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ENGINE COOLING FINS
Remove any dust, dirt or oil from engine
cooling fins to prevent engine damage
from overheating.
•Remove screws from blower housing
and lift housing and dipstick tube
assembly off engine.
• Cover oil fill opening to prevent entry
of dirt.
• Use compressed air or stiff bristle
brush to thoroughly clean engine
cooling fins.
•To reassemble, reverse above
procedure.
Scre_=Bloqwer Housing Screws
Assembly
• Clean cartridge by tapping gently on
flat surface. If very dirty or damaged,
replace cartridge.
• Reinstall cartridge, 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. Do not oil cartridge.
Do not use pressurized air to clean or
dry cartridge.
Cover Knob
Cover
Foam _ Cartddge
Pre-Cleaner _ut "-J! _-Paper
Cartridge
-- Base
Plug
Engine Cooling Fins
AIR FILTER
Your engine will not run properly using a
dirty air filter. C_ean 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.
• Remove knob(s) and cover.
TO SERVICE PRE-CLEANER
•Stide 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 cover and secure with
knob(s).
TO SERVICE CARTRIDGE
•Remove cartridge nut.
•Carefully remove cartridge to prevent
debris from entering carburetor. Clean
base carefully to prevent debris from
entering carburetor.
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.
19
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
carburetor.
• Be sure there are no fuel line leaks
and clamps are properly positioned.
•Immediately wipe up any spilled
gasoline.
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