Echo CS-310 Service Manual

SAW CHAIN LUBRICATION SYSTEM
CS-310
47
7-3 Inspecting oil line
1. Remove starter assembly.
2. Remove screw (A).
3. Remove screw (B) of unit bottom.
4. Remove screw (C).
5. Remove front handle (D) and rear handle (E)
from engine unit.
6. Disconnect oil line (F) with joint pipe (G), from
oil grommet (H).
7. Connect pressure tester 897803-30133 (J) to
joint pipe (G) as shown.
8. Tighten oil cap and apply pressure approx. 9.8
kPa (0.1kgf/cm
2
) (1.4psi).
9. Pressure should not drop. If the pressure drops,
leakage may occur at oil cap, oil cap O-ring, mat-
ing surface of oil tank, oil line, grommet, or oil tank
vent. Inspect them and replace defective part(s)
with new parts as required.
D
B
E
A
C
F
G
H
J
G

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