Echo CS-310 Service Manual

GUIDE BAR MOUNTING SYSTEM
CS-310
66
10-1 Replacing chain tensioner
1. Remove bolt (A) from sprocket guard. Remove
tensioner screw (C), chain tensioner (D), collar (B)
and bevel gear (E). Remove bevel gear (F).
2. Inspect them for damage or wear. Replace as
required.
3. Install bevel gear (F) into sprocket guard.
4. Screw chain tensioner (D) on tensioner screw
(C).
5. Set bevel gear (E) in collar (B) and insert ten-
sioner screw (C) with chain tensioner (D) in bevel
gear (E) with collar (B).
6. Install sub-assembled tensioner screw in slot (G)
of sprocket guard, confi rming engagement of bevel
gear (E) and (F).
7. Reinstall bolt (A).
A
B
C
D
E
F
G
A
E
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