Troubleshooting - Echo Power Pruner PPT-266LA Operator's Manual

TROUBLESHOOTING

TROUBLESHOOTING
ENGINE PROBLEM TROUBLESHOOTING CHART
Problem Check
Fuel at
carburetor
Engine
Fuel at
cylinder
starts hard
or
Engine
does not
Spark at end
start
of plug wire
Spark at plug
Engine runs,
Air filter
but dies
Fuel filter
or
Engine does
not
Fuel vent
accelerate
properly
Spark plug
Engine runs,
but dies
Carburetor
or
Cooling
system
Engine does
not
Spark
accelerate
arrestor
properly
screen
Engine does
not crank
44
Status
Fuel strainer or
No fuel at
fuel line
carburetor
obstructed
No fuel at
Carburetor
cylinder
Muffler wet Fuel mixture too
with fuel rich
STOP switch OFF
- Electrical
problem -
Interlock switch
No spark
Air filter dirty Normal wear
Fuel filter dirty Contaminants or
residue in fuel
Fuel vent Contaminated
plugged fuel
Plug dirty or
Normal wear
worn
Improper
Vibration
adjustment
Cooling Extended
system dirty operation in dirty
or plugged or dusty locations
Spark
arrestor
Normal wear
screen
plugged
Internal engine
N/A
problem
Cause
Incorrect gap -
Covered with
carbon - Fouled
with fuel - Plug
defective
© 06/21 ECHO Incorporated
PPT-226LA
Remedy
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
0.65 mm
(0.026 in.)
Clean or replace
plug
Clean or replace
Replace filter or
replace fuel
Clean or replace
Clean and adjust or
replace
Adjust
Clean
Replace
See your dealer
X7712090701