Echo CS-310

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