Office Chair Cannot Rotate

If your office chair cannot rotate, follow these steps to troubleshoot and resolve the issue:

1. Check and clean the 'blockage points' - wheels and foreign objects Over time, hair, threads, pet fur, or carpet fibers can become entangled in the wheel axles, causing them to jam. Tilt or lay the chair down and inspect each wheel individually: manually rotate them to check for smooth movement. If you find any resistance, use tweezers, the tip of scissors, or a hook to remove the entangled material. Also, check the floor condition; thick or rough carpets can increase resistance, so temporarily move the chair to a smooth surface for testing. Additionally, small debris (such as pebbles or dust clumps) may get stuck in the gaps of the casters; use tweezers or a fine toothpick to remove them and wipe the surface and gaps with a damp cloth.

2. Check and tighten the 'joints' - screws and connectors Prolonged use or frequent rotation can cause screws to loosen. Focus on checking two areas:

• The connecting screws between the five-star base and the central swivel plate: Located at the bottom of the swivel plate, use a Phillips or Allen screwdriver to tighten them moderately, avoiding over-tightening which can lead to stripped threads.
• The fixing screws of the wheel mounting brackets: Check and tighten each one to eliminate any play or misalignment of the components that may cause sticking. If the chair uses snap-fit connections (such as where the swivel plate connects to the seat), adjust the position of the snaps or tighten any loose small screws, and manually rotate to test for smoothness.

3. Lubricate the 'core' - swivel plate bearings The ball bearings and raceways inside the swivel plate can rust and become stuck due to dried-up grease or dust intrusion. Aim the nozzle of WD-40 multi-purpose lubricant at the gap between the swivel plate and the base, lightly spray, and then rotate the chair back and forth repeatedly to help the lubricant penetrate. Wait a few minutes, wipe off any excess oil, and test for smooth rotation. If it still requires effort, you can temporarily use 1-2 drops of cooking oil as an emergency measure, or use sewing machine oil or dedicated mechanical lubricant, applying 1 drop each to the gap at the center of the swivel plate and the bearing area, manually rotate the base to distribute the oil evenly, and let it sit for 2 minutes before testing. If the universal bearings of the casters are low on oil, you can also drip lubricant into them to reduce friction.

4. Check for damaged components If the above steps do not resolve the issue, it may be due to aged and deformed plastic on the casters, worn-out axle bearings, a faulty gas lift, or deformed metal components. In this case, you will need to replace the casters or the base, or contact after-sales service to repair the corresponding components.