Sears Craftsman WEEDWACKER 517.798580 Operator's Manual página 11

Problem
Engine will not
start:
Cause
1. No spark.
2. No fuel.
3. Flooded engine.
Correction
,
.
4. Muffler exhaust tube
plugged.
5. Starter rope pulls
harder now than when
new.
Engine starts but
wild not accelerate:
Engine starts but
will only run at high
speed at half
choke:
Carburetor requires
adjustment.
Carburetor requires
adjustment.
.
Check spark. Remove spark plug.
Reattach the spark plug cap and
lay spark plug on metal cylinder.
Pull the starter rope and watch for
spark at spark plug tip, If there is
no spark, repeat test with a new
spark plug.
Push primer bulb until bulb is full
of fuel. If bulb does not fill,
primary fuel delivery system is
blocked. Contact a Sears Service
Center. If primer bulb fills, engine may be flooded (see next item).
Remove spark plug, turn trimmer
so spark plug hole is aimed at the
ground. Move choke lever to
"RUN" and pull starter cord 10 to
15 times. This will clear excess
fuel from engine. Clean and
reinstall spark plug. Pull starter
three times with choke lever at
"RUN". If engine does not start,
move choke lever to "CHOKE"
and repeat normal starting
procedure. If engine still fails to
start, repeat procedure with a
new spark plug.
4. Clean tube with a small screw-
driver or wire. Note: Some insects
may build nests in muffler tube
while trimmer is being stored,
5. Contact a Sears Service Center.
Turn "L" needle (A) counterclock-
wise 1/16 turn.
Turn "H" needle (B) counterclock-
wise 1/16 turn.
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