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Craftsman 917.389390 Manual Del Usuario página 11

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PRODUCT SPECIFICATIONS
MODEL
NUMBER
917,389390
SERIAL
NUMBER
DATE OF PURCHASE
HORSEPOWER:
6,0
GASOLINE
CAPACITY/TYPE:
1.6 QUARTS
UNLEADED
REGULAR
OILTYPE
(API-SFISGISH):
SAE 30 (ABOVE
32°F)
SAE 5W-30
(BELOW
32°F)
OIL CAPACITY:
20 OZ&
SPARK
PLUG(GAP:
.030")
CHAMPION
RJt9LM
OR J19LM
VALVE CLEARANCE:
INTAKE:
.004 - .008
EXHAUST:
.004 - .008
SOLID STATE IGNITION
AIR GAP:
.0125 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
housingoRecord
both serial
number
and date of purchase
in space
provided
above.
LAWN MOWER
Always observe safety rules when performing
any maintenance.
TIRES
• Keep Uresfree 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 damacle.
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
if 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
tugs 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. lbs.
11

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