How to Assemble Office Chair Picture Step by Step

Assembling an office chair requires following steps precisely, and referring to pictures can enhance accuracy. The specific process is as follows:

I. Preparation Phase

1. Obtain Visual References
   Before unpacking, download product images from the brand's official website or take detailed photos of the same chair model in a physical store. Focus on recording the structures at the connections of the casters, armrests, and backrest to avoid rework due to incorrect orientation during assembly.

2. Verify Component Completeness
   After unpacking, lay all parts flat on a clean floor and check them one by one against the instruction manual's list. Pay special attention to whether small parts like screws and washers are complete and whether metal rods have scratches or deformations. It is recommended to keep the packaging materials until assembly is complete to prevent parts from being lost or the floor from being scratched.

3. Tool Preparation
   Most office chairs require a 4mm or 5mm Allen wrench (usually included in the package), a Phillips screwdriver, and a rubber mallet. If the chair has a gas lift, confirm that there is a 360° rotation mark at the bottom to avoid installing it in the wrong direction.

II. Step-by-Step Assembly

1. Install Casters and Footrest
   Align the five rubber wheels with the slots on the five-star base of the footrest. A "click" sound indicates that they are locked in place. Focus on checking the brake devices on each wheel to ensure they can brake normally when sliding.

2. Secure Armrests
   Align the armrests with the pre-embedded screw holes on both sides of the seat and tighten the screws in stages using an Allen wrench. Key principle: First manually screw in all screws to 70% depth, then tighten them alternately to avoid tilting the armrests due to excessive force on one side.

3. Connect Seat and Footrest
   Insert the gas lift vertically into the center hole of the footrest, then align the metal sleeve at the bottom of the seat with the top of the gas lift and press down slowly until you hear a "click" sound, indicating that the connection is complete. Note: This step requires two people to collaborate to prevent the gas lift from tilting and popping out.

4. Install Backrest
   Insert the steel connecting rod at the bottom of the backrest into the U-shaped slot at the back of the seat and secure it with the provided screws. Adjustment points: Adjust the tilt angle of the backrest by rotating the screws to ensure a comfortable range of 90°-110° with the seat.

5. Install Additional Components
   If the chair is equipped with a headrest, insert its bracket into the reserved hole at the top of the backrest and tighten the triangular screws by hand until they cannot be turned further. Do not overtighten with tools to prevent the plastic parts from cracking.

III. Inspection and Adjustment

After assembly is complete, perform the following checks:

• Sit on the chair to test the lifting and lowering function of the gas lift, ensuring there is no jamming or abnormal noise
• Rotate the chair to check the smoothness of the casters; the brake devices should be able to fix the chair immediately
• The backrest adjustment mechanism should be able to stay stably at each angle gear

Tip: If the steps in the instruction manual do not match the actual parts, prioritize the actual structure and contact the manufacturer to confirm whether the wrong parts were sent. Keep all packaging materials for at least 7 days for return or exchange purposes.