Echo CS-500P, Operator'S Manual

Page: 29 / 32

29 CS-500P
TROUBLESHOOTING
WARNING
Fuel vapors are extremely fl ammable and
may cause fi re and/or explosion. Never test
for ignition spark by grounding spark plug
near cylinder plug hole, otherwise serious
personal injury may result.
Problem
Engine — hard to start Cause Remedy
— does not start
Engine
cranks Fuel at
carburetor No fuel at
carburetor • Fuel fi lter clogged • Clean or replace
• Fuel line clogged • Clean
• Carburetor • Ask your ECHO dealer
Fuel at
cylinder No fuel at
cylinder • Carburetor • Ask your ECHO dealer
Muffl er wet with
fuel • Fuel mixture is too rich • Open choke
• Clean / replace air fi lter
• Adjust carburetor
• Ask your ECHO dealer
Spark at end
of plug wire No spark at end
of plug wire • Ignition switch off • Turn switch on
• Electrical problem • Ask your ECHO dealer
Spark at plug No spark at plug • Spark gap incorrect • Adjust 0.6 to 0.7 mm
• Covered with carbon • Clean or replace
• Fouled with fuel • Clean or replace
• Spark plug defective • Replace plug
Engine
does not
crank • Internal engine problem • Ask your ECHO dealer
Engine
runs Dies or accelerates poorly • Air fi lter dirty • Clean or replace
• Fuel fi lter dirty • Clean or replace
• Fuel vent blocked • Clean
• Spark plug • Clean and adjust / replace
• Carburetor • Adjust
• Cooling system blocked • Clean
• Exhaust port / spark
arrestor screen blocked
• Clean