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Page 19
TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.
1. 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.
2. Push primer bulb until bulb is full of fuel. If
bulb does not fill, primary fuel delivery system
is blocked. Contact a servicing dealer. If
primer bulb fills, engine may be flooded,
proceed to next item.
3. 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 proce-
dure. If engine still fails to start, repeat
procedure with a new spark plug.
4. Contact a servicing dealer.
Allow engine to completely warm up. If engine does
not accelerate after three minutes, contact a ser-
vicing dealer.
Contact a servicing dealer.
1. Use fresh fuel and the correct 2-cycle oil mix.
2. Clean air filter. Refer to “Replacing and
Cleaning Air Filter” earlier in this manual.
3. Contact a servicing dealer.
Turn idle speed screw clockwise to increase idle
speed.
See Figure 22.
Engine will not start:
Engine starts but will not
accelerate:
Engine starts but will only
run at high speed at half
choke:
Engine does not reach full
speed and emits exces-
sive smoke:
Engine starts, runs, and
accelerates but will not
idle:
1. No spark.
2. No fuel.
3. Engine is flooded.
4. Starter rope pulls harder now than
when new.
Engine requires approximately three
minutes to warm up.
Carburetor requires adjustment.
1. Check oil fuel mixture.
2. Air filter is dirty.
3. Spark arrestor screen is dirty.
Idle speed screw on carburetor needs
adjustment.