How to Repair Office Chairs

Office chair repair requires targeted measures based on different types of faults. Here are the specific methods:

I. Repair of Leather or Leather-like Office Chairs

If the back of a leather office chair shows slight wear, first use a multi-functional cleaner to clean the damaged area, removing surface stains and aged cuticles to provide a clean base for subsequent repairs. During repair, pay attention to overall color coordination. The sanding process is crucial: use fine sandpaper (such as 400-600 grit) to sand evenly along the leather grain direction, avoiding excessive sanding that may make repair marks obvious. If the damaged area is large or the color difference is significant, it is recommended to contact a professional leather repair agency for handling.

II. Repair of Office Chairs Leaning to One Side

1. Check the condition of the wheels Turn the chair upside down and observe whether each wheel foot is bent, deformed, or broken. If the wheels are damaged, purchase new wheels of matching models:

   • Contact the manufacturer to provide the chair model and order original wheels;
   • Take the old wheels to an office supplies store to match replacement sets, ensuring that the shape (such as round or square) and size of the wheel axles are consistent with the original wheels.

2. Remove the old casters

   • Snap-on type: Hold the wheel with one hand and the bottom of the chair with the other hand, and pull hard; if the snap feet are tightly stuck, insert a flat-head screwdriver into the gap between the wheel foot and the chair contact point as a lever and slowly pry it to pull it out about 1 centimeter, then pull again.
   • Screw-fixed type: Use a screwdriver to loosen the screws and then remove the wheels.

3. Lubrication and installation

   • Spray a small amount of spray lubricant (such as WD-40) on each chair base socket, or apply a pea-sized amount of petroleum jelly to the wheel axles.
   • Use a rubber mallet to knock the new casters into the sockets: first align the caster rods with the base, gently push to confirm the position, and if not firmly seated, gently tap the top of the caster rods with a rubber mallet, avoiding tapping in the middle to prevent deformation.

4. Testing and troubleshooting Turn the chair upside down to test the new wheels. If it still leans, check whether the seat plate is damaged: place the chair on its side, find the metal seat plate (usually a square black steel plate) located at the bottom of the seat, and check whether the connection between it and the chair legs is loose or deformed.

III. Repair of Office Lifting Chairs or Gaming Chairs

If there are faults such as side leaning or inability to lift, disassemble the chassis, gas rod, and chair feet:

1. Disassemble the chassis: Turn the chair upside down, use a screwdriver to remove the screws fixing the bottom tray, and separate the seat cushion from the chassis. Hold the chassis upside down with one hand and strike specific positions (such as the edges or connections) with a rubber mallet. If there is no rubber mallet, wrap a towel around an iron hammer and strike several times to separate them.
2. Check the gas rod: If the fault originates from the gas rod, turn the chair upside down and strike the bottom of the gas rod flatly with a hammer from the side (avoid touching the middle button). Preferably choose gas rods with SGS and TUV certifications for replacement.
3. Replace the wheels: Most wheels can be pulled out directly. If they are stuck, refer to the removal method for leaning chairs.

Precautions: Wear gloves during operation to avoid scratches from metal parts; if disassembling the gas rod, ensure indoor ventilation to prevent accidental release of high-pressure gas.