Echo CS-670 User Manual
22
CS-670
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
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.
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 CSA Z
62.3 kickback performance requirements.
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).
kickback performance requirements of CSA Z
62.3 (safety requirements for gasoline-powered
chain saws).
CHAIN AND GUIDE BAR COMBINATION
@ Standard configuration
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)
72V
60
508 (20)
20D0PD3870
20D0PS3870
9.53 (3/8)
72V
70
@ 610 (24)
24D0PD3881
24D0PS3881
9.53 (3/8)
72V
81
686 (27)
——————
27D0PS3893
9.53 (3/8)
72V
93
The following combinations are recommended to the model CS-670.