OFM 150-DK User Manual
Model 150 / 150-AA / 150-DK / 150-AA-DK Lite Use Computer Task Chair
Parts Listing
A
Caster
5 pcs.
C
Gas Lift
1 pc.
E
Chair Seat
1 pc.
G
Toothed Washer
1 pc.
B
Base
1 pc.
D
Telescopic
Bellows
1 pc.
F
Seat Mechanism
1 pc.
H
19mm Screw
4 pcs.
J
Back Depth
Adjustment
1 pc.
I
K
G
J
C
B
WEIGHT CAPACITY: 250 lbs.
Assembly Instructions
Tools Needed: Phillips Head Screwdriver
STOP
Please read all instructions before assembly.
E
F
H
D
Step 1:
If you are assembling a model with a DK Foot Ring please proceed
ST
OP
to subsequent pages for drafting kit assembly instructions.
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
with holes in Chair Seat.
Step 5:
If you are assembling a model with optional Adjustable Arms please
OP
ST
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:
Adjustment (J), and insert into slot on Seat Mechanism (F),
and into pre-drilled hole in Seat Back Bar ( I ),
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,
A
Insert Casters (A) into Base (B).
and align pre-drilled holes in Seat Mechanism (F),
Insert the four 19mm Screws (H) through the holes in
the Seat Mechanism (F), and into the Chair Seat (E).
Tighten with screwdriver
Place Washer (G and K) on threaded end of Back Depth
hand tighten
to hold in place.
for your personal comfort.
,
I
Chair Back
and Bar
1 pc.
K
Flat Washer
1 pc.
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.
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
support@ofminc.com
Model AA-1 Adjustable Arms
Parts Listing
A
AA-1 Adjustable Armrest
2 Units
B
M6x25mm Hex Screw
6 Units
C
Washer
6 Units
Height Adjustment
Button
Forward
A
Chair Seat
C
B
Assembly Instructions
Tools Needed: Phillips Head Screwdriver
STOP
Please read all instructions before assembly.
Step 1: Turn Chair Seat upside down and place on a
clean, non-abrasive surface.
Step 2: Align the pre-drilled holes in the Adjustable
Armrest (A) with the holes in the bottom of the
Chair Seat, making sure that the arms have the
height adjustment buttons facing out.
Step 3: Place three Washers (C) onto three M6x25mm
Hex Screws (B) and insert through the Armrest (C)
holes and into the Chair Seat.
Step 4: Tighten Screws (B) using supplied Wrench (D)
or screwdriver. It is recommended that to assure
screws are secure, a screwdriver is used to tighten.
To Adjust Arms:
Pull up on the Height Adjustment Button
and slide to desired height.
D
D
Wrench
1 Unit
Assembly Notes:
During assembly, hand tighten screws. 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.
04.06.2010
161 Tradition Trail Holly Springs, NC, 27540
800-520-7471 (voice)
919- 303-6389 (voice)
support@ofminc.com
919-362-4765 (fax)
www.ofminc.com
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