Echo CS-501P Instruction Manual

30
CS-501P
TROUBLESHOOTING
WARNING
Fuel vapors are extremely flammable and
maycausereand/orexplosion.Nevertest
for ignition spark by grounding spark plug
near cylinder plug hole, otherwise serious
personal injury may result.
Problem
Engine — hard to start Cause Remedy
—
does not start
Engine
cranks
Fuel at
carburetor
No fuel at
carburetor
•Fuellterclogged •Cleanorreplace
•Fuellineclogged •Clean
•Carburetor •AskyourECHOdealer
Fuel at
cylinder
No fuel at
cylinder
•Carburetor •AskyourECHOdealer
Muffler wet with
fuel
•Fuelmixtureistoorich •Openchoke
•Clean/replaceairlter
•Adjustcarburetor
•AskyourECHOdealer
Spark at end
of plug wire
No spark at end
of plug wire
•Ignitionswitchoff •Turnswitchon
•Electricalproblem •AskyourECHOdealer
Spark at plug No spark at plug •Sparkgapincorrect •Adjust0.65mm(0.026in.)
•Coveredwithcarbon •Cleanorreplace
•Fouledwithfuel •Cleanorreplace
•Sparkplugdefective •Replaceplug
Engine
does not
crank
•Internalengineproblem •AskyourECHOdealer
Engine
runs
Dies or accelerates poorly •Airlterdirty •Cleanorreplace
•Fuellterdirty •Cleanorreplace
•Fuelventblocked •Clean
•Sparkplug •Cleanandadjust/replace
•Carburetor •Adjust
•Coolingsystemblocked •Clean
•Exhaustport/spark
arrestor screen blocked
•Clean

Echo CS-501P Specifications

General

Engine Displacement	50.2 cc
Chain Pitch	0.325 in
Chain Gauge	0.050 in
Bar Length	18 in
Fuel Capacity	0.5 liters
Oil Capacity	0.25 liters
Starting System	Recoil
Fuel Tank Capacity	0.5 liters
Oil Tank Capacity	0.25 liters
Weight (Powerhead Only)	10.6 lbs