Steelcase 4900 Series User manual

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
©1998 Steelcase Inc.
Grand Rapids, MI 49501
U.S.A.
Printed in U.S.A.
1
of
3
939500508 Rev A
4900 Series Tables
3/4" Wrench
3/4" Socket

2
of
3
939500508 Rev A
NOTE: Bases with (2) arms are installed in the
same manner. Large tables: 2-3/4” dia. outer
tube cover. Small Tables 2-1/4” dia. outer tube
cover.
1. Preparation For Assembly.
Lay shipping carton or other soft material on floor.
Turn table top upside down on protective material,
exposing pedestal mount and base. Remove
shipping bolt holding table base to top and discard.
2. Tie Rod Attachment.
Thread jam nut onto tie rod, then using vice grips,
thread tie rod end into pedestal mount
approximately 3/4” to 1”. Tighten jam nut. It is
important that this nut be very tight for ideal
assembly.
3. Inner Tube Installation.
Slip inner tube over tie rod making certain that slots
in inner tube are aligned with lanced webs in
pedestal mount. Slip (2) “O” rings over tube (large
tables only).
1.
2.
3.
BASE
SHIPPING BOLT
TABLE TOP
PEDESTAL MOUNT
PEDESTAL MOUNT
TIE ROD
TIE ROD
JAM NUT
JAM NUT
TIE ROD
INNER TUBE
INNER TUBE
LANCED WEBS
PEDESTAL MOUNT
SLOTS
“O' RINGS
“O' RINGS
PEDESTAL MOUNT

3
of
3
939500508 Rev A
4. Base To Outer Cover Installation.
Large Tables:
Turn base upside down and guide four arms into
four mating slots in outer cover tube. To properly
engage tabs on hub slowly rotate the base until
tabs drop into slots in inner tube.
Small Tables:
Guide arms into mating slots in outer cover tube
and over lock washer and inner tube assembly.
5. Base With Outer Cover Installation.
Large Tables:
Slip outer cover tube over inner tube.
Small Tables:
Align notch in outer tube with emboss on pedestal
mount and place large 1-1/2” o.d. lock washer
over tie rod and on end of inner tube.
6. Nut And Lock Washer Installation.
Large Tables:
Place lock washer and nut over tie rod end. To
tighten nut use a 3/4” box end wrench or a socket
wrench that is approximately 10 to 12” in length.
Do not use an open end or adjustable wrench.
Gripping wrench near end, tighten nut. To obtain
maximum rigidity, the nut on the tie rod must be
tightened to a minimum of 80 foot pounds.
NOTE: Before tightening, measure to be sure
that bases are parallel with table ends and each
other.
Small Tables:
Place 2” dia. flat washer over end of tie rod.
Place lock washer and nut over tie rod end.
Tighten table assembly as specified on large tables.
4.
5.
6.
HUB TABS
OUTER
COVER
TUBE
INNER
TUBE SLOTS
OUTER
COVER TUBE
INNER TUBE
NUT
LOCK WASHER
BASE