Instructions / Assembly
DESCRIPTION CS-400
20 X7503255900
© 1/2017 ECHO Inc.
Guide Bar and Saw Chain Installation/Removal
Note: Align the brake connector (B) of the sprocket
guard to the groove on the side of the brake
lever (Front hand guard).
1. Remove air cleaner cover and disconnect spark plug
lead.
2. Move the chain brake lever (A) (Front
hand guard) fully REARWARD
(UNLOCK chain brake) to remove or
install the sprocket guard (C).
3. Remove sprocket guard nuts (D) and
remove sprocket guard (C).
4. Remove guide bar and saw chain if
necessary.
Note: See “Maintenance and Care”
section for guide bar/saw
chain maintenance
procedures.
5. Mount guide bar on studs (E) and
slide toward sprocket (F) to make
saw chain installation easier. Install
saw chain around sprocket and
guide bar as shown, with cutters on
top of guide bar facing forward.
A
B
C
D
F
J
E
D
H
C
B
G