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