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Cushion Assembly Replacement
(also applies to Upright, Back Shells and Seat Shell replacement)
1.
If chair has arms, remove per arm removal instructions, page 5.
2.
Adjust chair to maximum seat height.
3.
Turn chair upside down and set on stand or table.
4.
Remove upright and back assembly by removing 4 upright
screws and tapping upright out of chair control using
mallet.
5.
Remove lumbar handle assembly by carefully prying out
grommets from outer back, and remove 2 screws each side.
6.
Remove outer back shell by pulling from bottom edge of shell
and prying up pulling carefully at locations shown.
7.
Remove screws from upright straps and pull upright assembly
out of the inner shell.
8.
Disengage face plate from old inner shell/upholstery assembly
and install in new back upholstery assembly.
9.
Install new back upholstery assembly with the face plate onto
upright assembly and attach with the 14-10 tapping screws
provided through the upright straps.
10.
Re-install outer back shells using alignment features to
position and pressing parts together around perimeter.
11.
Re-install 2 screws each side, and re-install lumbar handle
assembly, being sure to align internal parts with handles.
Back
Cushion
Retention
Clip Locations
14-10
Tapping Screws
Upright
Upright
Screws
Outer Back
Shell
Page 3 of 30
939504598 Rev H
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