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8" or longer 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.
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Turn chair over. BOLT Remove four (4) back assembly bolts. Remove back assembly and back angle rear cover. Set back angle rear cover aside until reassembly. Flip chair back over. Slide seat fully forward while holding the seat slide lever. SEAT SLIDE LEVER BACK ANGLE...
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Locate the white quick release tab located on the left hand side of the chair (as you sit in it) between the plates. Lift the quick REAR release tab (6a) while lifting the seat slide lever (6b) and sliding the seat forward & off. FRONT REAR FRONT...
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Remove two (2) screws on each arm. Remove arms. SCREW Page 4 of 9 939548206 Rev A...
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BASE PNEUMATIC CYLINDER Turn chair over. Hit bottom REMOVAL TOOL of the cylinder with a hammer (9a) while pulling forward on the chair base (9b). Remove chair base. NOTE: If stool chair, loosen and remove footring. Install the pneumatic cylinder removal tool (part number 879100100) on the top part of the column, as close as possible to the...
Unsnap front corners of the engine cover and slide forward (13a) and remove (13b). ENGINE COVER To install the new chair control, begin by reversing steps 13a and 13b. Install cylinder into chair control. Align base with cylinder and slide onto cylinder. NOTE: If installing a stool chair, reinstall footring prior to base.
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Flip chair over. Slide the arms onto the chair control. Attach arms using two (2) screws per arm. Tighten to 25-35 in/lbs. SCREW Page 7 of 9 939548206 Rev A...
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Align seat with chair control and engage slots on the bottom of the seat with the tabs located on the seat bearings. TAB ON BEARING SLOT ON BOTTOM OF CHAIR Slide seat fully backward while holding the seat slide lever. SEAT SLIDE LEVER Page 8 of 9...
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BOLT Sit in chair to seat the cylinder into the chair control and base. Turn chair over. Install back angle rear cover onto the edge of the chair control (24a). Insert the back assembly (24b). Secure using four (4) back assembly bolts.
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