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
Содержание PB-211
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