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SAFETY RULES
WARNING: WE DO NOT REPRESENT AND YOU SHOULD NOT ASSUME THAT THE CHAIN
BRAKE WILL PROTECT YOU IN THE EVENT OF A KICKBACK. DO NOT RELY UPON ANY OF
THE DEVICES BUILT INTO YOUR SAW. YOU SHOULD USE THE SAW PROPERLY AND
CAREFULLY TO AVOID KICKBACK.
Reduced-Kickback Guide Bar and Low-Kickback Chain
Reduced-kickback guide bars and low-kickback saw chains reduce the chance and magnitude of kickback
and are recommended. Your saw has a low kickback chain and bar as original equipment. Repairs on a
chain brake should be made by an authorized servicing dealer. Take your unit to the place of
purchase if purchased from a servicing dealer, or to the nearest authorized service dealer.
WARNING: 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.
WARNING: Do not mount a bow guide on any Efco chainsaw. The risk of kickback is
increased with a bow guide because of the increased kickback contact area.
Recommended bar and chain combination
.325” x .058” Pitch Chain
ƽ
ƽ
ƽ
MODEL
MT3600
MT3600
MT4000
MT4000
14”
16”
14”
16”
140SDEA041
160SDEA041
140SDEA041
160SDEA041
91 P - 52 E
91 P - 57 E
91 P - 52 E
91 P - 57 E
1255R
1256R
1255R
1256R
15°
15°
15°
15°
LENGTH
OF BAR
GUIDE BAR
P. N.
CHAIN
TYPE
CHAIN P. N.
CKA WITHOUT
CHAIN BRAKE