Maintenance; Cooling System; Air Cleaner; Spark Plug - Craftsman 917.298231 Owner's Manual

MAINTENANCE
DISCONNEC'f SPARK PLUG WIRE
FROM SPARK PLUG BEFORE PER-
FORMING ANY MAINTENANCE (EX-
CEPT CARBURETOR ADJUSTMENT )
TO PREVENT ACCIDENTAL START-
ING OF ENGINE.
PREVENT FIRES! KEEP THE ENGINE
FREE OF GRASS, LEAVES, SPILLED
OIL, OR FUEL. REMOVE FUEL. FROM
TANK BEFORE TIPPING UNIT FOR
MAINTENANCE. CLEAN MUFFLER
AREA OF ALL GRASS, DIRT, AND DE-
BRIS.
DO NOT ]-OUCH HOT MUFFLER OR
CYLINDER FINS AS CONTACT MAY
CAUSE BURNS.
COOLING SYSTEM
Your Engine is air cooled. For proper Engine pedormance
and long life KEEP YOUR ENGINE CLEAN.
•Clean Air Screen (Fig 14) frequently using a stiff bristled
brush
• Remove Blower' Housing and clean as necessary
• Keep Cylinder Fins free of dirt and chaff.
CYLINDER
MUFFLER FINS
BLOWER
HOUSING
AIR SCREEN
FIGURE 14
AIR CLEANER
Replace Air Cleaner Cartridge every twenty-five hours,
more often if Engine is used in very dusty conditions
• Loosen Air Cleaner Screws, one on each side ol Cover
(Fig 15).
AIR
CLEANER
SCREW
COVER
AIR CLEANER
CARTRIDGE
FIGURE 15
• Remove Air Cleaner Cover
• Carefully remove Air Cleaner Cartridge. Be careful Do
not allow did or debris to fall into Carburetor
• Install new Air Cleaner Cadridge Clean and replace
Cover Tighten Screws securely
MUFFLER
Do not operate Tiller without Muffler. Do not tamper with
exhaust system. Damaged Mufflers or Spark Arresters
could create a fire hazard. Inspect periodically and re-
place if necessary. If your Engine is equipped with a Spark
Arrester Screen Assembly, remove every 50 hours for
cleaning and inspeclion_ Replace if damaged.
SPARK PLUG
• The Spark Plug should be changed every 50 hours of
operation or at the beginning of every tilling season.
• Set gap at .030" (Fig, 16), Order Spark Plug listed in the
Repair Pads Seclion of this Manual
SPARKING CAN OCCUR IF SPARK
PLUG WIRE TERMINAL, DOES NOT
FIT FIRMLY ON SPARK PLUG. RE-
FORM TERMINAL IF NECESSARY.
.030" FEELER
GAUGE
f_
/--%_
SPARK PLUG
FIGURE 16
13