Echo CS-670 Chainsaw User Manual


 
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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
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 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).
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.