Office Chair Cannot Move

The solution to an office chair that cannot move depends on the type of chair. Here are common situations and handling methods:

Regular Adjustable but Locked Office Chairs

The adjustment mechanisms of most ergonomic office chairs are located beneath the seat, typically equipped with a gas lift lever or a slide rail unlocking structure. Operating Steps: Stand to the side of the chair, locate the circular knob or lever at the connection point between the chair legs and the seat, press it down, and then push the chair forward or backward along the floor to the desired position. Release the knob to automatically lock the chair. If the chair has a five-star base with wheels, be careful to avoid surrounding objects when pushing to prevent damage from collisions.

Old-fashioned Fixed-leg Office Chairs

Some old-fashioned chairs have fixed legs and require screw adjustments to change their position. Operating Steps: First, check the chair's instruction manual to confirm its structure. If adjustment is needed, loosen the fixing screws beneath the chair legs, move the chair to the appropriate position, and then retighten the screws. Due to their outdated design, these chairs have a lower market share. Before operating, be sure to confirm the position of the screws and the tightening force to avoid damaging the chair legs.

Non-sliding Seats (e.g., W929 Hollow Model)

These seats are designed for fixed use and do not have the ability to move by themselves. Modification Plan: If mobility needs to be added, refer to the modification methods for ordinary office chairs and install wheels to achieve it. The specific steps are as follows:

1. Material Preparation and Compatibility Check:

   • Select compatible wheels: Prioritize universal wheels with self-tapping screws (such as silent rubber wheels), ensuring that each wheel can bear a weight of ≥40kg. If the chair legs are made of metal, prepare additional compatible screws; wooden or plastic chair legs can be directly fixed with self-tapping screws.
   • Auxiliary tools: Prepare a screwdriver (cross or flat-head, depending on the type of self-tapping screw) and a tape measure (to measure the distance between the chair legs and ensure symmetrical wheel installation).

2. Remove Original Components:

   • Invert the chair with the legs facing up and place a soft cloth underneath to prevent scratches.
   • Use a screwdriver to rotate counterclockwise and remove the self-tapping screws of the original plastic pads. Keep the screws for backup (ignore if the wheels come with their own screws).

3. Install Wheels:

   • Use a tape measure to measure the four corners at the bottom of the chair legs and mark the center positions of the wheels to ensure that the four wheels are arranged in a rectangular shape.
   • Align the center hole of the wheel with the marked point, insert the self-tapping screw vertically, and rotate it clockwise until the wheel base is tightly against the chair leg. If the chair legs are made of metal, drill a hole (with a diameter slightly smaller than the screw) before fixing; wooden chair legs can directly penetrate the self-tapping screws.
   • After installation, gently shake the wheels to confirm that there is no looseness or wobbling, and tighten all the fixing screws.

4. Testing and Adjustment:

   • After standing the chair upright, gently push it to observe whether the movement is smooth and whether the wheels turn flexibly.
   • Sit on the chair and move slowly to check the load-bearing stability. If there is stuttering or abnormal noise, retighten the screws or replace the wheels; if the movement direction is skewed, adjust the installation angle of the wheels or replace them with wheels that distribute the load more evenly.