PART
QTY
1.
Base . . . . . . . . . . . . . . . . . . . . . . . 1
2.
Casters . . . . . . . . . . . . . . . . . . . . . 5
3.
Pneumatic Cylinder . . . . . . . . . . . . 1
4.
Bellows . . . . . . . . . . . . . . . . . . . . . 1
5.
Mechanism . . . . . . . . . . . . . . . . . . 1
6.
Seat Cushion . . . . . . . . . . . . . . . . . 1
7.
Back . . . . . . . . . . . . . . . . . . . . . . . . 1
8.
Flat Washer . . . . . . . . . . . . . . . . . . 1
9.
Lock Washer . . . . . . . . . . . . . . . . . 1
10.
Mechanism screws . . . . . . . . . . . 6
11.
Short Back Support Screw . . . . . 1
12.
Long Back Support Screw . . . . . . 1
13.
Plastic Cover Screw. . . . . . . . . . . 2
14.
Plastic cover . . . . . . . . . . . . . . . . 1
15.
Back Support . . . . . . . . . . . . . . . . 1
16.
Allen Wrench (not shown) . . . . . . 1
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 (2) snap into place. Insert Pneumatic Cylinder (3) into Base (1) and
slip Bellows (4) over Pneumatic Cylinder (3).
STEP 2
Attach Mechanism (5) to Seat Cushion (6) with the arrow towards the front of the chair using six Mechanism Screws (10),
FULLY TIGHTEN ALL SCREWS.
STEP 3
Attach Back Support (15) to Back (7) using one Short Back Support Screw (11). Insert Back Support (15) into rear of Mechanism (5) and secure
using one Long Back Support Screw (12), one Flat Washer (8) and one Star Washer (9).
FULLY TIGHTEN ALL SCREWS.
Secure Plastic Cover (14)
over Back Support (15) using two Plastic Cover Screws (13).
FULLY TIGHTEN ALL SCREWS.
STEP 4
Place the assembled seat on top of Pneumatic Cylinder (3) and apply downward pressure.
ATTENTION: MAKE SURE ALL SCREWS ARE FULLY TIGHTENED BEFORE USING CHAIR.
1
2
3
4
5
6
7
10
15
13
12,8,9
11
14
HW Pro Mid-Back Office Chair Assembly Instructions
