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TROUBLESHOOTING
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
Engine
starts
hard
Fuel at
or Engine
carburetor
does not
start
42
Status
Fuel strainer or
No fuel at
fuel line
carburetor
obstructed
PB-580H/T
4-6 mm
Cause
Clean or replace
See your dealer
© 1/20 ECHO Incorporated
Remedy
X7505200609
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