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CS-510
Problem
Engine starts hard Cause Remedy
does not start
Engine Fuel at No fuel • Fuel strainer clogged • Clean
Cranks carburettor at carburettor • Fuel line clogged • Clean
• Carburettor • Ask your ECHO dealer
Fuel at No fuel at • Carburettor • Ask your ECHO dealer
cylinder cylinder
Muffler wet • Fuel mixture is too rich • Open choke
with fuel • Clean/replace air filter
• Adjust carburettor
• 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 • Replace
• Fuel vent blocked • Clean
• Spark plug • Clean and adjust/replace
• Carburettor • Adjust
• Cylinder fins blocked • Clean
• Exhaust port port/spark • Clean
arrestor screen blocked
TROUBLE SHOOTING
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