Chain And Guide Bar Combination - Echo CS-490 Operator's Manual

CHAIN AND GUIDE BAR COMBINATION

The following combinations are recommended for model cS-490.
Guide bar
Length mm (in.) ECHO Part No.
406 (16)
457 (18)
508 (20)
Pitch mm (in.)
16F0AD3366
18F0AD3372 8.26 (0.325)
20F0AD3378
Saw chain
ECHO Part No.
20BPX66CQ
20BPX72CQ
20BPX78CQ
GUIDE BAR
(Low-kickback)
Replacement guide bars.
The following guide bars may be considered to
have equivalent kickback energy.
• Sprocket nose guide bars of the same length
and nose radius, same pitch and having the
same number of teeth.
• Hard nose guide bars of the same length and
nose radius as a sprocket nose bar.
SAW CHAIN
(Low-kickback)
Do not use replacement saw chain unless it
has been designated as meeting the CSA Z
62.3 kickback performance requirements.
NOTICE
LOW KICKBACK SAW CHAIN meets the
kickback performance requirements of CSA Z
62.3 (safety requirements for gasoline-powered
chain saws).
23
Links
66
72
78
CAUTION
CS-490