Echo CS-420ES

22
FUEL SYSTEM
CS-370ES
CS-420ES
4-1 Inspecting air filter
1. Close choke shutter. Remove cleaner lid, air
cleaner bracket and air filter.
DANGER
Wear eye protection when working with com-
pressed air. Eye damage can occur from
flying particles.
2. Inspect the surface of air filter. If blocked with
dirt or dust, remove the obstruction using brush.
NOTE : When cleaning the surface of air filter, use
brush lightly.
3. If heavily blocked with dirt or dust, clean air filter
with compressed air.
NOTE : Blow with compressed air from inside of filter. If blowing with compressed air from outside of air
filter, filter paper may be clogged with particles.
NOTE : Do not wash air filter by solvent or gasoline to avoid damaging it.
4. Replace air filter with new one if heavily soiled or damaged.
4-2 Inspecting fuel cap and strainer
1. Remove fuel cap.
2. Inspect fuel cap for cracks and O-ring (A) for cuts
or damage.
3. Replace connector (B) if damaged.
4. Pull fuel strainer (C) from fuel tank using a wire
hook (D) and clean fuel strainer. Replace if defective
or heavily soiled. Install fuel cap.
A
B
C
D