Echo X750-006 - Manual (Page 21)

21
P
OWER
B
LOWER
O
PERATOR
’
S
M
ANUAL
T
ROUBLESHOOTING
WARNING DANGER
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by ground-
ing spark plug near cylinder plug hole, otherwise serious personal injury may result.
Problem Check Status Cause Remedy
Fuel at carburetor No fuel at carburetor Fuel strainer clogged Clean or replace
Fuel line clogged Clean or replace
Carburetor Ask your ECHO dealer
Fuel at cylinder No fuel at cylinder Carburetor Ask your ECHO dealer
Muffler wet with fuel Fuel Mixture is too rich Open choke
Clean/replace air filter
Adjust carburetor
Ask your ECHO dealer
No spark Stop switch off Turn switch to ON
Electrical problem Ask your ECHO dealer
Spark at plug No spark Spark gap incorrect Adjust to 0.65 mm (0.026 in.)
Covered with carbon Clean or replace
Fouled with fuel Clean or replace
Plug defective Replace plug
Air filter Air filter dirty Normal wear Clean or replace
Fuel filter Fuel filter dirty Contaminants/residues
in fuel Replace
Fuel vent Fuel vent plugged Contaminants/residues
in fuel Clean or replace
Spark plug Plug dirty/worn Normal wear Clean and adjust or replace
Carburetor Improper adjustment Vibration Adjust
Cooling system Cooling system
dirty/plugged
Extended operation in
dirty/dusty locations Clean
Spark arrestor
screen
Spaek arrestor screen
plugged
Normal wear Replace
Engine does not
crank
N/A N/A Internal engine problem Ask your ECHO dealer
Blower pipe Pipe clogged Build-up of debirs Unclog
Pipe loose Vibration Tighten
Pipe damaged Wear/Misuse Replace
TROUBLESHOOTING CHART
Engine cranks -
starts hard/
doesn't start
Engine runs, but
dies or does not
accelerate
properly
Engine runs,
blower doesn't
work or is
weak/uneven
Spark at end of plug
wire