IKEA MULLFJÄLLET 393.998.00 Armchair instructions manual

The IKEA MULLFJÄLLET 393.998.00 is a modern armchair designed for comfort and style, featuring a sturdy metal frame, removable and washable fabric cover, and ergonomic design suitable for living rooms, bedrooms, or offices. Below are key sections for safety, assembly, care, and warranty information.

1. Parts & Tools Included 2. Safety Instructions 3. Assembly Steps 4. Care & Maintenance 5. Specifications 6. Troubleshooting 7. Warranty & Support

Parts & Tools Included

Before assembly, check that all parts are present and undamaged.

Part NumberDescriptionQuantity
A1Armchair frame (main structure)1
A2Seat cushion1
A3Backrest cushion1
B1-B4Legs with pre-attached screws4
C1Allen key (tool)1
D1Fabric cover (removable)1 set
-Instruction manual1

Note: Some screws may be pre-attached to parts.

Safety Instructions

Read all instructions before assembly. Keep children and pets away during assembly.

  1. Weight limit: Do not exceed maximum load of 250 lbs (113 kg).
  2. Stability: Ensure all screws are tightened securely. Check periodically.
  3. Placement: Place on a flat, stable surface away from heat sources and direct sunlight.
  4. Assembly: Use only provided tools. Do not overtighten screws.
  5. Cover: Ensure fabric cover is properly attached to avoid slipping.

WARNING! Improper assembly may result in injury or damage. Assemble with care.

Assembly Steps

Estimated assembly time: 15-20 minutes. Follow steps in order.

  1. Prepare workspace: Lay out all parts on a clean, soft surface to avoid scratches.
  2. Attach legs:
    • Turn frame upside down.
    • Align legs (B1-B4) with pre-drilled holes at each corner.
    • Insert and tighten screws using the provided Allen key (C1). Ensure legs are firmly attached.
  3. Install cushions:
    • Place seat cushion (A2) onto the frame, ensuring it sits flat.
    • Place backrest cushion (A3) against the back frame.
  4. Attach fabric cover:
    • Slide fabric cover (D1) over the assembled frame, starting from the back.
    • Ensure cover is evenly distributed and secure all fasteners (hooks/straps) under the seat.
  5. Final check: Turn chair upright. Sit gently to test stability. Tighten any loose screws if needed.

Tip: Two-person assembly is recommended for easier handling.

Care & Maintenance

Proper care ensures longevity and appearance.

CAUTION! Do not soak the frame. Keep away from excessive moisture.

Specifications

Troubleshooting

IssuePossible CauseSolution
Chair wobblesLegs not tightened evenlyTurn chair over and tighten all leg screws securely.
Fabric cover slipsFasteners not securedReattach cover, ensuring all hooks/straps are fastened under seat.
Cushion feels unevenIncorrect placementRemove and reposition cushions according to step 3.
Screws missing or damagedPackaging error or lossContact IKEA customer service for replacement parts.
Difficulty attaching legsMisaligned holesEnsure frame is upside down and legs are oriented correctly.

Note: Do not use if parts are damaged. Contact support for assistance.

Warranty & Support

IKEA limited warranty applies. Refer to IKEA terms and conditions for details.

Disclaimer: IKEA reserves the right to change specifications without notice.

IKEA MULLFJÄLLET 393.998.00 Armchair instructions manual © - All Rights Reserved 2025