Echo CS-310 Service Manual

FUEL SYSTEM
CS-310
27
4-5 Replacing purge bulb
1. Remove cylinder cover, air filter and cleaner
case.
2. Remove throttle rod (A) and choke rod (B) from
carburetor.
3. Remove fuel line (C) and purge line (D) from
carburetor.
4. Remove purge line (D) and fuel return line (E)
from purge bulb.
5. Push down hook (F) and remove purge bulb.
6. Install new purge bulb.
7. Connect fuel return line (E) to longer fi tting (G),
placing fuel return line in the bottom of groove (H)
of the unit.
8. Connect purge line (D) to the other fitting (J).
Place purge line in groove (H).
A
B
F
E
D
E
D
G
C
D
J
H

Echo CS-310 Specifications

General

Engine Displacement	30.5 cc
Bar Length	14 inches
Weight	8.8 lbs
Chain Pitch	3/8 inch
Chain Gauge	0.050 inch