Steelcase Turnstone Jack Chair TS303 User manual

©2007 Steelcase Inc.
Grand Rapids, MI 49501 U.S.A.
Printed in U.S.A.
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Jack Chair
CASTER
CYLINDER
SEAT
HOLE IN SEAT
MECHANISM
TOP OF CYLINDER
1. Inserting The Casters or Glides
Insert the shafts of the casters (or
glides) into their corresponding
sockets on the base. Make sure the
casters (or glides) seat firmly. Stand
the base upright.
2. Inserting The Cylinder
With the base resting on the floor
insert the cylinder as shown.
Installation Of Optional Stool Kit
Insert the gas cylinder into the
foot-ring and tighten the hand wheel.
Insert the cylinder into the base as
shown.
3. Attaching The Seat
Line up the top of the cylinder with the
corresponding hole on the bottom of
the mechanism and place the seat.
Grabbing both sides of the seat pan
firmly push the entire chair towards the
floor to properly seat the tapers of the
cylinder into the seat and base.
Page 1 of 2
939500083 Rev B
5MM
HEX DRIVE
5/32
BALL HEAD HEX DRIVE

Page 2 of 2
939500083 Rev B
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5
M8 SCREW
1/4-20 SCREW
ARM
ARM
4. Attaching The Back Fixed Height
Attach the J-Bar to the seat pan using the
four (4) M8 screws.
Adjustable Height
Insert the J-Bar into the corresponding slot
on the mechanism. Secure the J-Bar to the
mechanism using the three (3) M8 screws.
5. Optional Arm Installation
Attach the arms using the four (4) 1/4-20
screws.
L
R
REAR SCREW
LOCATIONS
NOTE: Insert rear screws
first on all J-Bars.
Start all screws before
tightening any screws fully.
J-BAR
SYNCHRO TILT MECHANISM