Echo CS-590 Operator's Manual - page 22
22
CS-590
CHAIN AND GUIDE BAR COMBINATION
The following combinations are recommended to the model CS-590.
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.
NOTICE
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 mm (in.)
ECHO Part No.
Pitch mm (in.)
ECHO Part No.
Links
Double Guard
Symmetrical
406 (16)
16D0PD3860
16D0PS3860
9.53 (3/8)
72LPX60CQ, 72V60CQ
60
457 (18)
——————
18D0AS3864
9.53 (3/8)
72LPX64CQ
64
508 (20)
20D0PD3870
20D0PS3870
9.53 (3/8)
72LPX70CQ, 72V70CQ
70
20D0AS3870
610 (24)
24D0PD3881
24D0PS3881
9.53 (3/8)
72LPX81CQ, 72V81CQ
81
686 (27)
——————
27D0PS3893
9.53 (3/8)
72LPX93CQ, 72V93CQ
93