®
Removal and Installation of Back Frame on
Steelcase Series ® 2 Chair
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
© 2019 Steelcase Inc.
Grand Rapids, MI 49501
U.S.A.
Printed in U.S.A.
Torx T-20
Page 1 of 6
Doc # 145928 Rev B
®
1.
P ull seat depth lever out (1a) (Optional: Insert paperclip wire as shown in 1b) and slide seat forward.
2.
P ush and hold two square black buttons near the rear of the seat (2a) as you slide the seat forward and off (2b).
1a
1b
2b
2a
SQUARE BLACK
BUTTONS
Page 2 of 6
Doc # 145928 Rev B
®
3.
P ut boost knob in the “boost” position
(middle knob position).
4.
R ecline the back and locate small black tab on beige camlock. Press black tab with
Prybar until it’s in the groove .
5.
A llow back to rock back to upright position while holding Prybar in place. Pry camlock up by pushing Pry bar down toward the chair control.
6.
H old frame as it starts to move back and release from the chair control.
BLACK TAB
4
3
BOOST KNOB IN
“BOOST” POSITION
5
6
Page 3 of 6
Doc # 145928 Rev B
®
7.
Remove four (4) Back Shell screws.
8.
Push bottom out (8a) and pull up on the
Back Shell to remove (8b) .
NOTE: If chair has a lumbar, refer to page 5 for installing the lumbar onto the Back Shell.
9.
When lumbar is installed, center it between the two lower hooks.
10.
Start with Back Shell top bosses in front of
Back Frame top edge (10a) and Back Shell lower tabs in front of cross bar (10b).
11.
Compress Back Shell to Back Frame to engage all six (6) Hooks, then slide the Shell down .
12.
Reverse step 7 to install four (4) screws into the
Back Shell. Torque to 1.45-1.95 Nm (13-17 in-lbs).
10a
9
10b
2x 2x
2x
4x
7
8b
8a
11
6x
Page 4 of 6
Doc # 145928 Rev B
®
Removal & Installation of the Lumbar for Series 2 Chairs with Lumbar
1.
Follow steps on page 4 for removal of the
Back Insert.
2.
With Back Shell removed, the Lumbar Handles can be removed from the Lumbar Pad. Rotate the
Handle to 45 o (2a), then shift the gap to one end (2b) and rotate Handle to unsnap from Lumbar Pad (2c).
2c
3.
Remove lumbar by sliding it out of the Back Shell slot (3a). Reverse step for installation of lumbar.
Only Handle snaps should protrude from the
Back Shell slot (3b).
4.
Reverse step 2 to reinstall the Lumbar Handles.
NOTE: When adding a Lumbar Pad to a chair that was purchased without one, you will need to remove the Lumbar Filler pieces. To remove, pull out by hand or use a flat bladed screwdriver to pop-out.
5.
Follow steps on page 4 for installation of the Back Shell.
2b
2a
2x
4
3b
3a
2x
Page 5 of 6
Doc # 145928 Rev B
®
Reinstall Seat Assembly and
Back Assembly
1.
Install seat by sliding seat on rails until it clicks and stops. Adjust seat to assure proper assembly.
2a
1
2b
Page 6 of 6
Doc # 145928 Rev B
