CS-400 DESCRIPTION
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© 08/2020 ECHO Incorporated
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 clutch drum (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.
6. Install sprocket guard over guide
bar studs. Ensure chain tension
adjuster pin (H) fits into the guide
bar adjuster hole (G), brake band
(J) is positioned around clutch
drum (F). Tighten sprocket guard
nuts finger tight.
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