G
RASS
T
RIMMER
/B
RUSH
C
UTTER
O
PERATOR
'
S
M
ANUAL
33
TROUBLESHOOTING
Problem
Engine -- starts hard
Engine -- does not start Cause Remedy
Engine
Cranks Fuel at
carburetor No fuel at
carburetor Fuel strainer clogged
Fuel line clog ged
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
Interlo ck switch
Turn switch on
See your ECHO dealer
See your ECHO dealer
Spark at plug No spark
at plug Spark gap incorrect
Covered w i th ca rb o n
Fouled with fuel
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 EC HO dealer
Engine
runs Dies or accelerates poorly Air filter dirty
Fuel filter dirty
Fuel ve nt p lugged
Spark plug
Carburetor
Cooling system plugged
Spark arrestor screen
plugged
Clean or replace
Replace
Replace
Clean and adjust/replace
Adjust
Clean
Clean
WARNING DANGER