Craftsman 917.272680 - Manual (Page 21)

AIR filter
Your engine will not run properly using a
dirty air filter. Replace 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.
1. Pull up on air filter cover handle and
rotate towards engine.
Remove cover.
Carefully remove air filter cartridge and
pre-cleaner from base.
Clean base carefully to prevent debris
from falling into carburetor.
NOTE; If very dirty or damaged, replace
cartridge.
5. Place new pre-cleaner and cartridge
firmly in base.
Align tabs on cover with slots in blower
housing and replace cover.
Hook handle on cover and push down
on handle to close.
IMPORTANT: Petroleum solvents,
such as kerosene, are not to be used
to clean the cartridge. They may cause
deterioration of the cartridge. Do not oil
cartridge. Do not use pressurized air to
clean cartridge.
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3.
4.
6
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7.
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 stub­
born 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 as­
sembly off engine.
2. Cover oil fill opening to prevent entry of
dirt.
3. Use compressed air or stiff bristle
brush to thoroughly dean engine cool­
ing fins.
4. Replace blower housing and dipstick
tube assembly
Blower Housing
Screws
Screws
Dipstick Tube
Assembly
Oil Fill
Opening
Spark
Plug
Engine Cooling Fins
MUFFLER
Inspect and replace corroded muffler and
spark arrester (if equipped) as it could cre­
ate a fire hazard and/or damage.
SPARK PLUG(S)
Replace spark plug(s) 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. If fuel filter becomes
clogged, obstructing fuel flow to carbu­
retor, replacement is required.
1. With engine cool, remove filter and
plug fuel line sections.
2. Place new fuel filter in position in fuel
line with arrow pointing towards carbu­
retor.
3. Be sure there are no fuel line leaks and
clamps are properly positioned.
4. Immediately wipe up any spilled gaso­
line.
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