Carburetor Adjustment - Craftsman 358.798550 Manual Del Usuario

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ADVANCING
THE CUTTING
LINE
Advance line by tapping bottom of cut-
ting head lightly on the ground while
engine is running at full speed. A metal
blade attached to the shield will cut the
line to the proper length.
REPLACING
THE LINE
• Remove the spool by firmly pulling
on the tap button.
• Clean entire surface of hub and
spool.
• Replace with a pre-wound spool, or
cut a length of 20 feet of .080" (2
mm) diameter Craffsmane brand
line. Never use wire, rope, string,
etc., which can break off and be-
come a dangerous missile.
° insert one end of the line about 1/2
inch (1 cm) into the small hole inside
the spool.
• Wind the line evenly and tightly onto
the spool. Wind in the direction of the
arrow found on the spool.
• Push the line into the notch, leaving
3 to 5 inches (7 - I2 cm) unwound.
• Insert the line into the exit hole in the
hub as shown in the illustration.
• Align the notch with the line exit hole.
• Push the spool into the hub until it
snaps into place.
• Pull the line extending outside the
hub to release it from the notch.
Small
_-z_.
Spool
Line in
_
_
Line exit hole
CARBURETOR
ADJUSTMENT
WARNING:
The trimmer head will be
spinning during most of this procedure.
Wear your protective equipment and
observe all safety precautions. After
making mixture adjustments,
recheck
idle speed.
Carburetor adiustment is critical and if
done improperly can permanently
damage the engine as well as the car-
buretor. If you require further assis-
tance or are unsure about performing
this procedure, call our customer as-
sistance help line at 1-800-235-5878.
Old fuel, a dirty air filter, a dirty fuel fil-
ter, or flooding may give the impres-
sion of an improperly adjusted carbu-
retor. Check these conditions before
adjusting the carburetor.
The carburetor has been carefully set
at the factory. Adjustments may be
necessary if you notice any of the fol-
lowing conditions:
• Engine will not idle. See "Idle Speed"
under adjusting procedure.
• Engine dies or hesitates instead of
accelerating. See "Acceleration
Check" under adjusting procedure.
• Loss of cutting power. See "Mixture
Adjustment" under adjusting
procedure,
There are two adjustment screws on
the carburetor. They are located in the
area just above the primer bulb,
MixtureScrew (with --
l
Limiter Cap)
Idle
Speed
Screw
Air Filter
Cover
CARBURETOR
PRESETS
When making carburetor preset adjust-
ments, do not force plastic limiter caps
beyond stops or damage may occur.
If carburetor presets are not needed,
proceed to "Adjusting Procedure, Idle
Speed."
To adjust presets:
• Turn mixture screw counterclockwise
until it stops.
° Turn the idle speed screw clockwise
until it stops. Now turn counterclock-
wise 4-1/2 turns.
• Start motor, cut grass for 3 minutes,
and proceed to the adjustment
section. If engine does not start,
10

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