Troubleshooting - Echo PB-2550 Operator's Manual

Trouble
Engine - starts hard
- does not start
Engine Fuel at
Cranks carburettor
Fuel at
cylinder
Spark at
end of
plug wire
Spark at
plug
Engine
does not
crank
Engine Dies or
runs accelerates poorly
ALL BLOWER SERVICE, OTHER THAN ITEMS LISTED IN THE OPERATOR'S MANUAL, SHOULD
BE PERFORMED BY COMPETENT SERVICE PERSONNEL.

TROUBLESHOOTING

Cause
No fuel • Fuel filter clogged
at carburettor • Fuel line clogged
• Carburettor
No fuel at • Carburettor
cylinder
Silencer wet • Fuel mixture is
with fuel too rich
No spark at • Ignition switch off
end of plug • Electrical problem
wire • Safety interlock
not engaged
No spark at • Spark gap incorrect
plug • Covered with carbon
• Fouled with fuel
• Spark plug defective
• Internal engine
problem
• Air filter dirty
• Fuel filter dirty
• Fuel vent plugged
• Spark plug
• Carburettor
• Cooling system
plugged
• Exhaust port/spark
arrester screen
plugged
WARNING
45
Remedy
• Clean or replace.
• Clean.
• Ask your ECHO dealer.
• Ask your ECHO dealer.
• Open choke.
• Clean/replace air filter.
• Adjust carburettor.
• Ask your ECHO dealer.
• Turn switch on.
• Ask your ECHO dealer.
• Tighten grid cover, check vacuum
tube attachment
• Adjust 0.6 to 0.7 mm
• Clean or replace.
• Clean or replace.
• Replace plug.
• Ask your ECHO dealer.
• Clean or replace.
• Clean or replace.
• Clean.
• Clean and adjust/replace.
• Adjust.
• Clean.
• Clean.
DANGER
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S
H
F
R
A
N
Ç
A
I
S
D
E
U
T
S
C
H
I
T
A
L
I
A
N
O