Steelcase Karman User manual

If you have a problem, question, or request, call
your local dealer, or Steelcase Line 1 at
888.STEELCASE (888.783.3522)
for immediate action by people who want to help you.
(Outside the U.S.A., Canada, Mexico, Puerto Rico,
and the U.S. Virgin Islands, call: 1.616.247.2500)
Or visit our website: www.steelcase.com
©2020 Steelcase Inc.
Grand Rapids, MI 49501
U.S.A.
Printed in U.S.A.
®
Page 1 of 5
Doc # 157344 Rev B
Removal and Installation of Back Assembly on
Steelcase Karman™Chair
T-20 & T-30
TORX BIT

®
1b
2a
2b
1a
1. Locate seat screws (1a).
NOTE: These screws are accessed though
the windows in the seat shell, from the side
of the seat.
Use extension and T-20 torx bit to remove
four (4) screws from under seat (1b).
NOTE: It’s helpful to push the seat
cushion to one side and remove the two (2)
screws on the opposite side.
Repeat for the other side.
2. Rotate upward (2a) and pull the seat
forward (2b) to remove seat assembly.
Page 2 of 5
Doc # 157344 Rev B

®
Page 3 of 5
Doc # 157344 Rev B
3. Use T-30 torx bit to remove two (2)
screws from under-seat plate.
4. Gently lift the under-seat plate (4a) and
rotate the bottom of the back assembly out
of the way (4b).
NOTE: It is not necessary to completely
remove the under-seat plate.
5. Use T-20 torx bit to remove the two (2)
screws from the top of the back.
6. Push (6a) and twist (6b) the outer back
frame away from the inner back frame on
each side to remove the back assembly.
Remove one side at a time.
3
5
5
6a
6b
4b
4a

®
Page 4 of 5
Doc # 157344 Rev B
7. Align the tab on the new back
assembly with the slot in the back
frame. Clip together (7a) and slide
into position (7b) on each side.
Install one side at a time.
8. Use T-20 torx bit to install the
two (2) screws on top of the back.
Do not overtighten.
9. Tuck bottom of new back assembly
under the under-seat plate with bottom
of back assembly located around mating
screw bosses (9a). Use drill and T-30
torx bit to install two (2) screws (9b).
Do not overtighten.
9b
8
8
7b
7a
9a

®
Page 5 of 5
Doc # 157344 Rev B
10. Align holes in seat with tabs (10a),
then rotate into position (10b).
11. Use extension and T-20 torx bit to replace
the four (4) screws that were removed in Step 1.
Do not overtighten.
11
NOTE: Arms removed
for clarity.
10a
10b