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The computed kickback angle (CKA) listed on your saw and listed in the CKA table below represents angle of
kickback your bar and chain combinations will have when tested in accordance with CSA (Canadian Standards
Association) and ANSI standards. When purchasing replacement bar and chain, considerations should be given
to the lower CKA values. Lower CKA values represent safer angles to the user, higher values indicate more angle
and higher kick energies. Computed angles represented indicate total energy and angle associated without
activation of the chain brake during kickback. Activated angle represents chain stopping time relative to activation
angle of chain break and resulting kick angle of saw. In all cases lower CKA values represent a safer operating
environment for the user.
The following guide bar and chain combinations meet kickback requirements of CSA Standards Z62.1, Z62.3, &
ANSI B175.1 when used on saws listed in this manual. Use of bar and chain combinations other than those listed
is not recommended and may not meet the CKA requirements per standard.
Model
PR3816
PR4016
PR4218
Type
In
91PJ
0,375
0,050 (1,3) 5/32 (4,0)
TECHNICAL DATA
Guide Bar
P/N
589198302
589198302
589198303
In (mm)
In (mm)
Length (in/cm)
16/40
16/40
18/45
°
°
85°
30°
17
Chain
91PJ 56DL
91PJ 56DL
91PJ 62DL
°
In (mm)
0,025 (0,65)
0°
CKA without
chain brake
45°
45°
45°
In (mm) : dl
16 (40) : 56
18 (45) : 62
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