GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL 35
TROUBLESHOOTING
Problem
Engine -- sta rts ha rd
Engine -- does not start
Cause
Remedy
Engine
Cranks
Fuel at
carburetor
No fuel at
carburetor
Fuel strainer clogged
Fuel line clogged
Carburetor
Clean
Clean
See your ECHO dealer
Fuel at
cylinder
No fuel at
cylinder
Carburetor
See your ECHO dealer
Muffler wet
with fuel
Fuel Mixture is too rich
Open choke
Clean/replace air filter
Adjust carburetor
See your ECHO dealer
Spark at end
of plug wire
No spark
at end of
plug wire
Stop switch off
Electrical problem
Turn s witch o n
See your ECHO dealer
Spark at plug
No spark
at plug
Spark gap incorrect
Covered with carbon
Fouled w i th fue l
Spark plug defective
Adjust 0.65mm (0.026in.)
Clean or replace
Clean or replace
Replace plug
Engine
does not
crank
Internal engine problem
See your ECHO dealer
Engine
runs
Dies or accelerates poorly
Air filter dirty
Fuel filter dirty
Fuel vent plugged
Spark plug
Carburetor
Cooling system plugged
Spark arrestor screen
plugged
Clean or replace
Replace
Replace
Clean and adjust/replace
Adjust
Clean
Clean

WARNING DANGER

Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark near an open

spark plug opening, otherwise serious personal injury may result.