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TROUBLESHOOTING
PB-580H/T
42
X7505200609
© 1/20 ECHO Incorporated
2.
Turn Adjustment Screw until
Throttle Trigger free play is
4 - 6 mm (3/16-1/4 in.).
3.
After adjustment, squeeze and
release Throttle Trigger several
times to verify Carburetor
Throttle Shaft has full range of
movement from idle to wide
open throttle positions.
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 dealer
4-6 mm