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Mechanisms
For every product line, a wide range of mechanisms offers many adjustment options to meet multiple chair uses and applications.
To view the instructions for your mechanism, please refer to the label that is underneath your chair. Here's an example where you will find the name of the mechanism (circled in red):
C7E
Swivel, synchro-tilt (2,7:1), locks in 3 positions, adjustment of seat and backrest height (ratchet), seat slider.
C7J
Swivel, synchro-tilt (2,7:1), locks in 3 positions, adjustment of seat height, seat slider.
DA
Swivel, balance point synchromatic, 4 position tilt limiter, adjustment of seat and backrest height, integrated adjustable lumbar support, seat slider (2 1/2’’). Weight activated backrest tilt with micro adjustment for more precision.
DSN
Swivel, adjustment of seat and backrest angle and seat and backrest height, foot ring.
H
Swivel, tilt, seat height adjustment.
HDL
Swivel, adjustment of seat and backrest angle and seat and backrest height.
IA
Swivel, balance point synchromatic with tension control, locks in 4 positions, 2 position dynamic-forward tilt, adjustment of seat and backrest height, seat slider.
IC
Swivel, balance point synchromatic with tension control, locks in 4 positions, adjustment of seat backrest height.
MF
Swivel, tilt and locking, adjustment of backrest angle, seat and backrest height.
MFE
Swivel, tilt and locking, adjustment of seat front tilt, backrest angle, seat and backrest height.
MFJ
Swivel, tilt and locking, adjustment of backrest angle and seat height.
SC
Die cast aluminum, swivel, balance point synchromatic with sliding tension control, locks in 3 positions, seat and backrest height adjustment, seat slider.
SCHD
Die cast aluminum, swivel, balance point synchromatic with sliding tension control, locks in 3 positions, seat and backrest height adjustment, seat slider. With additional strength tension up to 154 - 331 lb.
SDE
Swivel, synchro-tilt (2:1), locks in 5 positions, adjustment of seat and backrest height (with buttons), seat slider. (FIR3, FIR4)
SDJ
Swivel, synchro-tilt mechanism (2:1), locks in 5 positions, adjustment of seat height, seat slider.
SIE
Swivel, synchro-tilt (3,3:1), automatic tension adjustment, locks in 5 positions, adjustment of seat and backrest height (with buttons).
SIJ
Swivel, synchro-tilt (3,3:1), automatic tension adjustment, locks in 5 positions, adjustment of seat height.
SS
Swivel, tilt and locking, adjustment of backrest angle, seat and backrest height, seat slider.
SSE
Swivel, tilt and locking, adjustment of backrest angle, seat and backrest height (ratchet), seat slider.
SSHD
Swivel, tilt and locking, adjustment of backrest angle, seat and backrest height, seat slider, heavy duty.
SSJ
Swivel, tilt and locking, adjustment of backrest angle and seat height, seat slider.
SYE
Swivel, synchro-tilt (2:1), locks in 4 positions, adjustment of seat and backrest height (ratchet), seat slider.
SYJ
Swivel, synchro-tilt mechanism (2:1), locks in 4 positions, adjustment of seat height, seat slider.
