Introduction
Thank you for choosing the BOSMILLER Big and Tall Executive Office Chair. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new office chair. Please read these instructions carefully before assembly and retain them for future reference.
Image: The BOSMILLER Big and Tall Executive Office Chair, designed for comfort and support in an office environment.
Safety Information
- Weight Capacity: This chair is designed to support individuals up to 400 pounds (181 kg). Do not exceed this weight limit.
- Assembly: Ensure all parts are correctly assembled and tightened before use. Periodically check all bolts and screws for tightness.
- Stability: Avoid sudden movements or leaning excessively to one side, especially when reclining, to prevent tipping.
- Children: Keep children away from the chair during assembly. Do not allow children to play on or around the chair unsupervised.
- Movement: Use caution when moving the chair, especially on uneven surfaces.
- Footrest: Ensure the footrest is fully extended and locked before applying weight. Do not stand on the footrest.
Package Contents
Before beginning assembly, verify that all components are present and undamaged. If any parts are missing or damaged, please contact customer support.
- Backrest
- Seat Cushion with Armrests and Footrest mechanism
- Gas Lift Cylinder
- Star Base
- Casters (5 pieces)
- Mechanism Plate
- Hardware Pack (screws, washers, Allen wrench)
- User Manual (this document)
Assembly Instructions
Follow these steps to assemble your BOSMILLER Executive Office Chair. It is recommended to assemble the chair on a soft, non-abrasive surface to prevent damage.
- Attach Casters to Base: Insert each of the five casters into the holes at the end of each leg of the star base. Push firmly until they click into place.
- Insert Gas Lift: Place the gas lift cylinder into the center hole of the star base.
- Attach Mechanism Plate: Align the mechanism plate with the pre-drilled holes on the underside of the seat cushion. Ensure the front of the mechanism plate faces the front of the seat. Secure with screws using the provided Allen wrench.
- Attach Backrest: Align the backrest with the mounting brackets on the seat cushion. Secure with screws.
- Connect Seat to Gas Lift: Carefully place the assembled seat and backrest onto the gas lift cylinder, ensuring the center hole of the mechanism plate aligns with the top of the gas lift. Press down firmly to secure.
- Final Check: Verify all screws are tightened and the chair is stable before use.
Image: Overview of key chair components and features, useful for understanding assembly and function.
Operating Instructions
Your BOSMILLER Executive Office Chair offers several adjustable features for personalized comfort.
1. Seat Height Adjustment
- To raise the seat: While seated, lift the lever located on the right side of the seat. The seat will rise. Release the lever at the desired height.
- To lower the seat: While seated, lift the lever located on the right side of the seat. The seat will lower. Release the lever at the desired height.
2. Backrest Recline and Lock
- To recline: Pull the recline lever (typically on the left side) upwards. Lean back to the desired angle (between 90° and 135°). Release the lever to lock the backrest in position.
- To return to upright: While the backrest is locked in a reclined position, pull the recline lever upwards and lean forward slightly. The backrest will return to its upright position. Release the lever to lock.
3. Retractable Footrest
- To extend: Pull the footrest handle located beneath the front of the seat. Extend the footrest outwards.
- To retract: Push the footrest back under the seat until it is fully stored.
4. Flip-Up Armrests
- The armrests can be flipped up to allow the chair to be pushed closer to a desk or for easier entry/exit. Simply lift the armrests upwards until they lock into the vertical position. To lower, pull them down.
Image: Visual guide to the chair's adjustable features, including recline angles, swivel, and height adjustment.
Maintenance and Care
- Cleaning: Wipe clean with a damp cloth. For bonded leather, use a mild leather cleaner if necessary. Avoid harsh chemicals or abrasive cleaners.
- Inspection: Periodically inspect all bolts, screws, and moving parts to ensure they are secure. Tighten any loose fasteners.
- Casters: Keep casters free of hair and debris to ensure smooth movement.
- Avoid Direct Sunlight: Prolonged exposure to direct sunlight can cause the leather to fade or crack.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair feels unstable or wobbly. | Loose bolts or screws; improper assembly of gas lift to base. | Check and tighten all assembly bolts. Ensure the gas lift is fully seated in the base and mechanism plate. |
| Seat height adjustment not working. | Gas lift cylinder malfunction; lever not engaged correctly. | Ensure the lever is fully pulled. If the issue persists, the gas lift may need replacement. Contact customer support. |
| Backrest does not recline or lock. | Recline mechanism jammed or damaged; lever not engaged. | Check for obstructions. Ensure the recline lever is fully operated. If damaged, contact customer support. |
| Chair makes noise (squeaking, creaking). | Loose connections; friction between parts. | Tighten all bolts. Apply a small amount of silicone lubricant to moving parts or connection points if necessary. |
| Casters not rolling smoothly. | Debris (hair, lint) caught in casters. | Turn the chair over and remove any debris from the caster wheels. |
Specifications
| Brand | BOSMILLER |
| Model | Big and Tall Executive Office Chair with Footrest |
| ASIN | B0BM47JXP7 |
| UPC | 716035292296 |
| Weight Capacity | 400 pounds (181 kg) |
| Product Dimensions | 27.5 x 27.5 x 47.5 inches (L x W x H) |
| Item Weight | 62.9 pounds (28.5 kg) |
| Material | Bonded Leather, Nylon (Frame) |
| Fill Material | Memory Foam |
| Adjustable Features | Seat Height, Backrest Recline (90-135 degrees), Retractable Footrest, Flip-up Armrests, 360-degree Swivel |
Image: Detailed dimensions of the chair, including backrest height (46.85"), seat depth (26.2"), seat width (22"), seat height (21.65"), and wheelbase diameter (26.8").
Warranty and Support
BOSMILLER is committed to providing quality products. For warranty information, replacement parts, or technical assistance, please refer to the contact information provided at the point of purchase or visit the official BOSMILLER website. Please have your product model and ASIN (B0BM47JXP7) ready when contacting support.