Troubleshooting - Echo SMR-2110 - 01-99 Operator's Manual

32
T
ROUBLESHOOTING
Problem
Fuel at carburetor
Fuel at cylinder
Engine
cranks -
starts hard/
doesn't
start
Spark at end
of plug wire
Spark at plug
Engine runs,
but dies or
does not
Spark Plug
accelerate
properly
Carburetor
Cooling System
Spark Arrestor
Engine does
not
crank
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark near an open
spark plug opening, otherwise serious personal injury may result.
ENGINE PROBLEM TROUBLESHOOTING CHART
Check Status
No fuel at carburetor Fuel strainer clogged
No fuel at cylinder
Muffler wet with fuel
No spark
No spark
Air filter dirty
Air filter
Fuel filter dirty
Fuel filter
Fuel vent plugged
Fuel vent
Plug dirty/worn
Improper adjustment Vibration
Cooling system
dirty/plugged
Spark arrestor
screen plugged
Screen
N/A
N/A
WARNING
Cause
Fuel line clogged
Carburetor
Carburetor
Fuel Mixture too rich
Stop switch off
Electrical problem
Interlock switch
Spark gap incorrect
Covered with carbon
Fouled with fuel
Plug defective
Normal wear
Contaminants/residues in
fuel
Contaminants/residues in
fuel
Normal wear
Extended operation in
dirty/dusty locations
Normal wear
Internal engine problem
DANGER
Remedy
Clean or replace
Clean or replace
See your Echo dealer
See your Echo dealer
Open choke
Clean/replace air filter
Adjust carburetor
See your Echo dealer
Turn switch to ON
See your Echo dealer
See your Echo dealer
Adjust to .65mm (0.026 in.)
Clean or replace
Clean or replace
Replace plug
Clean or replace
Replace
Clean or replace
Clean and adjust or replace
Adjust
Clean
Replace
See your Echo dealer