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| Grass Trimmer/Brush Cutter | 31 | ||||
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| Operator's Manual | ||||
Troubleshooting |
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| ENGINE PROBLEM TROUBLESHOOTING CHART |
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| Problem | Check | Status |
| Cause | Remedy |
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| Fuel at carburetor | No fuel at carburetor |
| Fuel strainer clogged | Clean or replace |
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| Fuel line clogged | Clean or replace |
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| Carburetor | See your Echo dealer |
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| Fuel at cylinder | No fuel at cylinder |
| Carburetor | See your Echo dealer |
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| Engine |
| Muffler wet with fuel |
| Fuel Mixture too rich | Open choke |
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| Clean/replace air filter |
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| cranks - |
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| Adjust carburetor |
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| starts hard/ |
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| See your Echo dealer |
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| doesn't |
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| Spark at end | No spark |
| Stop switch off | Turn switch to ON |
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| start |
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| of plug wire |
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| Electrical problem | See your Echo dealer |
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| Interlock switch | See your Echo dealer |
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| Spark at plug | No spark |
| Spark gap incorrect | Adjust to .65mm (0.026 in.) |
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| Covered with carbon | Clean or replace |
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| Fouled with fuel | Clean or replace |
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| Plug defective | Replace plug |
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| Air filter | Air filter dirty |
| Normal wear | Clean or replace |
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| Fuel filter | Fuel filter dirty |
| Contaminants/residues in | Replace |
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| fuel |
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| Engine runs, | Fuel vent | Fuel vent plugged |
| Contaminants/residues in | Clean or replace |
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| fuel |
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| but dies or |
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| Spark Plug | Plug dirty/worn |
| Normal wear | Clean and adjust or replace |
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| does not |
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| accelerate |
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| Carburetor | Improper adjustment |
| Vibration | Adjust |
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| properly |
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| Cooling System | Cooling system |
| Extended operation in | Clean |
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| dirty/plugged |
| dirty/dusty locations |
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| Spark Arrestor | Spark arrestor |
| Normal wear | Replace |
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| Screen | screen plugged |
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| Engine does | N/A | N/A |
| Internal engine problem | See your Echo dealer |
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| not crank |
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DANGER
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by ground- ing spark plug near cylinder plug hole, otherwise serious personal injury may result.
