Steelcase Think 465 Use and care manual

465 Think Chair (New) Lumbar
Fixed & Adjustable Replacement
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
©2014 Steelcase Inc.
Grand Rapids, MI 49501
U.S.A.
Printed in U.S.A.
®
Page 1 of 8
939546550 Rev A
Torx T20
(QTY.2)
®

Page 2 of 8
939546550 Rev A
®
1. Press seat slide handle (at front of seat)
and pull seat as far forward as it will go.
2. Tip the chair onto its right side.
3. Locate the seat out stop feature.
4. Insert a screwdriver below the out stop feature
and push it (up) toward the seat.
5. Simultaneously press the seat slide handle
and pull forward on the seat.
SEAT OUT STOP
FEATURE
SEAT SLIDE
HANDLE
SEAT SLIDE
HANDLE

Page 3 of 8
939546550 Rev A
®
6. Remove the, (2) lower back screws by inserting
a T20 Torx screwdriver.
7. Disengage center of back cushion from lower
back frame. First, push inward at center (7a) then
lift up on bottom of cushion (7b). Once un-hooked,
pull cushion forward.
SCREW
CUSHION
LOWER
CROSS BAR
6
7a
7b
LIFT

Page 4 of 8
939546550 Rev A
®
Adjustable Lumbar
8a. Using two (2) screwdrivers, gently pry out the lumbar handles on both sides of the back.
Fixed Lumbar
8b. Use screwdriver from inside back frame to gently push fixed lumbar clip out of slot. Repeat
at opposite, inner side of back frame.
ADJUSTABLE
LUMBAR HANDLE 8a 8b
FIXED LUMBAR
CLIP
FIXED LUMBAR
CLIP
SLOT
LUMBAR
PAD
VIEW FROM INNER SIDE
OF BACK FRAME

Page 5 of 8
939546550 Rev A
®
9. Push the bottom of the back cushion forward, on both sides, away from the back frame
and pinch point cover (9a). Gently push lumbar pad forward from the rear and it will drop
down and out of the back frame (9b).
BACK
CUSHION
BACK
FRAME
PINCH POINT
COVER
LUMBAR
PAD
9a
9b

Page 6 of 8
939546550 Rev A
®
10. Set the lumbar pad on a work surface with the Steelcase
Logo pointing up. Remove sliders from ends of old lumbar pad.
Assemble sliders onto new lumbar pad.
NOTE: Align wider slots on sliders with wider pegs on pad.
11. Carefully take the new lumbar pad assembly
with sliders and position it between pinch point
covers and back frame.(Reverse Step 9).
SLIDER LUMBAR PAD
STEELCASE
LOGO
WIDE PEG
WIDE SLOT
BACK
FRAME
PINCH POINT
COVER
LUMBAR
PAD
9
10
11

Page 7 of 8
939546550 Rev A
®
12. Snap in new lumbar handles (or fixed height clips) through
slots on back frame and into lumbar pad receivers.
NOTE: Handles are not handed, but must be oriented as shown.
(The 4 circle imprints face towards the back).
13. Temporarily snap in center of back. Reinstall the screws
removed in Step 6, into each lower corner of the back. From the
back center of the chair, squeeze the cushion and back frame
together to finish the back cushion assembly.
LUMBAR
HANDLE CIRCLE
13
12

Page 8 of 8
939546550 Rev A
®
14. Assemble the seat onto the chair by aligning slots in the seat with the
slide bearings. Push seat from the front while simultaneously pressing the
seat slide handle. Push the seat with enough force to move beyond the seat
out stop feature. Once positioned, press the seat slide handle and pull the
seat forward to verify the seat is properly assembled to the chair.
SLIDE
BEARING
SEAT SLIDE
HANDLE
SLOT