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OFM 640 User Manual

Model 640, Posture task chair, Assembly instructions

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STOP

Assembly Instructions

Tools Needed: Phillips Head Screwdriver

Please read all instructions before assembly.

Step 1: Insert Casters (D) into Chair Base (C).
Step 2: Insert Gas Lift (E) into Chair Base (C) and cover with

Telescopic Bellows (F).

Step 3: Attach Chair Arms (G) using six 6mm Screws (I). At this

stage, you have some adjustments to how close to the

side of the seat the arms should be. Tighten firmly.

Step 4: Attach Chair Back (A) to Chair Seat (B) using four 8mm

Screws (H). Tighten firmly.

Step 5: Carefully place Chair Seat (B) onto the Gas Lift (E),

aligning the hole in Chair Seat (B) with the Gas Lift (E).

Step 6: Carefully sit on chair to make sure the Gas Lift (E)

is properly inserted into the Base (C).

A

Chair Back

1 Unit

B

Chair Seat

1 Unit

C

Chair Base

1 Unit

D

Casters

5 Units

E

Gas Lift

1 Unit

F

Telescopic Bellows

1 Unit

G

Chair Arms

2 Units

H

8mm Screw

4 Units

I

6mm Screw

6 Units

Assembly Notes:

During assembly, hand tighten screw only when all screws

are in place, you may then tighten all screws completely.
CAUTION:

1. Do not use this chair as a step ladder.

2. Check for loose screws and tighten them every 6 months.

Model 640

Posture Task Chair

WEIGHT CAPACITY: 250 lbs.

Parts Listing

919-362-4765 (fax)
www.ofminc.com

161 Tradition Trail Holly Springs, NC, 27540
800-520-7471 (voice)
919- 303-6389 (voice)
[email protected]

06.21.2010

D

C

I

G

H

A

E

F

B