate, wing nuts, pre-
cleaner, cover and secure with knob(s).
Knob
Wing
Foam
Plate
Air Screen
Cartridge
gMPORTANT: 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 year.
° Unscrew old filter by turning counter-
clockwise. Use a suitable container to
catch oil.
° Apply a thin coating of new engine oil tp
rubber gasket on replacement oil filter, i
° Install replacement oil filter by turning
clockwise until rubber gasket contacts÷
mounting surface, then tighten filter an
additional 1/2 to 3/4 turn.
= Fil! crankcase with new oil (See "TO
CHANGE ENGINE OIL" in this section
of this manuaJ). For approximate
capaci_ see PRODUCT SPECIFICA-
TIONS on page 5 of this manual.
• Start engine and check for oil leaks.
Correct any leaks before placing engine
into full operation.
O11Filter
°
22
MUFFLER
Inspect and replace corroded muffler and
spark arrester (if equipped) as it could cre-
ate 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"
on page 5 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 carbure-
tor, replacement is required.
° With engine cool, remove filter and plug
fuel line sections.
° Place new fuel filter in position in fuel
line with arrow pointing towards carbu-
retor.
Be sure there are no fuel line leaks and
clamps are properly positioned.