DC550 DRAFTING CHAIR
ASSEMBLY INSTRUCTIONS
Remove all parts from carton, separate them into part numbers as indicated on the Parts List and make sure part
quantities are correct.
STEP 1
Insert five Casters (1) into Base (2). Be sure all casters are inserted and locked into place.
STEP 2
Insert Pneumatic Cylinder (3) into Base (2),
STEP 3
Loosen Footring Height Adjustment Knob (18), slide Footring (17) down Pneumatic Cylinder (3). Hand tighten
Footring Height Adjustment Knob (18),slide plastic Bellows (4) over Pneumatic Cylinder (3).
STEP 4
Align holes of Back Rest (11) to Backrest Plastic Plate (13). Place Back Frame (9) flush into Backrest Plastic
Plate (13), align Backrest Metal Plate (14) and secure assembly with two Large Machine Screws (15).
FULLY TIGHTEN SCREWS.
Cover with Backrest Plastic Cover (16).
STEP 5
With arrows facing the front of chair attach Mechanism (8) to Seat (12) using six Small Machine Screws (10).
Slide Back Frame (9) with attached Back Rest (11) between Seat (12) and Mechanism (8). Secure with Backrest
Depth Adjustment Knob (5) through Flat Washer (6) and Lock Washer (7).
FULLY TIGHTEN ALL FULLY TIGHTEN ALL
SCREWS AND KNOB.
Place Upper assembled portion of chair onto Pneumatic Cylinder (3) and apply downward pressure.
ATTENTION: MAKE SURE ALL SCREWS ARE FULLY TIGHTENED BEFORE USING CHAIR.
Parts
Qty.
1.
Casters . . . . . . . . . . . . . . . . 5
2.
Base . . . . . . . . . . . . . . . . . . 1
3.
Pneumatic Cylinder . . . . . . . 1
4.
Plastic Bellows . . . . . . . . . . . 1
5.
Backrest Depth Adjustment
Knob . . . . . . . . . . . . . . . . . . 1
6.
Flat Washer . . . . . . . . . . . . 1
7.
Lock Washer . . . . . . . . . . . . 1
8.
Mechanism . . . . . . . . . . . . . 1
9.
Back Frame . . . . . . . . . . . . 1
10.
Small Machine Screws . . . 6
11.
Back Rest . . . . . . . . . . . . . 2
12.
Seat . . . . . . . . . . . . . . . . . . 1
13.
Backrest Plastic Plate . . . . .1
14.
Backrest Metal Plate . . . . . .1
15.
Large Machine Screws . . . .2
16.
Backrest Plastic Cover . . . . 1
17.
Footring . . . . . . . . . . . . . . . . . 1
18.
Footring Height Adjustment
Knob . . . . . . . . . . . . . . . . . . . 1
© Office Star Products July 2006
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DC550 DRAFTING CHAIR
ASSEMBLY INSTRUCTIONS
