Turnstone Springboard User manual

Page 1 of 6
939504514 Rev F
Springboard¨R
©2001 Steelcase Inc.
Grand Rapids, MI 49501 U.S.A.
Printed in U.S.A.
Replacement parts
Manager Seating
Task Seating
-Height Adjust Column Assembly Replacement
(also applies to Base, and Telescopic Cover Replacement)
-Cushion Assembly Replacement
(also applies to upright, back shells, and seat shell replacement)
-Back Replacement
-Seat Replacement
-Arm Replacement

Page 2 of 6
939504514 Rev F
Height Adjust Column Assembly Replacement
(also applies to Base, and Telescopic Cover Replacement)
Base
Height Adjustment Column
Tapered Standpipe
Plastic Telescopic Cover
1.  Adjust chair to maximum seat height.
2. Turn chair upside down and set on stand or table.
3. To remove base, tap firmly alternately on opposite arms near 
hub with rubber or leather mallet.
4. Slide plastic telescopic cover all the way down column.
5. Remove height adjust column from chair control using 
disassembly tool for taper fit joint, or twisting &
pulling using pipe wrench.
6.  Remove telescopic cover from old column assembly, and
install on new height adjust column assembly
by pushing it down from top of cylinder column to just past the
taper.
7. Install new height adjust column assembly by inserting
tapered cylinder end into chair control housing
and tapping firmly with rubber mallet.
8. Replace base assembly by inserting hub onto tapered
standpipe of height adjust column, then tap firmly
with rubber mallet.
9. Turn chair right side up and seat taper fit joints by sitting in
chair.

Page 3 of 6
939504514 Rev F
Cushion Assembly Replacement
(also applies to upright, back shells, and seat shell replacement)
1. If chair has arms, remove per arm removal instructions page 5.
2. Adjust chair to maximum seat height.
3. Turn chair upside down and set on stand or table.
Back
4. Remove upright and back assembly by removing upright
screws and tapping upright out of chair
control using mallet.
5. Remove upper Outer Back shell by pulling from bottom edge
of shell and prying up/pulling carefully at
locations shown.
6. Remove lower Outer Back shell by pulling/prying at bottom
corners as shown.
7. Remove the bolts from bottom upright straps and pull upright
assembly out of the Inner shell.
8. Install new back upholstery assembly onto upright assembly
and attach with the 10-24 tapping shoulder
bolts provided through the bottom upright straps.
9. Re-install lower and upper Outer Back shells using alignment
features to position, and pressing
parts together around perimeter.
10-24
Tapping Screws
Upper
Outer Back
Shell
Lower
Outer Back
Shell
Back
Cushion
Retention
Clip Locations
Upright
Upright
bolts

Page 4 of 6
939504514 Rev F
Cushion Assembly Replacement
(also applies to upright, back shells, and seat shell replacement)
Seat
10. Remove E-Clips from grooves of the pivot pins then remove
the pivot pins on either side of chair
control using screw driver or punch and mallet.
11. Remove chair control, column, base assembly from top
plate/stretcher assembly.
12. Slide the stretcher assembly to its full forward position (if
applicable) and remove the seat attachment
screws.
13. Remove the stretcher assembly by sliding it back out of the
seat attachment bosses.
14. Remove the outer seat shell from the upholstered seat shell
by removing the 7 attachment screws.
15. Install the 7 attachment screws to attach the outer shell to
the upholstered seat.
16. Re-install the stretcher assembly by sliding it into the seat
attachment bosses.
17. Re-install the seat attachment screws. IMPORTANT - SET
TORQUE OF SCREWS TO 70-100 IN/LBS.
18. Install chair control/column/base assembly by inserting front
flange of chair control housing into the plastic
bumper/slide bearing at front of top stretcher assembly. Then
install the Synchro Pivot pins on both sides
of chair control using small hammer or mallet. Next install E-Clips
into the grooves of the pivot pins.
19. Install the upright and back assembly. by tapping the upright
bracket into the up right receptacle until
holes are aligned. Then install the upright screws.
IMPORTANT - SET TORQUE OF SCREWS TO 240-300 IN/LBS.
20. Re-install arms if chair has arms, per instructions on page 5.
Outer Seat
Shell
Bearing
Seat
Stretcher Assembly
Pivot Pin
Seat Attachment
Screws (2) Chair Control
Base Assembly
Outer Shell
Attachment Screws
E-Clip

Page 5 of 6
939504514 Rev F
Arm Replacement
1. Adjust chair to maximum seat height.
2. Turn chair upside down and set on stand or table.
3. Remove screw from the stretcher. Pull out arm and replace.
(May require tapping arm with rubber mallet.)
IMPORTANT - SET TORQUE OF SCREWS TO 175 -200 IN/LBS.
Note: Turn chair upsidedown and look for a lable with build
schedule information on it. Note the schedule number. For chairs
built on schedule 35, use the 1/4" dia. screw to install a
replacement arm. For chairs built on and after schedule 36, use
the 5/16"dia. screws.
Remove
Screw
Pull out
Arm

Page 6 of 6
939504514 Rev F
Flip Arm End Cap Replacement
1. To remove end cap, strike underneath side with a
rubber mallet.
2. To assemble new end cap, place on top of arm
mechanism and strike with the rubber mallet. End
cap is held in place with a spring clip. Make certain
end cap is held on securely.
Printed on 100% Recycled and 100% Recyclable Stock
NO trees were cut down to produce this booklet
(Please recycle this booklet when finished)
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