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Assembly instructions for IKEA SÖDERHAMN 1-seat section

A comprehensive assembly guide for the IKEA SÖDERHAMN 1-seat section. This manual provides step-by-step instructions for frame assembly, hardware installation, and connecting multiple sofa modules.

Table of contents

Manual images

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Quick guide from the manual

This manual provides instructions for assembling the IKEA SÖDERHAMN 1-seat section. Assembly requires two people to ensure safety and proper alignment. It is recommended to assemble the furniture on a soft surface, such as a rug or carpet, to prevent damage to the floor or the product. You will need an awl or a pencil for marking holes during the assembly process.

Parts list

Before beginning, ensure all components are present. The hardware kit includes:

Hardware and components included
Hardware and components included
  • Leg bolts (124149)
  • Threaded rods (124130)
  • Bolts (112121)
  • Washers (100854)
  • Nuts (100712)
  • Connecting clamps (124127)
  • Connecting plates (124150)
  • Assembly tool (120202)

Assembly instructions

Follow these steps to assemble the frame:

Step 1: Installing the legs and bolts
Step 1: Installing the legs and bolts
Step 3: Assembling the frame
Step 3: Assembling the frame
  1. Leg installation: Insert the leg bolts (124149) into the designated holes on the frame as shown in the diagram.
  2. Threaded rod insertion: Install the threaded rods (124130) into the frame structure.
  3. Frame assembly: With the help of a second person, align the frame sections and secure them using the washers (100854) and nuts (100712). Tighten firmly using the provided tool.
  4. Final tightening: Ensure all connections are secure before proceeding to attach covers or cushions.

Connecting sections

If you are combining multiple SÖDERHAMN modules, use the provided connecting clamps (124127) and plates (124150). Align the sections side-by-side, insert the clamps between the frames, and secure them using the bolts and washers provided in the connection kit. Ensure the sections are flush before fully tightening the clamps.

Connecting multiple SÖDERHAMN sections
Connecting multiple SÖDERHAMN sections

Manufacturer information

IKEA

Brand profile

Practical help

Common problems

Difficulty aligning frame sections

Ensure the frame is placed on a completely flat surface. Do not fully tighten bolts until all sections are aligned and connected.

Missing hardware

Check all packaging materials, including the inside of the frame or cushions. If parts are missing, contact IKEA customer support.

Before use

  • Clear a large, clean area for assembly.
  • Verify all parts listed in the parts list are present.
  • Have a second person available to assist with lifting and holding parts.
  • Use a soft surface (rug or carpet) to prevent floor damage.
  • Ensure you have an awl or pencil for marking fabric holes.

Images and diagrams

  • The manual uses universal symbols.
  • Arrows indicate the direction of movement or insertion.
  • The 'X' symbol indicates where to pierce fabric or mark holes.

Model compatibility

  • Designed for use with other SÖDERHAMN series modules.

Manual page author

David Miller

Documentation analyst

Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.