TROUBLESHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACTYOUR AUTHORIZED SERVICE DEALER.
PROBLEM | POSSIBLE CAUSE | SOLUTION |
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Engine will not start: | 1. No spark. | 1. Check spark. Remove spark plug. Reattach |
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| the spark plug cap and lay spark plug on |
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| metal cylinder. Pull the starter rope and watch |
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| for spark at spark plug tip. If there is no spark, |
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| repeat test with a new spark plug. |
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| 2. No fuel. | 2. Push primer bulb until bulb is full of fuel. If |
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| bulb does not fill, primary fuel delivery system |
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| is blocked. Contact a servicing dealer. If |
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| primer bulb fills, engine may be flooded, |
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| 3. Engine is flooded. | proceed to next item. |
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| 3. Remove spark plug, turn trimmer so spark |
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| plug hole is aimed at the ground. Move choke |
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| lever to “RUN” and pull starter cord 10 to 15 |
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| times. This will clear excess fuel from engine. |
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| Clean and reinstall spark plug. Pull starter |
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| three times with choke lever at “RUN”. If |
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| engine does not start, move choke lever to |
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| “CHOKE” and repeat normal starting proce- |
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| dure. If engine still fails to start, repeat |
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| procedure with a new spark plug. |
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| 4. Starter rope pulls harder now than | 4. Contact a servicing dealer. |
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| when new. |
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Engine starts but will not | Engine requires approximately three | Allow engine to completely warm up. If engine does |
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accelerate: | minutes to warm up. | not accelerate after three minutes, contact a ser- |
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| vicing dealer. |
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Engine starts but will only | Carburetor requires adjustment. | Contact a servicing dealer. |
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run at high speed at half |
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choke: |
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Engine does not reach full speed and emits exces- sive smoke:
1.Check oil fuel mixture.
2.Air filter is dirty.
3.Spark arrestor screen is dirty.
1.Use fresh fuel and the correct
2.Clean air filter. Refer to “Replacing and Cleaning Air Filter” earlier in this manual.
3.Contact a servicing dealer.
Engine starts, runs, and accelerates but will not idle:
Idle speed screw on carburetor needs adjustment.
Turn idle speed screw clockwise to increase idle speed. See Figure 22.
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