Steelcase 428 QiVi User manual

428 QiVi™- Back Assembly 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
©2013 Steelcase Inc.
Grand Rapids, MI 49501
U.S.A.
Printed in U.S.A.
®
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939542805 Rev B
SLED BASE CONFERENCE
SLED BASE TOOLS
T20
CONFERENCE TOOLS
T40

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Sled Base
1. Lift up on the back of the arm cap (1a)
and insert a flat-bladed screwdriver (1b)
then pry off arm caps (1c).
2. Remove flat head screw located under
each arm cap with a T25 torx bit.
3. Remove the back assembly with a
rubber mallet.
2
3
1b
1a
1c

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4. Install the new back assembly with the installation tool
(not provided) & a rubber mallet, moving to the right & left
side of chair until the back assembly has been fully installed.
NOTE: Installation tool can be ordered using part number
892342800.
5. Reinstall flat head screws that were removed in step 2.
6. Install arm caps by first placing onto the front of chair (6a)
then rotating the arm cap into final position (6b).
5
4
6a
6b

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Conference
1. Raise the chair to its highest height.
2. Insert a small phillips screwdriver
into hole on bottom of chair. Push up
with the screwdriver while pushing the
front of the seat assembly, with your
hand, to dislodge the seat assembly.
1
2

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3. Remove the seat slides from the control housing
and set aside for reinstallation.
4. Remove four (4) screws with T30 torx bit and
remove the back assembly.
3
4

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5. Install the new back assembly with four (4) screws
with T30 torx bit until fully seated.
6. Install the seat slides, that were removed in step 3,
onto the control housing.
6
5

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7
7. Make sure the rubber spring assembly
has been installed onto the control housing
securely.
8. Place seat back into slots on chair and
slide forward to engage onto chair. 8