Troubleshooting Guide (continued)
ADDITIONAL PROBLEMS
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| Clogged air filter. |
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| Clean or replace the air filter. |
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| Replace the fuel filter. | |
| Poor acceleration. |
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| Clogged fuel filter. |
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| Lean fuel/air mixture. |
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| servicing dealer. | |
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| Idle speed set too low. |
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| Adjust idle. Check Specifications page for |
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| correct idle speed. |
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| Switch turned off. |
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| Reset the switch and |
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| Fuel tank empty. |
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| Refuel. See Fuel section of manual. |
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| Engine stops abruptly. |
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| Clogged fuel filter. |
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| Replace fuel filter. | |
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| Water in the fuel. |
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| Drain; replace with clean fuel. See Fuel | ||
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| section of manual.. |
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| Shorted spark plug or loose terminal. |
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| Clean or replace spark plug. Check the |
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| proper spark plug for your unit. Tighten |
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| the terminal. |
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| Ignition failure. |
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| Replace the ignition unit. |
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| Piston seizure. |
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| servicing dealer |
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| Ground (stop) wire is disconnected or |
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| Test and replace as required. |
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| switch is defective |
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| Engine difficult to |
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| Overheating due to incorrect spark plug |
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| Replace the spark plug. Check the |
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| shut off. |
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| Specifications page in this manual for the | ||
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| proper spark plug for your unit. |
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| Overheated engine. |
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| Idle engine until cool. |
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Top of engine is getting dirty and oily.
Valve cover is leaking.
Consult with an authorized servicing dealer.
| Engine will not |
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| Idle set too high. |
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| Adjust idle. Check Specifications page for | |||
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| correct idle speed. | |||
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| idle down. |
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| Engine has an air leak. |
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| Consult with an authorized servicing dealer. | |
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| Engine idle too high. |
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| Adjust idle. Check Specifications page for | |||
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| Cutting attachment |
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| correct idle speed. | |
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| Broken clutch spring or worn clutch |
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| Replace spring/shoes as required, | |||||
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| moves at engine idle. |
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| spring boss. |
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| check idle speed. | |||
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| Loose attachment holder. |
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| Inspect and | |||
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| Warped or damaged attachment. |
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| Inspect and replace attachment | |||
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| Excessive vibration. |
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| as required. | |
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| Loose gearcase. |
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| Tighten gearcase securely. | ||||
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| Bent main shaft/worn or damaged |
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| Inspect and replace as necessary. | |||
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| bushings. |
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| Shaft not installed in powerhead or |
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| Inspect and reinstall as required. | |||
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| Cutting attachment will |
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| gearcase. |
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| Broken shaft. |
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| not move. |
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| Damaged gearcase. |
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| servicing dealer. | ||||||
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20
