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X7531125702 35
© 5/2016 ECHO Inc.
PB-755S H/T 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
runs,
but dies
or
does not
acceler-
ate
properly
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
See your Echo
dealer
Cooling
System
Cooling
system dirty/
plugged
Extended oper-
ation in dirty/
dusty locations
Clean
Spark
Arrestor
Screen
Spark arrestor
screen
plugged
Normal wear Replace
Engine
does not
crank
N/A N/A
Internal engine
problem
See your Echo
dealer
Engine
runs,
blower
doesn't
work or
is weak/
uneven
Blower
pipe
Pipe clogged
Build-up of
debris
Unclog
Pipe loose Vibration Tighten
Pipe
damaged
Wear/Misuse Replace
ENGINE PROBLEM TROUBLESHOOTING CHART
Problem Check Status Cause Remedy
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