Craftsman 917.379480 - Manual (Page 11)

PRODUCT SPECIFICATIONS
SERIAL NUMBER
DATE OF PURCHASE
GASOLINE CAPACITY/TYPE: 1.0 QUARTS
JNLEADED REGULAR
OIL TYPE (API-SF/SG/SH):
SAE 30 (ABOVE 32“F)
SAE 5W-30 (BELOW 32°F)
OIL CAPACITY: 18.5 OZS.
SPARK PLUG(GAP; .030") CHAMPIONR J19LM OR J19LM
VALVE CLEARANCE: INTAKE: .005" - .007"
EXHAUST: .007" - .009"
SOLID STATE IGNITION
AIR GAP:
.010 IN.
BLADE BOLT TORQUE: 35-40 FT. LBS.
• The model and serial numbers will be found on a decal attached to the rear of the
lawn mower housing.Record both serial number and date of purchase in space
provided above.
LAWN MOWER
Always observe safety rules when
performing any maintenance.
TIRES
• Keep tires free of gasoline, oil, or insect
control chemicals which can harm
rubber,
• Avoid stumps, stones, deep ruts, sharp
objects and other hazards that may
cause tire damage.
BLADE CARE
For best results, mower blade must be
kept sharp. Replace bent or damaged
blades.
TO REMOVE BLADE
• Disconnect spark plug wire from spark
plug and place wire where it cannot
come in contact with spark plug.
• Turn lawn mower on its side. Make
sure air filter and carburetor are up.
• Use a wood block between blade and
mower housing to prevent blade from
turning when removing blade bolt.
• Protect your hands with gloves and/or
wrap blade with heavy cloth.
• Remove blade bolt by turning counter­
clockwise. Use a 9/16" box or open-
end wrench.
• Remove blade and attaching hard­
ware.
TO REPLACE BLADE
• Position the blade adapter on the
engine crankshaft. Be sure the spacer
is in the adaptor and key in shaft and
adaptor keyway are aligned.
• Position blade on the blade adapter.
Be sure the trailing edge of blade
(opposite sharp edge) is up toward the
engine.
• Install the blade bolt with washers into
blade adapter and crankshaft.
• Use block of wood between blade and
lawn mower housing and tighten the
blade bolt, turning clockwise.
• The recommended tightening torque is
35-40 ft. lbs.
IMPORTANT: BLADE BOLT IS GRADE 8
HEATTREATED.
TO SHARPEN BLADE
NOTE: We do not recommend sharpen­
ing blade - but if you do, be sure the
blade is balanced. *
Care should be taken to keep the blade
balanced. An unbalanced blade will
cause eventual damage to lawn mower
or engine.
• The blade can be sharpened with a file
or on a grinding wheel. Do not attempt
to sharpen while on the mower.
11