Assembly of Solid Wood Office Chairs

The steps for assembling solid wood office chairs vary depending on the specific style (such as Scandinavian ergonomic chairs or American solid wood chairs). Below are detailed assembly instructions for two common types:

I. Assembly Steps for Scandinavian Ergonomic Chairs

1. Connecting the Swivel Base to the Leg Frame
   Unfold the swivel base by rotating it up and down to ensure smooth movement. Align the bottom of the swivel base with the mounting holes on the leg frame. Insert the provided long screws from the outside of the frame through the reserved holes in the swivel base and secure them with nuts. Ensure the screws are fully tightened to prevent the swivel base from loosening.

2. Securing the Seat Cushion to the Frame
   Align the bottom of the seat cushion with the connection points on the leg frame, ensuring the clips or holes are aligned. Insert long screws from underneath the seat cushion through the corresponding holes in the frame and lock them with nuts. Check that the seat cushion is level with the frame to avoid tilting that affects use.

3. Installing the Armrest Frames
   Align both sides of the armrest frames with the mounting holes on the sides of the seat cushion. Insert long screws from the outside of the armrest frames through the holes in the seat cushion and secure them with nuts. Tighten the screws symmetrically to ensure the armrest frames are stable and do not wobble.

4. Fixing the Armrest Pads
   Align the pre-embedded nuts on the inside of the pads with the screw holes on the armrest frames. Insert short screws from the outside of the pads and tighten them until the screws are fully embedded in the nuts. Avoid over-tightening the screws to prevent deformation of the pads.

5. Attaching the Foot Pads
   Clean the dust from the bottom of the leg frame. Peel off the adhesive backing from the anti-slip foot pads and evenly attach them to the four corners of the frame. Press the foot pads for 30 seconds to ensure they are firmly attached and prevent the chair from sliding.

II. Assembly Steps for American Solid Wood Chairs

1. Mixing and Applying Glue
   Mix two bottles of glue (usually woodworking glue and hardener) in a 1:1 ratio and stir thoroughly. Apply the mixed glue to the holes and contact surfaces of the assembly rods. Ensure the glue covers the entire contact surface to prevent loosening after assembly.

2. Connecting the Front and Back Legs to the Angled Rods
   Insert the assembly rods with angled holes at both ends into the corresponding holes in the front and back legs, ensuring the angled holes are aligned. Press firmly on the rods to ensure the glue makes full contact with the wood surface.

3. Securing the Front and Back Rods
   Use four long screws to pass through the fixing holes in the front and back legs and screw them into the threaded holes in the assembly rods. A cross-head screwdriver or electric drill can be used for assistance, but control the torque to prevent the wood from cracking.

4. Connecting the Lower Part to the Seat Panel
   Invert the assembled lower part and align it with the reserved holes on the bottom of the seat panel. Insert bolts from above the seat panel through the holes in the lower part and lock them with nuts. Check that the seat panel is perpendicular to the lower part.

5. Fixing the Middle Rod to the Side Rods
   Align the small holes at both ends of the middle rod with the corresponding holes on the side rods. Insert the shortest screws from the outside of the side rods through the holes in the middle rod and secure them with nuts. Ensure the middle rod is tightly connected to the side rods with no gaps.

6. Inspecting the Chair After Turning It Over
   Turn the assembled chair over and check that all screws are tightened, the glue is dry, and the structure is stable. Gently shake the chair to test its stability and apply additional glue or reinforcement if necessary.