IKEA STEFAN 194.880.91 Chair instructions manual

The IKEA STEFAN 194.880.91 is a modern, sturdy office chair designed for comfort and durability. It features an adjustable seat height, a swivel base with smooth-rolling casters, a breathable mesh backrest for support, and a tilt mechanism with adjustable tension. The chair is designed for easy assembly with clear instructions and all necessary tools included. Below are key sections for safety, parts list, assembly instructions, adjustment features, care, and warranty information.

1. Parts & Tools Included 2. Safety Instructions 3. Assembly Steps 4. Adjustments & Features 5. Care & Maintenance 6. Specifications 7. Troubleshooting 8. Warranty & Support

Parts & Tools Included

Before assembly, verify all parts are present. Key components: Chair seat, Backrest, Gas lift cylinder, 5-star base with casters, Armrests (if included), Screws and bolts, Allen key (provided).

Part Number	Description	Quantity
A	Seat with attached mechanism	1
B	Mesh backrest	1
C	Gas lift cylinder	1
D	5-star nylon base	1
E	Casters (wheels)	5
F	Armrests (left & right)	2
-	Assembly screws & bolts	1 set
-	Allen key	1

Safety Instructions

Read all instructions before assembly. Ensure a clean, spacious work area.

Do not assemble alone; some parts are heavy.
Keep small parts away from children to avoid choking hazards.
Use only the provided tools; do not overtighten screws.
Ensure all connections are secure before use.
Check weight capacity (max 250 lbs / 113 kg). Do not exceed.

WARNING! Chair may tip if leaned back excessively. Use on flat, stable surfaces only. Periodically check for loose parts.

Assembly Steps

Follow steps in order. Estimated assembly time: 15-25 minutes.

Attach casters to base: Push each caster firmly into the sockets on the 5-star base until they click into place.
Insert gas lift cylinder: Place the cylinder into the center hole of the base, pressing down until secure.
Attach seat to mechanism: If not pre-attached, align the seat with the tilt mechanism and secure using the provided screws (tighten with Allen key).
Connect backrest: Position the backrest onto the rear of the seat assembly. Insert and tighten the bolts from underneath the seat.
Attach armrests (if applicable): Slide armrests into designated slots on the sides of the seat. Secure with screws.
Place seat assembly on cylinder: Lift the seat assembly and lower it onto the gas lift cylinder. Apply firm pressure until it clicks into place.
Final check: Ensure all parts are tight and the chair operates smoothly (height adjustment, swivel).

Tip: Do not force parts. If something doesn't fit, re-check orientation.

Adjustments & Features

Customize the chair for ergonomic comfort.

Seat Height: Lift the lever under the seat to raise/lower. Release to lock.
Tilt Tension: Rotate the knob under the seat front to adjust resistance when leaning back.
Backrest Angle: The chair tilts back; tension knob controls ease of tilt.
Swivel: 360-degree rotation on base.
Casters: Roll smoothly on hard floors or carpets.
Armrests (if included): Fixed position; padded for comfort.

Note: Adjust chair so feet rest flat on floor, knees at 90-degree angle.

Care & Maintenance

Proper care extends chair life.

Fabric/Mesh: Vacuum regularly. Clean with mild soap and damp cloth. Do not soak.
Plastic/Metal: Wipe with dry or slightly damp cloth.
Casters: Remove hair/dust buildup periodically to ensure smooth rolling.
Check tightness: Every few months, ensure all screws and connections are secure.

CAUTION! Do not use abrasive cleaners, solvents, or steam. Keep away from direct heat sources.

Specifications

Model: STEFAN 194.880.91
Color: Black mesh/black base (as per variant)
Dimensions (assembled): Height: 37-42" (adjustable), Width: 25", Depth: 24"
Seat Height Range: 18"-22" from floor
Materials: Polyester mesh, polypropylene plastic, steel frame, nylon base
Weight Capacity: 250 lbs (113 kg)
Warranty: 10-year limited warranty (see terms)

Troubleshooting

Issue	Possible Cause	Solution
Chair wobbles	Loose screws; uneven floor	Tighten all screws at base, seat, and backrest. Use on flat surface.
Height adjustment not working	Lever not engaged; cylinder issue	Ensure lever moves freely. Press down firmly on seat while lifting lever. If stuck, contact support.
Casters not rolling smoothly	Debris in wheels	Remove casters, clean hair/dust from stems and sockets.
Backrest feels loose	Bolts not tight	Tighten bolts connecting backrest to seat from underneath.
Gas lift sinks slowly	Normal wear over time	This may occur after extended use. If sinking is rapid, cylinder may need replacement.

Note: Do not attempt to repair gas cylinder; it contains pressurized gas.

Warranty & Support

IKEA limited warranty covers defects in materials and workmanship. Warranty details are included in the packaging or available at IKEA stores.

For missing parts or assembly help: Contact IKEA customer service at 1-888-888-4532 or visit www.ikea-usa.com. Have model number (194.880.91) and purchase details ready.

Recycling: At end of life, disassemble and recycle materials according to local regulations.