Craftsman 917.257281 Owner's Manual page 17

AIR FILTER FOAM PRE-CLEANER
(See Fig. 14)
Your engine will not run properly and may be damaged by
using a dirtyair filter. Clean the foam pre-cleaner element
after every 25 hoursof 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 tf used in very dusty, dirty
conditions,
- Wash foam pre-cleaner in liquid detergent and water.
. Wrap foam pre-cleaner in cloth and squeeze dry.
o Lightly coat foam pre-cleaner with clean engine oil.
Squeeze in towel to remove excess olt. Do not satu-
rate,
• Install foam pre-cleaner over paper cartridge.
• Reassemble cover and secure with knobs.
CARTRIDGE
NUT
FOAM
PRE.CLEANER
PAPER
CARTRIDGE
AIR CLEANER BASE
FIG. 14
AIR SCREEN (See Fig. 15)
The engine air screen must be kept free of dirtand chaffto
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. 15)
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 blower housing and lift housing
off engine.
o Remove the screws securing the starter housing and
lift housing off engine.
• Use compressed air or stiff bristle brush to thoroughly
clean engine coolingfins°
, To reassemble, reverse above procedure.
17
SCREWS
BLOWER HOUSING
STARTER
HOUSING
OIL FILL
DIPSTICK
ENGINE COOLING RNS
FIG. 15
SPARK
PLUG
SPARK PLUGS
Replace spark plugs at the beginning of each mowing
season or after every 100 hours of use, whichever comes
first. Sp; J gtypeark plu e and gap setting is shown in "PROD-
UCT SPECIFICATIONS" on page3 of this manual.
IN-UNE FUEL FILTER (See Fig. 16)
FuelfUtershouldbe replaced once each season. Iffuelfilter
becomes clogged, obstructingfuel 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.
• Immediately wipe up any spilled gasoline.
FUEL
FILTER
FIG. 16
CLEANING
° Clean engine, battery, seat, finish, etco of all foreign
matter,
° 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
carburetor are covered to keep water out÷ Water In engine
can result in a shortened engine life.
MUFFLER
inspectand replace corroded mufflerand spark arrester (if
equipped) as tt could create a fire hazard and/or damage.