Chain And Guide Bar Combination - Echo CS-520 Instruction Manual

CHAIN AND GUIDE BAR COMBINATION

The following combinations are recommended for model CS-520.
Length
mm (in)
406 (16)
457 (18)
@ 508 (20)
@ Standard configuration
Guide Bar
ECHO Part No.
Double Guard
16A0AD3366
16A0MD3366
18A0AD3372
18A0MD3372
20A0AD3378
20A0MD3378
Pitch
mm (in)
8.26 (0.325)
8.26 (0.325)
8.26 (0.325)
8.26 (0.325)
8.26 (0.325)
8.26 (0.325)
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)
Do not use replacement saw chain unless it
has been designated as meeting the ANSI
B175.1 - 2000 kickback performance
requirements, when tested on the
representative sample of chain saws below
3.8 c.i.d. specified in ANSI B175.1 - 2000.
NOTE
LOW KICKBACK SAW CHAIN meets the
kickback performance requirements of ANSI
B175.1-2000 (safety requirements for gasoline-
powered chain saws).
21
Saw chain
Type
(OREGON)
33SL
95VP
33SL
95VP
33SL
95VP
CAUTION
Links
66
66
72
72
78
78
CS-520