1
3
4
5
9R
10,14,13
9L
8
8
6
7
12
14
13
8
2
10,14,13
3121 SYNCHRO TILT MANAGERS CHAIR
ASSEMBLY INSTRUCTIONS
11
PART
QTY
1.
Base . . . . . . . . . . . . . . . . . . . . 1
2.
Casters . . . . . . . . . . . . . . . . . . 5
3.
Pneumatic Cylinder . . . . . . . . . 1
4.
Bellows . . . . . . . . . . . . . . . . . . 1
5.
Seat Plate . . . . . . . . . . . . . . . . 1
6.
Seat Cushion . . . . . . . . . . . . . . 1
7.
Back Cushion . . . . . . . . . . . . . 1
8.
1” Screws . . . . . . . . . . . . . . . . 4
9.
Arms Left (9L) Right (9R) . . . . 2
10.
Arm Width Adjustment Knobs
2
11.
Backrest Plate (pre-installed) 1
12.
Back Rest Knob . . . . . . . . . . . 1
13.
Small Flat Washer . . . . . . . . . 2
14.
Small Star Washer . . . . . . . . . 2
15.
Large Flat Washer . . . . . . . . . 1
16.
Larger Star Washer . . . . . . . . 1
17.
Allen Wrench (Not Shown) . . 1
© Office Star Products April 2006
DETAIL A
12
16
15
11
Remove all parts from carton, separate by part numbers indicated on parts list, and
verify part quantities.
STEP 1.
Insert five Casters (2) into Base (1), push hard until you feel or hear the Caster (1) snap into place. Insert
Pneumatic Cylinder (3) into Base (1) and slip Bellows (4) over Pneumatic Cylinder (3).
STEP 2.
Attach adjustable Seat Plate (5) to Seat Cushion (6) with the arrow towards the front of the chair, using four
1” Screws (8).
TIGHTEN ALL FOUR SCREWS COMPLETELY.
STEP 3.
Attach
Arms (9L & 9R) into Arm Bracket using Arm Width Adjustment Knob (10), Small Star Washer (14), and
Small Flat Washer (13).
TIGHTEN BOTH ADJUSTMENT KNOBS.
STEP 4.
Place the assembled seat on top of Pneumatic Cylinder (3) and apply downward pressure.
STEP 5.
Insert the Backrest Plate (11) to Seat Plate (5).
TIGHTEN THE BACKREST KNOB (12) COMPLETELY
(SEE DETAIL A).
ATTENTION: MAKE SURE ALL SCREWS ARE FULLY TIGHTENED BEFORE USING CHAIR.