Clean Air Screen; Clean Engine Cooling Fins; Air Filter Foam Pre-Cleaner; In-Line Fuel Filter - Craftsman 917.255950 Owner's Manual

18.0 hp twin cylinder electric start 44" mower 6 speed garden tractor
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MAINTENANCE
CLEAN
AIR SCREEN
(See
FIG. 25)
Air screen must be kept free of dirt and chaff to prevent en-
gine damage from overheating. Clean with a brush or com-
pressed air to remove dirt, stubborn dried gum fibers.
CLEAN
ENGINE
COOLING
FINS
(See FIG.
25)
Remove any dust, dirt or oil from engine cooling fins to pre-
vent damage
fi'om overheating.
Engine blower housing
must be removed Remove side panels and hood (See "TO
REMOVE HOOD AND GRILL ASSEMBLY" in the Service
and Adjustments section of this manual.
COOLING FINS
UNDER HOUSING
(BOTH SIDES)
AIR SCREEN
FIG_ 25
AIR FILTER FOAM PRE-CLEANER
(See
FIG. 26)
Your engine will not run properly and may be damaged by
using a dirty air filter. Clean the foam pre-cleaner
element
after every 25 hours of operation, more often if tractor is
used in very dusty, dirty conditions.
• Remove the wing nut and air cleaner cover,
• Remove the element cover seal, element cover, paper
element, and pre-cleaner.
NOTE:
Do not attempt to clean or oil the paper cartridge,
Replace paper cartridge once a year or after every 100
hours of operation, more often if used in very dusty or dirty
conditions=
• Wash foam pre-cleaner
in liquid detergent and water.
• Wrap foam pre-cleaner
in cloth and squeeze dry.
• Lightly coat foam pre-cleaner
with clean engine oil.
Squeeze in towel to remove excess oil. Do not saturate,
• Install the paper element,
pre-cleaner
(cleaned
and
oiled), element cover, and element cover seal.
• Install the air cleaner cover and wing nuL Tighten wing
nut 1/2 to 1 full turn after nut contacts cover
Do not over-
tighten.
FIG. 26
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 sea-
son or after every 100 hours of use, whichever comes first,
Spark plug type and gap setting is shown in "PRODUCT
SPECIFICATIONS"
on page 3 of this manual,
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.
See the Engine Manual packed with your unit=
IN-LINE
FUEL
FILTER
(See
FIG. 27)
Fuel filter should be replaced once each season, If fuel filter
becomes clogged, obstructing
fuel flow to carburetor, re-
placement is required,
• With engine cool, remove filter and plug fuel line sections.
° Place new fuel filter in position in fuel line with arrow point-
ing towards carburetor.
° Be sure there are no fuel line leaks and clamps are prop-
erly positioned.
Immediately wipe up any spilled gasoline.
CLAMP
18
FUEL FILTER
FIG, 27
CLEANING
, Clean engine, battery, seat, finish, etc. of all foreign mat-
ter.
• Keep finished surfaces and wheels free of all gasoline, oil,
etc.
• Protect painted surfaces with automotive type wax,
We do not recommend
using a garden hose to clean your
unit unless the electrical system, muffler, air filter and carbu-
retor are covered to keep water out, Water in engine can re-
sult in a shortened engine life,

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