Specifications; Blade Care - Craftsman 917.389380 Owner's Manual

6.0 horsepower 21" multi-cut rotary lawn mower
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PRODUCT
SPECIFICATIONS
MODEL
NUMBER
SERIAL
NUMBER
DATE OF PURCHASE
HORSEPOWER:
GASOLINE
CAPACITY/TYPE:
OILTYPE
(API-SF/SG/SH):
OIL CAPACITY:
SPARK
PLUG(GAP:
.030")
VALVE CLEARANCE:
SOLID STATE IGNITION
AIR GAP:
BLADE
BOLT TORQUE:
917.389380
6.0
1.6 QUARTS
UNLEADED
REGULAR
SAE 30 (ABOVE
32°F)
SAE 5W-30
(BELOW
32°F)
20 OZS.
CHAMPION
RJ19LM
OR J19LM
INTAKE:
.004 - .008
EXHAUST:
.004 - .008
.0125 IN.
35-4O 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 MOWB:I
Always observesafety 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 damaqe.
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.
Remove
blade and attaching
hardware
(bolt, lock washer
and hardened
washer).
NOTE:
Remove
the blade adapter
and
check the key inside
hub of blade adapter.
The key must be in good condition
to work
properly.
Replace
adapter
ff damaged.
TO REPLACE
BLADE
• Position the blade adapter
on the
engine crankshaft.
Be sure key in
adapter
and crankshaft
keyway are
aligned.
• Position
blade on the blade adapter
aligning
the two (2) holes
in the blade
with the raised lugs on the adapter.
• Be sure the trailing
edge of blade
(opposite
sharp edge) is up toward
the
engine.
• Install the blade bolt with the lock
washer
and hardened
washer
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. Ibs.
11

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