Echo CS-680 - Manual (Page 24)

22 CS-680
Guide Bar Saw chain
Length ECHO Part No. Pitch Type Links
mm (in.) Double Guard Symmetrical mm (in.) OREGON
406 (16) 16D0PD3860 16D0PS3860 9.53 (3/8) 72LPX,72V 60
508 (20) 20D0PD3870 20D0PS3870 9.53 (3/8) 72LPX,72V 70
610 (24) 24D0PD3881 24D0PS3881 9.53 (3/8) 72LPX,72V 81
686 (27) —————— 27D0PS3893 9.53 (3/8) 72LPX,72V 93
CHAIN AND GUIDE BAR COMBINATION
The following combinations are recommended for model CS-680.
GUIDE BAR
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
CAUTION
Do not use replacement saw chain unless it
has been designated as meeting the ANSI
B175.1 - 2000 kickback performance
requirements.
NOTE
LOW KICKBACK SAW CHAIN meets the
kickback performance requirements of ANSI
B175.1-2000 (safety requirements for gasoline-
powered chain saws).