Echo CS-310 User Manual

CS-310 DESCRIPTION
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© 02/2019 ECHO Inc.
3. Remove sprocket guard nuts (A)
and remove sprocket guard (B).
4. Remove guide bar and saw chain
if necessary.
Note: See “Maintenance and
Care” section for guide bar/
saw chain maintenance
procedures.
5. Unlock the chain brake, and
mount guide bar on studs (C)
and slide toward sprocket (E) to
make saw chain installation
easier. Install chain with cutters
on top of guide bar facing
forward.
6. Install the sprocket guard over
the guide bar studs. Ensure
chain tension adjuster pin (F) fits
into the guide bar adjuster hole
(D). Tighten sprocket guard nuts
finger tight.
7. Adjust saw chain tension, as
instructed in “Adjustment, Chain
Tension”.
Unlock chain brake
A
A
B
E
C
D
A
B
F

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