Steelcase 2 Series User manual

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©2019 Steelcase Inc.
Grand Rapids, MI 49501
U.S.A.
Printed in U.S.A.
®
Removal and Installation of Back Frame on
Steelcase Series®2 Chair
Page 1 of 6
Doc # 145928 Rev B
Torx T-20

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1b
1a
1. Pull seat depth lever out (1a) (Optional: Insert paperclip
wire as shown in 1b) and slide seat forward.
2. Push and hold two square black buttons near the rear of
the seat (2a) as you slide the seat forward and off (2b).
2b
2a
SQUARE BLACK
BUTTONS
Page 2 of 6
Doc # 145928 Rev B

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Page 3 of 6
Doc # 145928 Rev B
4
BLACK TAB
5
6
3
BOOST KNOB IN
“BOOST” POSITION
3. Put boost knob in the “boost” position
(middle knob position).
4. Recline the back and locate small black
tab on beige camlock. Press black tab with
Prybar until it’s in the groove.
5. Allow 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. Hold frame as it starts to move back
and release from the chair control.

2x
2x
2x
6x
4x
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).
Page 4 of 6
Doc # 145928 Rev B
10b
7
8a
8b
9
10a
11
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2x
2x
2a
2c 2b
3a
4
3b
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 45o(2a), then shift the gap to one end (2b)
and rotate Handle to unsnap from Lumbar Pad (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.
Page 5 of 6
Doc # 145928 Rev B
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Page 6 of 6
Doc # 145928 Rev B
2a
2b
1
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.