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TROUBLE CAUSE REMEDY
Engine will not
start.
S
Engine flooded.
S
Fuel tank empty.
S
Spark plug not firing.
S
Fuel not reaching carburetor.
S
Carburetor requires adjustment.
S
See “Starting.”
S
Fill tank with correct fuel mixture.
S
Install new spark plug.
S
Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
S
See “Carburetor Adjustments.”
Engine will not
idle properly.
S
Carburetor requires adjustment.
S
Throttle trigger screw too
tight.
S
See “Carburetor Adjustments.”
S
Loosen screw.
S
Air filter dirty.
S
Spark plug fouled.
S
Carburetor requires adjustment.
Engine will not
accelerate,
lacks power,
or dies under
a load.
S
Clean or replace air filter.
S
Clean or replace spark plug; re-gap.
S
See “Carburetor Adjustments.”
Engine
smokes
excessively.
S
Fuel mixture incorrect.
S
Air filter dirty.
S
Carburetor requires adjustment.
S
Empty fuel tank and refill with
correct fuel mixture.
S
Clean or replace air filter.
S
See “Carburetor Adjustments.”
Line does not
advance or
breaks while
cutting.
S
Line improperly routed in head.
S
Line improperly wound on
spool.
S
Line size incorrect.
S
Check line routing.
S
Rewind line tightly and evenly.
S
Use only 0.080” (2 mm) dia. line.
TROUBLESHOOTING TABLE
WARNING:
Always stop unit and disconnect spark plug before performing any of th
e
recommended remedies below other than remedies that require operation of the unit.
Line welds
onto spool.
Line pulls
back into
head.
S
Line size incorrect.
S
Incorrect spool.
S
Line is being crowded against
material being cut.
S
Use only 0.080” (2 mm) dia. line.
S
Replace with correct spool.
S
Cut with tip of line fully extended.
S
Too little line outside of head.
S
Line size incorrect.
S
Remove spool and pull 4 inches
(10 cm) of line outside of head.
S
Use only 0.080” (2 mm) dia. line.