TROUBLE SHOOTING CHART
Engine overheats.
Engine cooling system | Clean debris screen and |
clogged. | engine cooling fins. |
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Carburetor out of adjustment. | Adjust carburetor. Take the |
| unit to an authorized Service |
| Center. |
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| Oil level is low. | Add oil. |
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Engine will not stop | Defective throttle control | Inspect and replace |
running. | lever or wire. | damaged parts. |
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| Throttle not adjusted | Move throttle to the full OFF |
| properly. | position. |
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Poor trimming | Trimmer line length is too | Correct line length is 21.5 |
performance. | short. | inches. When less than 1/2 |
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| this length, replace the line. |
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| Engine not set at FAST | Move engine throttle lever to |
| speed. | FAST position. |
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Trimmer vibrates. | Set screw for trimmer head | Tighten set screw with |
| is loose. | |
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| Trimmer line lengths are | Adjust trimmer line to |
| substantially different. | approximately equal lengths. |
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| Loose nuts or bolts. | Check all bolts and nuts, |
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| including engine bolts. |
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| Broken trimmer head. | Replace broken part. |
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Trimmer head does not | Trimmer line not properly | Follow instructions on decal |
retain line | attached. | or in the Service section of |
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| the owner’s manual. |
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| Broken line retainer. | Replace trimmer head |
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| assembly. |
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| Trimmer line not correct size. | Use a 0.155 inch diameter |
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| trimmer line. |
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