Troubleshooting - Echo SRM-3020 Operator's Manual

SRM-3020
3. After sharpening teeth, check
each tooth radius for evidence
of a square (sharp) corner. Use
the round (rat tail) file to renew
the radius.

TROUBLESHOOTING

ENGINE PROBLEM TROUBLESHOOTING CHART
Problem Check
Fuel at
carburetor
Fuel at
Engine
cylinder
starts
hard
or
Engine
does not
Spark at
start
end of
plug wire
Spark at
plug
X7502350002
© 2/20 ECHO Incorporated
CUTTING
TOOTH
AREA
Status
Fuel strainer or
No fuel at
fuel line
carburetor
obstructed
No fuel at
Carburetor
cylinder
Muffler wet Fuel mixture
with fuel too rich
Stop switch
OFF - Electrical
problem - Inter-
lock switch
Incorrect gap -
No spark
Covered with
carbon -
Fouled with
fuel - Plug
defective
TROUBLESHOOTING
30º
CUTTING
TOOTH
RADIUS
Cause
Clean or replace
See your dealer
See your dealer
OPEN choke
Clean or replace
air filter
Adjust
carburetor
See your dealer
Turn switch to
ON
See your dealer
Adjust to
0.65mm (0.026
in.)
Clean or replace
plug
GULLET
(RADIUS)
Remedy
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