Steelcase Amia 482 Series User manual

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939548202 Rev D
482 Amia™ ™ and Amia Air Chair for Customer Service
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
©2007 Steelcase Inc.
Grand Rapids, MI 49501
U.S.A.
Printed in U.S.A.
Table of Contents
Page Topic
2-3 Removal & Installation of the Seat
5 Removal & Installation of the Arm Cap
6-7 Removal & Installation of the Back Cushion
8Removal & Installation of the Lumbar
8 Removal & Installation of the Back Shell
9
Removal & Installation of the Air Lumbar Pad
10
Removal & Installation of the Air Back Shellll
11-12 Removal & Installation of the Back Assembly
13 Removal & Installation of the Base
14 Removal & Installation of the Base Cap
15 Removal & Installation of the Pneumatic Cylinder
16 Removal & Installation of the Stool Footring
17-18 Removal & Installation of the Chair Control
19 Installation of Chair Control Bumpers
PNEUMATIC CYLINDER
REMOVAL TOOL
or a flat-bladed
screwdriver that is 8"
or longer
1/2" Socket
Torx T-20 & T25
4 Removal & Installation of the Arms

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939548202 Rev D
D
Removal & Installation
of the Seat
1. Locate the white
quick release tab
located on the left
hand side of the chair
(as you sit in it)
between the plates.
2. Lift the quick
release tab (2a) while
lifting the seat slide
lever (2b) and sliding
the seat forward & off.
2a
QUICK RELEASE TAB
FRONT REAR
FRONT
REAR 1
2b
SEAT SLIDE
LEVER

3. Align the new seat
with the chair control
and engage the slots on
the bottom of the seat
with the tabs located on
the seat bearings (3a).
Slide seat fully backward
while holding up on the
seat slide lever (3b).
3a
TAB ON BEARING SLOT ON BOTTOM
OF CHAIR
SEAT SLIDE
LEVER
3b
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5
4
4
5
SCREW
3
3
2
SCREW
2
1. Follow steps on page 2 for
seat removal.
2. Remove two (2) screws on
each arm.
3. Remove old arms.
4. Install new arms.
5. Install two (2) screws on each
arm. Torque to 25-35 in-lbs.
6. Follow steps on page 3for
seat installation.
Removal & Installation of
the Arms

1a
1b
Removal & Installation
of the Arm Cap
1. To remove arm cap, remove four
(4) screws (1a) and remove cap from
arm (1b). To replace arm cap, reverse
steps 1a and 1b and tighten screws to
6-10 in-lbs.
When installing, make sure to align
the ribs on the two (2) screw bosses
of the arm cap to the rear of the arm.
RIBS ON THE
SCREW BOSSES
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939548202 Rev D

Removal & Installation
of the Back Cushion
1. Lay chair on its side and peel
the j-channel, on the back cushion,
from the back assembly.
2. Flip chair over and lift on the
back cushion to remove.
BACK ASSEMBLY
J-CHANNEL ON THE
BACK CUSHION
1
2
BACK CUSHION
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CHAIR BACK
CUSHION CHAIR BACK
SHELL
4. Lay chair on its side and
install the j-channel, on the
back cushion, to the back
assembly.
REAR VIEW OF CHAIR
AFTER STEP 3b
3b
CHAIR BACK
CUSHION CHAIR BACK
SHELL
HOOK
REAR VIEW OF CHAIR
AFTER STEP 3a
3c
SLOT ON
CHAIR BACK
CUSHION CHAIR BACK
CLIP
CHAIR BACK
SHELL
3a
CHAIR BACK
CUSHION CHAIR BACK
SHELL
HOOKS
3. Place back cushion onto
the chair back and slide back
cushion onto the chair back by
starting at the bottom (3a) and
working your hands upward as
shown (3b & 3c) until installed.
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BACK ASSEMBLY
J-CHANNEL ON THE
BACK CUSHION
4

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Removal & Installation of the Lumbar
1a. Follow steps on page 6 for removal
of the back cushion.
2a. Remove the lumbar by pulling it out. To install
the lumbar, place one side of the lumbar into position in
the back assembly. Then, flex the lumbar (and the wires of
the lumbar) inward and place the other side into position.
3a. Follow steps on page 7 for installation
of the back cushion.
Removal & Installation of the Back Shell
1b. Follow steps on page 6 for removal
of the back cushion.
2b. Refer to Removal & Installation of the Lumbar
above to remove the lumbar.
3b. Remove seven (7) screws and two (2) clips.
Note: Save the clips for reassembly.
4b. Remove the back shell. Reverse step for installation
of the back shell.
5b. Attach seven (7) screws and two (2) clips.
Torque to 25-50 in-lbs.
6b. Refer to installation of the Lumbar above to
install the lumbar.
7b. Follow steps on page 7 for installation of the
back cushion.
LUMBAR
2a
4b
BACK SHELL
CLIP

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Removal of
the Amia Air Back Shell
Remove four (4) Back Shell screws.
Push bottom out (2a) and pull up on
Back Shell to remove (2b).
When lumbar is installed, center it between the
two lower hooks.
Start with Back Shell top bosses in front of Back
Frame top edge (4a) and Back Shell lower tabs in
front of cross bar (4b).
5. Compress Back Shell to Back Frame to engage
all 6 Hooks, then slide the Shell down.
6. Reverse step 1 to install four (4) screws into the
Back Shell. to 13-17 in-lbs.
1
2a
2b
3
2x
2x
2x
6x
4x
4a
4b
5

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Removal & Installation of the Lumbar
for Amia Air
1. Follow steps on page 9 for removal
of the Back Shell.
2. With Back Shell removed, the Lumbar
Handles can be removed from the Lumbar pad.
Rotate the Handle to 45° (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 2to 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. (4)
To remove, pull out by hand or use a
flat blade screw driver to pop-out.
2x
2x
2a
2c2b
3a
4
5. Follow steps on page 9 for installation
of the Back Shell.
3b