Air Filter Foam Pre-Cleaner; Air Screen; Muffler; Spark Plugs - Craftsman 917.255572 Owner's Manual

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SCREWS
AIR FILTER FOAM PRE-CLEANER (See Fig.
17)
Your engine will not run properly and may be damaged by
using a dirty air filter. Clean the foam pre-€leaner element
after every 25 hours of operation, more often if used in very
dusty, dirty conditions.
- Remove knob and cover.
° Remove cartridge nut and replace cartridge,
- Reassemble and tighten securely.
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 ff used in very dusty, 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 satu-
rate.
BLOWER HOUSING
SCREWS
AIR SCREEN
STARTER
HOUSING
OIL FILL
DIPSTICK
ENGINE COOLING FINS
• Install foam pre-cleaner over paper cartridge.
o Reassemble cover and secure with knobs.
COVER
KNOB _"_
COVER
CARTRIDGE
NUT
PAPER
FOAM
_ CARTRIDGE
AIR CLEANER BASE
FIG, 17
AIR SCREEN (See Fig. 18)
SCREWS
SPARK
PLUG
IN-LINE FUEL FILTER (See Fig. 19)
Fuelfilter should be replaced once each season° Iffuelfllter
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.
• Be sure there are no fuel line leaks and clamps are
properly positioned_
The engine 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 stubborn
dried gum fibers.
ENGINE COOLING FINS (See Fig. 18)
Remove any dust, dirt or oil from engine cooling fins to
prevent engine damage from overheating.
. Remove oil fill dipstick and cover opening to prevent
entry of dirt.
• Remove screws from bfower housing and lift housing
off engine,
• Remove the screws securing the starter housing and
lift housing off engine.
• Use compressed air or stiff bristle brush to thoroughly
clean engine cooling fins.
• To reassemble, reverse above procedure
. Immediately wipe up any spilled gasoline.
(__---_ FUEL
__ FILTER
18
FIG. 19
CLEANING
• Clean engine, battely, seat, finish, etc, of all foreign
rnatter_
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 ctean your
unit unless the electrical system, muffler, air filter and
carburetor are covered to keep water out. Water in engine
can result in a shortened engine life,
SPARK PLUGS
Replace spark plugs at the beginning of each mowing
season or after every 100 hours of use, whichever comes
first. Spark plug type and gap setting is shown in "PROD-
UCT SPECIFICATIONS on page 3 of this manual
FIG. 18
MUFFLER
Inspect and replace corroded muffler and spark arrester (if
equfpped) as it could create a fire hazard and/or damage,