B905 - Office chair BOSS - Free user manual and instructions

Product Type	Office Chair
Brand	BOSS
Model	B905
Backrest Material	Mesh
Seat Material	Foam with fabric upholstery
Adjustable Armrests	Yes, 2D (height and angle)
Lift Mechanism	Pneumatic gas lift
Tilt Mechanism	Multi-function tilt with tension control
Seat Height Range	45 – 55 cm (approx.)
Seat Width	50 cm (approx.)
Seat Depth	48 cm (approx.)
Backrest Height	55 cm (approx.)
Overall Height	105 – 115 cm (approx.)
Weight Capacity	120 kg (approx.)
Net Weight	15 kg (approx.)
Base Material	Nylon with casters
Assembly Required	Yes, tools included
Cleaning Instructions	Wipe with dry cloth; avoid liquid detergents
Warranty	1 year (manufacturer)
Intended Use	Only for sitting; other use voids warranty

Frequently Asked Questions - B905 BOSS

How do I assemble the B905 office chair?

First, locate the hardware package attached under the seat cushion. Follow the step-by-step instructions on our website www.bosschair.com. Insert and loosely tighten all screws, then fully tighten them after assembly is complete.

What is the maximum weight capacity?

The B905 chair is designed to support up to 120 kg (265 lbs). Exceeding this limit may cause damage or injury.

Can I adjust the armrests?

Yes, the armrests are adjustable in height and angle. Lift the lever under the armrest to adjust.

How do I adjust the seat height?

Use the pneumatic gas lift lever located under the seat. Push the lever up to raise the seat, or push down to lower it while seated.

What is the tilt mechanism for?

The multi-function tilt mechanism allows you to recline and lock the backrest at desired angles. Use the tension control knob to adjust the rocking resistance.

How do I clean the mesh backrest?

Use a dry or slightly damp cloth to gently wipe the mesh. Avoid harsh chemicals or excessive water to prevent damage.

Are replacement parts available?

Yes, you can order replacement parts such as casters, gas lifts, and armrests from our website www.bosschair.com or contact customer support.

What tools are needed for assembly?

All necessary tools are included in the package. Typically, a hex key and screwdriver are provided.

Is the chair suitable for hard floors?

The standard casters are designed for carpeted floors. For hard floors, we recommend using a chair mat or purchasing optional floor-friendly casters.

What is the warranty period?

The B905 office chair comes with a 1-year limited warranty against manufacturing defects. Refer to the manual for full terms.

USER MANUAL B905 BOSS

Hardware package is attached on the bottom of seat cushion.

For further assembly instructions, please visit our website at www.bosschair.com

1	2
BACK PER MUSTbe over the mechanism

Insert and loosely tighten all screws. When assembly is completed, fully tighten all screws before using. This chair is only intended for sitting. Any other use will void the warranty.

Line drawing of an office chair with mesh backrest and adjustable arm (no text or symbols)

04/09