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| Power PrunerTM | 33 | ||
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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 |
| 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.
