Best Office BT-HD1173

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Summary

Office Chair Parts Identification

Wheel Assembly

Components for the chair's base, including wheels and the central base tube.

Base and Gas Lift Components

Parts related to the chair's base structure and height adjustment mechanism.

Seat and Backrest Components

Key parts for the seating and back support, including the seat, backrest, and armrests.

Fasteners and Tools

Screws, bolts, and Allen key required for assembling the chair.

Office Chair Safety Precautions

General Usage Warnings

Important safety guidelines for using the chair, including weight limits and stability.

Maintenance and Security

Instructions for regular checks and tightening of chair components.

Injury Prevention

Warnings regarding potential injuries from misuse or improper handling of the chair.

Office Chair Assembly Steps

Step 1: Base Assembly

Assemble the chair base by attaching the wheels to the star base.

Step 2: Attaching Mechanism

Connect the chair mechanism to the seat base.

Step 3: Connecting Backrest

Attach the backrest to the chair seat assembly.

Step 4: Securing Armrests

Install the left and right armrests to the seat.

Step 7: Final Adjustments

Perform final tightening and checks after full assembly.

Chair Functionality and Operation

Height Adjustment

Instructions on how to adjust the chair's height using the lever.

Recline Adjustment

Details on how to adjust the chair's recline function.

This document provides assembly instructions and a parts list for the BT-HD1173 Office Chair.

Function Description

The BT-HD1173 is an office chair designed for single-person use, providing seating for work or other activities. It features a swivel base, adjustable height, and a reclining backrest to enhance user comfort and adaptability. The chair's design incorporates armrests and a headrest for ergonomic support.

Important Technical Specifications

Model Number: BT-HD1173
Weight Capacity: Designed for one person weighing up to 400 lbs (181 kgs).
Parts List:
- A: 5 x Wheels
- B1: Split base tube (part of the chair base assembly)
- B2: Central base tube (part of the chair base assembly)
- B3: Base cover (part of the chair base assembly)
- C1: 1 x Gas lift
- C2: 1 x Dust cover (for gas lift)
- D: 1 x Mechanism (for seat adjustments)
- E: 1 x Seat
- F: 1 x Back
- H: 1 x Allen key (for assembly)
- I1: Left armrest
- I2: Right armrest
- J1: Headrest
- N1: 1 x Steel plate (likely for backrest attachment)
- N2: 1 x Plastic cap (for armrest or base)
- N5: 1 x Plastic cap (for armrest or base)
Screws:
- Z2: 10 x M6x14 screws
- Z13: 14 x M6x25 screws
- Z17: 4 x M6x30 screws
- Z33: 2 x M6x20 screws

Usage Features

Assembly: The chair requires assembly using the provided parts and Allen key. The instructions are presented in a step-by-step visual format.
- Step 1: Assemble the chair base by attaching the wheels (A) to the split base tube (B1), then connecting the central base tube (B2) and base cover (B3). Insert the gas lift (C1) and dust cover (C2) into the central base tube.
- Step 2: Attach the mechanism (D) to the underside of the seat (E) using M6x25 (Z13) screws. Note: Do not fully tighten bolts until the product is fully assembled.
- Step 3: Attach the backrest (F) to the seat (E) using M6x25 (Z13) screws and the steel plate (N1). Note: Do not fully tighten bolts until the product is fully assembled.
- Step 4: Attach the armrests (I1, I2) to the seat (E) and backrest (F) using M6x30 (Z17) screws. Note: Do not fully tighten bolts until the product is fully assembled. The left and right armrests are different.
- Step 5: Attach the headrest (J1) to the backrest (F) using M6x20 (Z33) screws. Once all components are in place, fully tighten all bolts.
- Step 6: Insert the assembled chair top onto the gas lift (C1) on the base.
Adjustability:
- Height Adjustment: The chair's height can be adjusted using a lever, as depicted in the instructions. Pulling the lever up while seated will lower the chair; pulling it up while standing will raise the chair.
- Recline Function: The chair can recline. To recline, pull the handle on the side out.
- Tilt Tension Adjustment: There is a circular knob under the chair. Turning this knob will lessen the force required to lean back, allowing for adjustment of the tilt tension.
Swivel Function: The chair is designed to swivel. Users are advised to be careful not to drop a computer or other items when swiveling the chair.

Maintenance Features

Regular Inspection: Users are advised to check all bolts, screws, and knobs every 90 days.
Tightening: If any bolts, screws, or knobs are loose, they should be tightened immediately.

Safety Warnings

Intended Use: Do not stand on this chair or use it as a step ladder. Use it only as a chair.
Single User: This chair is designed for one person to use at a time.
Weight Limit: The chair is designed for one person weighing up to 400 lbs (181 kgs).
Secure Fasteners: Do not use this chair unless all bolts, screws, and knobs are firmly secured.
Injury Prevention: Failure to follow these instructions may result in serious injury or death to yourself and people around you.
Careful Installation: Some parts are heavy and/or have sharp edges. Install carefully to avoid injury.