Office Chair Rocking Function Broken

When the rocking function of an office chair is broken, you can troubleshoot and repair it by following these steps:

I. Preliminary Inspection and Simple Repairs

1. Identify the Fault Type
   Distinguish between faults in the "rocking function" (back-and-forth swaying) and the "height adjustment function" (lifting). If only the rocking function fails, focus on inspecting the base-related components; if the height adjustment is abnormal, investigate the gas lift or pneumatic pump.

2. Inspect the Adjustment Handle/Lever

   • Move the adjustment handle or lever under the armrest to check for sticking or failure to reset. If the handle feels loose, jammed, or offers no resistance when moved, it may indicate that the internal connecting parts of the lever have come loose or are damaged.
   • Attempt to Reset: Some levers can be reset manually by pressing or rotating them; if the connecting parts are broken, replace them with new components (contact the seller for compatible parts).

3. Check for Base Noises and Connecting Screws

   • Gently lean back in the chair and listen for metallic friction or spring breakage sounds from the base. Such noises may indicate damage to the springs, dampers, or bearings.
   • Check if the screws connecting the base to the seat cushion and gas lift are loose. Use a screwdriver or wrench to tighten all visible screws to prevent structural loosening due to prolonged use.

II. In-Depth Inspection and Professional Repairs

1. Damaged Base Mechanical Components
   If the internal springs of the base are broken, the dampers are leaking oil, or the bearings are seized, the base must be disassembled for replacement. Such operations require professional tools (e.g., spring compressors) and skills. It is recommended to contact the seller or a professional repair technician to avoid secondary damage caused by improper disassembly.

2. Loose Structural Connections
   If no obvious damage is found during the preliminary inspection but the chair still cannot rock, hidden connection points may be loose. Use an appropriately sized wrench to check the connections between the base and the five-star base, as well as the gas lift, ensuring all screws are tightened properly.

III. Additional Recommendations

1. Contact After-Sales Warranty Service
   If the chair is still under warranty, contact the seller or brand's after-sales service directly. Repairs or part replacements are usually free during the warranty period. Outside the warranty period, inquire about paid repair services.

2. Consider Purchasing a New Chair
   If the chair has been in use for a long time (e.g., over 5 years) or the fault involves core base components (e.g., welded joint breakage), the repair cost may approach the price of a new chair. In such cases, consider purchasing a new chair designed with ergonomic principles to ensure long-term comfort.

Tip: Avoid violent rocking or overloading (usually, the weight limit for office chairs is 100-120 kg) during daily use to extend the lifespan of the rocking function. Regularly inspect the base screws and apply a small amount of lubricant to reduce wear and tear.