OFM 150-DK User Manual
Lite use computer task chair, Assembly instructions
Assembly Instructions
Tools Needed: Phillips Head Screwdriver
Please read all instructions before assembly.
Step 1:
If you are assembling a model with a DK Foot Ring please proceed
to subsequent pages for drafting kit assembly instructions.
Insert Casters
(A) into Base (B).
Step 2: Insert Gas Lift (C) into Base (B).
Step 3: Cover Gas Lift (C) with 3 piece Telescopic Bellows (D).
Step 4: Place Chair Seat (E) on a level, non-abrasive surface
and align pre-drilled holes in Seat Mechanism (F),
with holes
in Chair Seat.
Step 5:
If you are assembling a model with optional Adjustable Arms please
proceed to subsequent pages for armrest assembly instructions.
Step 6: Carefully place Chair Seat (E) with attached Seat
Mechanism
(F) onto the Gas Lift (C), aligning the
hole in the Seat Mechanism with the Gas Lift.
Press down on Chair Seat to secure onto Base.
Step 7: Slide Seat Bar ( I ) (end with pre-drilled hole), under
Chair Seat
(E) and into the slot on Seat Mechanism (F).
Step 8:
Place Washer
(G and K) on threaded end of Back Depth
Adjustment
(J), and insert into slot on Seat Mechanism (F),
and into pre-drilled hole in Seat Back Bar
( I ), hand tighten
Step 9: Carefully sit on chair to make sure the Gas Lift (C)
is properly inserted into the Base
(B).
Step 10: Operate the Gas Lift Lever on the Seat Mechanism (F),
to be sure unit is working properly.
Step 11: Re-adjust Back Depth Adjustment (J) accordingly,
for your personal comfort.
STOP
STOP
STOP
Insert the four 19mm Screws
(H) through the holes in
the Seat Mechanism
(F), and into the Chair Seat (E).
Tighten with screwdriver
to hold in place.
H
19mm Screw
4 pcs.
G
Toothed Washer
1 pc.
A
Caster
5 pcs.
B
Base
1 pc.
C
Gas Lift
1 pc.
D
Telescopic
Bellows
1 pc.
J
Back Depth
Adjustment
1 pc.
F
Seat Mechanism
1 pc.
Chair Back
and Bar
1 pc.
Parts Listing
K
I
Flat Washer
1 pc.
E
Chair Seat
1 pc.
A
B
G
H
F
E
J
I
K
C
D
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 150 / 150-AA / 150-DK / 150-AA-DK
Lite Use Computer Task Chair
WEIGHT CAPACITY: 250 lbs.
07.07.2014
161 Tradition Trail, Holly Springs, NC, 27540
800-520-7471 (voice)
919-362-4765 (fax)
919-303-6389 (voice) www.ofminc.com
[email protected]