OFM Stimulus Series User Manual

Models: 521-LX / 521-LX-AA Stimulus Series Leatherette Mid-Back Chair
Parts Listing
4
D
Seat Mechanism
1 Unit
C
Chair Base
1 Unit
E
Gas Lift
1 Unit
F
Telescopic Bellows
1 Unit
A
Chair Back
1 Unit
B
Chair Seat
1 Unit
3
I
J
D
B
A
L
2
H
K
B
D
1
F
E
C
G
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.
Step 3:
Connect Chair Back (A) to Chair Seat (B) by inserting the bar on bottom
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).
Step 4:
Carefully place chair body onto the Gas Lift (E) by aligning the
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.
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.
919-362-4765 (fax)
www.ofminc.com
161 Tradition Trail, Holly Springs, NC, 27540
800-520-7471 (voice)
919-303-6389 (voice)
support@ofminc.com
STOP
STOP
06.30.2014
K
Small Wrench
1 Unit
J
Washer
3 Units
L
Large Wrench
1 Unit
G
Casters
5 Units
H
6x25mm Screws
4 Units
I
8x20mm Screws
3 Units

OFM Stimulus Series Specifications

General

Type	Office Chair
Weight Capacity	250 lbs
Assembly Required	Yes
Adjustability	Seat Height, Tilt Tension, Arm Height (varies by model)
Material	Mesh back, padded seat, nylon base
Color	Black

Summary

Chair Parts Identification

Chair Back and Seat

Identifies the Chair Back (A) and Chair Seat (B), each required in 1 unit.

Chair Base and Mechanism

Details the Chair Base (C) and Seat Mechanism (D), both needed in 1 unit.

Lift and Bellows

Specifies the Gas Lift (E) and Telescopic Bellows (F), each needed as 1 unit.

Fasteners and Tools

Lists Casters (G), Screws (H, I), Washers (J), and Wrenches (K, L).

Chair Assembly Steps

Step 1: Attach Casters and Bellows

Insert casters into the chair base and add the gas lift with bellows.

Step 2: Mount Seat Mechanism

Align and attach the seat mechanism to the chair seat using screws.

Step 3: Connect Chair Back

Attach the chair back to the seat mechanism with screws and washers.

Step 4: Final Chair Placement

Place the chair body onto the gas lift and test its functionality.

Adjustable Armrest Assembly

Armrest Parts Listing

Identifies Adjustable Armrest (A), Screws (B), Washers (C), and Wrench (D).

Step 1: Prepare Chair Seat

Turn the chair seat upside down on a clean, non-abrasive surface.

Step 2: Align Armrest

Align armrest holes with the chair seat, ensuring height buttons face outward.

Step 3: Attach Armrest

Use screws and washers to attach the armrest to the chair seat.

Step 4: Tighten Armrest Screws

Securely tighten the armrest screws using the provided wrench or screwdriver.

Adjusting Armrest Height

Pull the height adjustment button to slide the armrest to the desired position.