Echo CS-450P - Manual (Page 22)

22 CS-450P
CHAIN AND GUIDE BAR COMBINATION
The following combinations are recommended to the model CS-450P.
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)
CAUTION
Do not use replacement saw chain unless it
has been designated as meeting the CSA Z
62.3 kickback performance requirements.
NOTE
LOW KICKBACK SAW CHAIN meets the
kickback performance requirements of CSA Z
62.3 (safety requirements for gasoline-powered
chain saws).
Guide Bar Saw chain
Length ECHO Part No. Pitch Type Links
mm (in) Double Guard mm (in) (OREGON)
406 (16) 16F0LD3366 8.26 (0.325) 20LPX 66
457 (18) 18F0LD3372 8.26 (0.325) 20LPX 72
508 (20) 20F0LD3378 8.26 (0.325) 20LPX 78