TROUBLESHOOTING
IF THESE SOLUTIONS DO NOT SOLVE THE PROBLEM CONTACT YOUR AUTHORIZED SERVICE DEALER.
PROBLEM | POSSIBLE CAUSE | SOLUTION |
Engine will not start | No spark. | Clean or replace spark plug. Reset |
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| spark plug gap. Refer to Spark Plug |
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| Replacement earlier in this manual. |
| No fuel. | Push primer bulb until bulb is full of fuel. |
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| If bulb does not fill, primary fuel delivery |
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| system is blocked. Contact a service |
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| dealer. If primer bulb fills, engine may |
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| be flooded, proceed to next item. |
| Engine is flooded. | Set the start lever to the START position. |
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| Squeeze the trigger and pull the rope |
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| repeatedly until the engine starts and |
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| runs. |
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| NOTE: Depending on the severity of |
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| the flooding, this may require numerous |
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| pulls of the rope. |
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Engine does not reach full speed and | Air filter screen is dirty. | Clean air filter screen. Refer to Clean- |
emits excessive smoke |
| ing Air Filter Screen earlier in this |
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| manual. |
| Spark arrestor screen is dirty. | Contact a servicing dealer. |
| Spark plug fouled. | Clean or replace spark plug. Reset |
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| spark plug gap. Refer to Spark Plug |
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| Replacement earlier in this manual. |
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Engine starts, runs, and accelerates | Idle speed screw on carburetor needs | Turn idle speed screw clockwise to |
but will not idle | adjustment. | increase idle speed. See Figure 28. |
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Line will not advance | Line is welded to itself. | Replace line. Refer to the applicable line |
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| replacement section in this manual. |
| Not enough line on spool. | Install more line. Refer to the appli- |
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| cable line replacement section in this |
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| manual. |
| Line is worn too short. | Pull lines while alternately pressing |
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| down on and releasing spool retainer. |
| Line is tangled on spool. | Remove line from spool and rewind. |
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| Refer to the applicable line replacement |
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| section in this manual. |
| Engine speed is too slow. | Advance line at full throttle. |
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Spool retainer hard to turn | Screw threads are dirty or damaged. | Clean threads and lubricate with grease |
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| - if no improvement, replace the spool |
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| retainer. |
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Grass wraps around driveshaft housing | Cutting tall grass at ground level. | Cut tall grass from the top down to |
and string head |
| prevent wrapping. |
| Operating trimmer at part throttle. | Operate trimmer at full throttle. |
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13 — English
