Product Specifications - Craftsman 917.377880 Owner's Manual

6.5 horsepower 21" multi-cut power propelled rotary lawn mower
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PRODUCT
SPECIFICATIONS
SERIAL
NUMBER
DATE OF PURCHASE
GASOLINE
CAPACITY/TYPE:
1.6 QUARTS
JNLEADED
REGULAR
SAE 30 (ABOVE
32°F)
SAE 5W-30
IBELOW
32°F)
20 OZS.
OIL TYPE (API-SF/SG/SH):
OIL CAPACITY:
SPARK
PLUGIGAP:
.030")
CHAMPION
RJ19LM
or J19LM
VALVE
CLEARANCE:
INTAKE:
.004 - .008
EXHAUST:
.004 - .008
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 MOWlER
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.
• 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 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.
IMPORTANT:
BLADE
BOLT IS GRADE 8
H EAT TREATED.
TO SHARPEN
BLADE
NOTE"
We do not recommend
sharpening
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.
12

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