TROUBLESHOOTING HC-155
34 X7502259500
© 11/2017 ECHO Inc.
1. Tighten blade screws securely.
2. Hold blade screws (A) to
prevent turning, and tighten
lock nuts (B).
TROUBLESHOOTING
Fuel vapors are extremely flammable and may cause fire and/or
explosion. Never test for ignition spark by grounding spark plug
near cylinder plug hole, otherwise serious personal injury may
result.
ENGINE PROBLEM TROUBLESHOOTING CHART
Problem Check Status Cause Remedy
Engine
starts
hard
or Engine
does not
start
Fuel at
carburetor
No fuel at
carburetor
Fuel strainer or
fuel line
obstructed
Clean or replace
See your Echo
dealer
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