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Craftsman 917.374803 Manual Del Usuario página 14

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Idiomas disponibles

Idiomas disponibles

LAWN
MOWER
Always observe safety rules when per-
forming any maintenance.
Trailing
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.
DRIVE WHEELS
Check rear drive wheels each time you mow
to be sure they move freely. The wheels not
turning freely means trash, grass cuttings,
etc., may be inside the drive wheel and dust
cover area and must be cleaned out to free
drive wheels. If necessary to clean the drive
wheels, check both rear wheels.
BLADE
CARE
For best results, mower blade must be kept
sharp. Replace a bent or damaged blade.
TO REMOVE
BLADE
1.
Disconnect
spark plug wire from spark
plug and place wire where
it cannot
come in contact
with plug.
2.
Turn lawn mower
on its side. Make
sure air filter and carburetor
are up.
3.
Use a wood
block between
blade and
mower
housing
to prevent
blade from
turning
when
removing
blade bolt.
NOTE:
Protect
your hands
with gloves
and/or
wrap blade with heavy cloth.
4.
Remove
blade bolt by turning
counter-
clockwise.
5.
Remove
blade and attaching
hard-
ware (bolt, lock washer
and hardened
washer).
TO REPLACE
BLADE
1.
Position
blade on the blade adapter
aligning
the two (2) holes in the blade
with the raised
lugs on the adapter.
2.
Be sure the trailing
edge of blade (op-
posite sharp
edge) is up toward
the
engine.
3.
Install the blade bolt with the lock
washer
and hardened
washer
into
blade adapter
and crankshaft.
4.
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 heat treated.
If bolt needs
replacing,
replace
only with
approved
bolt shown
in the Repair
Parts
section
of this manual.
Lock-
washer
Hardened
Blade
Blade
washer
bolt
TO SHARPEN
BLADE
NOTE:
We do not recommend
sharpening
the 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.
• To check
blade balance,
drive a nail into
a beam or wall. Leave about
one inch of
the straight
nail exposed.
Place center
hole of blade over the head of the nail.
If blade is balanced,
it should
remain
in
a horizontal
position.
If either
end of the
blade moves
downward,
sharpen
the
heavy end until the blade is balanced.
GRASS
CATCHER
The grass catcher
may be hosed with
water,
but must be dry when
used.
Check
your grass catcher
often for dam-
age or deterioration.
Through
normal
use it will wear.
If catcher
needs
replac-
ing, replace
only with approved
replace-
ment catcher
shown
in the Repair
Parts
section
of this manual.
Give the lawn
mower
model
number
when ordering.
ENGINE
Maintenance,
repair, or replacement of
the emission control devices and systems,
which are being done at the customers ex-
pense, may be performed by any non-road
engine repair establishment
or individual.
Warranty repairs must be performed by an
authorized engine manufacturer's
service
outlet.
14

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