Echo CS-680 User Manual download pdf (Page 31)

CS-680

TROUBLESHOOTING

Problem

Engine — hard to start Cause Remedy

— does not start

Engine Fuel at No fuel • Fuel filter clogged • Clean or replace

cranks carburetor at carburetor • Fuel line clogged • Clean

• Carburetor • Ask your ECHO dealer

Fuel at No fuel at • Carburetor • Ask your ECHO dealer

cylinder cylinder

Muffler wet • Fuel mixture is too rich • Open choke

with fuel • Clean/replace air filter

• Adjust carburetor

• Ask your ECHO dealer

Spark at No spark at • Ignition switch off • Turn switch on

end of end of plug • Electrical problem • Ask your ECHO dealer

plug wire wire

• Spark gap incorrect • Adjust 0.6 mm to 0.7 mm

Spark at No spark at (0.024 to 0.028 in.)

plug plug • Covered with carbon • Clean or replace

• Fouled with fuel • Clean or replace

• Spark plug defective • Replace plug

Engine • Internal engine problem • Ask your ECHO dealer

does not

crank

Engine Dies or • Air filter dirty • Clean or replace

runs accelerates poorly • Fuel filter dirty • Clean or replace

• Fuel vent blocked • Clean

• Spark plug • Clean and adjust/replace

• Carburetor • Adjust

• Cooling system blocked • Clean

• Exhaust port/spark • Clean

arrestor screen blocked

WARNING

Fuel vapors are extremely flammable and

may cause fire and/or explosion. Never test

for ignition spark by grounding spark plug

near cylinder plug hole, otherwise serious

personal injury may result.

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Echo CS-680 User Manual Page 31