Echo CS-310 Service Manual

SAW CHAIN LUBRICATION SYSTEM
CS-310
46
7-2 Inspecting oil tank vent
NOTE:
Oil tank vent prevents a vacuum from
forming in oil tank when chain oil in the tank is con-
sumed.
1. Remove starter assembly.
2. Remove oil tank vent (A) using paper clip and
clean it.
3. Check that oil tank vent lips (B) are not hard or
deformed. Replace as required.
4. Install oil tank vent (A) using suitable tool (C) as
shown.
A
C
A
B

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