Page 1
Models: 521-LX / 521-LX-AA Stimulus Series Leatherette Mid-Back Chair
Parts Listing
Assembly Instructions
Please read all instructions before assembly.
Tools Needed: Allen Wrench included.
Step 1: Insert Casters (G) into Chair Base (C). Insert Gas Lift (E) into Chair Base (C)
with large side facing down and cover with Telescopic Bellows (F).
Step 2: Place Chair Seat (B) upside-down on a level, non-abrasive surface and
align pre-drilled holes in Seat Mechanism (D) with holes in Chair Seat (B).
The thinner portion of seat should face the back. Insert four Mechanism
Screws (H) through the holes in the Seat Mechanism (D) and into the
Chair Seat (B). Tighten with Small Allen Wrench (K).
If you are assembling a model with optional Adjustable Arms please
proceed to subsequent page for armrest assembly instructions.
Connect Chair Back (A) to Chair Seat (B) by inserting the bar on bottom
Step 3:
of the Chair Back (A) into the back of the Seat Mechanism (D). Then
attach by inserting 8x20mm Screws (I) through Washers (J) and secure
using the large Allen Wrench (L).
Carefully place chair body onto the Gas Lift (E) by aligning the
Step 4:
hole in the Seat Mechanism (D) with the top of the Gas Lift (E).
Carefully sit on chair to make sure the Gas Lift (E) is properly inserted
into the Base (C). Operate the Gas Lift Lever on the Seat Mechanism (D)
to be sure unit is working.
A
Chair Back
1 Unit
C
Chair Base
1 Unit
E
Gas Lift
1 Unit
B
Chair Seat
1 Unit
D
Seat Mechanism
1 Unit
F
Telescopic Bellows
1 Unit
STOP
STOP
G
Casters
5 Units
J
Washer
3 Units
H
6x25mm Screws
4 Units
K
Small Wrench
1 Unit
I
8x20mm Screws
3 Units
L
Large Wrench
1 Unit
1
F
2
B
E
C
G
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.
06.30.2014
K
H
D
3
B
D
J
L
I
A
4
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
Page 2
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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