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CS-680
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.
s 3PROCKETNOSEGUIDEBARSOFTHESAMELENGTH
and nose radius, same pitch and having the
same number of teeth.
s (ARDNOSEGUIDEBARSOFTHESAMELENGTHAND
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 kickback performance requirements.
NOTICE
LOW KICKBACK SAW CHAIN meets the
kickback performance requirements of ANSI
B175.1 (safety requirements for gasoline-
powered chain saws).
Guide bar Saw chain
Length mm (in.)
ECHO Part No.
Pitch mm (in.) ECHO Part No. Links
Symmetrical
406 (16) 16D0PS3860
9.53 (3/8)
72LPX60CQ 60
508 (20) 20D0PS3870 72LPX70CQ 70
610 (24) 24D0PS3881 72LPX81CQ 81
686 (27) 27D0PS3893 72LPX93CQ 93