Muffler, Cleaning, Spark plugs – Craftsman 917.270822 User Manual
Page 21
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• Reinstall pre-cleaner over cartridge.
• Reinstall cover and secure with
knob(s).
TO SERVICE CARTRIDGE
• Remove wing nuts and cartridge plate.
• Carefully remove cartridge to prevent
debris from entering carburetor.
• Clean cartridge by tapping gently on flat
surface. If very dirty or damaged, re
place cartridge.
• Reinstall cartridge plate, wing nuts,
precleaner, cover and secure with
knobfs),
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.
Knob--------------^
-------------------- Cover
Wing Nut
Foam
Pre-Cleaner
Air Screen
Cartiridge
Plate
Cartiridge
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 Ad
justments section of this manual).
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 fOO
hours of operation, whichever occurs first.
Spark plug type and gap setting are
shown in the TRODOCT SPECIFICA
TIONS” section 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.
CLEANING
• Clean engine, battery, seat, finish, etc.
of all foreign matter.
• Keep finished surfaces and wheels free
of all gasoline, oil, etc.
• Protect painted surfaces with automo
tive type wax.
We do not recommend using a garden
hose to clean your tractor unless the elec
trical system, muffler, air filter and carbure
tor are covered to keep water out. Water in
engine can result in a shortened engine
life.