CS-590 DESCRIPTION
X7503264706 29
© 09/2020 ECHO Incorporated
4. Remove guide bar (D) and saw
chain (E) as necessary.
Note: See “Maintenance” section
for guide bar, sprocket,
and saw chain
maintenance procedures.
5. Mount guide bar (D) on studs (F)
and slide toward clutch drum
sprocket (G) to make saw chain
(E) installation easier. Install saw
chain around clutch drum
sprocket and guide bar as
shown, with cutters on top of
guide bar facing forward.
6. Install sprocket guard (C) over
guide bar studs (F). Make sure
chain tension adjuster pin fits into
the guide bar adjuster hole (H),
brake band is positioned around
clutch drum (F). Tighten sprocket
guard nuts (B) finger tight.
7. Adjust saw chain tension, as instructed in “Adjustment, Chain Tension”.
Improper sprocket guard assembly can result in serious injury,
and will cause severe saw damage if unit is started. Never start
or operate saw if brake band is not in place on clutch drum.
Always check chain brake operation after replacing sprocket
guard. Do not use saw if chain brake does not function properly.
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