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HOMCOM Racing Gaming Chair with Adjustable Height Manual – SKU: A2-0090

Black and blue HOMCOM racing gaming chair beside modern desk

Thank you for choosing the HOMCOM Racing Gaming Chair.
Designed for gamers, professionals, and home-office users, this chair delivers exceptional ergonomic comfort, sporty design, and smooth movement. Its combination of high-density foam, PU leather upholstery, and adjustable mechanics ensures both performance and long-term reliability.

1. Before You Begin Please Note

  • Assemble on a clean, flat, and soft surface to avoid scratching.
  • Verify all parts and hardware are included before assembly.
  • Recommended tools: Phillips screwdriver (not included) and Allen key (included).
  • Read all steps carefully before starting assembly.
  • Allow about 30–40 minutes for full assembly with one adult.

2. Safety Information

Read carefully and retain for future reference.

  • Weight Limit: Do not exceed 264 lbs (120 kg).
  • Proper Use: Use the chair only for sitting; do not stand or lean heavily on armrests.
  • Stability: Place on a level floor to prevent tipping.
  • Gas Lift Safety: Do not puncture, heat, or disassemble the gas lift cylinder.
  • Regular Maintenance: Check and tighten all screws every month.
  • Children: Keep small parts away during assembly to prevent choking hazards.

3. Package Contents

Confirm that you have all components before assembly. If any are missing or damaged, contact Aosom support.

Parts

PartDescriptionQuantity
ACasters (Wheels)5
BFive-Star Base1
CGas Lift Cylinder1
DGas Lift Cover1
EMechanism Plate (Tilt & Height Control)1
IArmrests (Left & Right)2
KSeat Cushion1
LBackrest1

Hardware

HardwareDescriptionQuantity
FScrews M6×204
GAllen Key1
HScrews M6×25 (includes 1 spare)8
JPlastic Caps (includes 2 spare)8

4. Assembly Instructions

When you are going to assemble your HOMCOM Racing Gaming Chair Follow these steps carefully and go ahead!

Step 1: Assemble the Base and Gas Lift

Insert casters into chair base and attach gas lift.
  • Insert all five Casters (A) into the sockets at the bottom of the Five-Star Base (B).
  • Press each caster firmly until it clicks securely into place.
  • Insert the Gas Lift (C) into the central opening of the base.
  • Slide the Gas Lift Cover (D) over the cylinder to conceal it.
  • Ensure the assembly is stable and upright before proceeding.

Step 2: Attach the Mechanism Plate to the Seat Cushion

Secure seat mechanism plate to cushion underside using screws.
  • Turn the Seat Cushion (K) upside down with the front edge facing you.
  • Align the Mechanism Plate (E) with the pre-drilled holes, ensuring the lever faces the seat’s right side when upright.
  • Secure the mechanism using four Screws (F) and tighten them firmly with the Allen Key (G).
  • Do not overtighten the plate should sit flush and stable on the seat base.
  • Double-check the “FRONT” marking for correct orientation before proceeding.

Step 3: Attach the Armrests and Backrest

Align and attach armrests and backrest to chair seat.
  • Align the Armrests (I) with the sides of the Seat Cushion (K), ensuring the correct left (L) and right (R) placement.
  • Position the Backrest (L) upright and align its mounting holes with the armrest brackets.
  • Insert eight Screws (H) through the brackets into the backrest and seat frame.
  • Tighten all screws evenly using the Allen Key (G) do not overtighten.
  • Confirm both armrests are level and the backrest is securely fixed.

Step 4: Attach Decorative Caps and Final Touches

Fit decorative caps on armrest bolts for clean finish.
  • Once the chair assembly is complete, insert the Plastic Caps (J) into the visible bolt holes on both sides of the chair.
  • Press each cap firmly until it clicks into place, covering the screw heads neatly.
  • Check that all bolts and screws are tightened securely but not over-tightened.
  • Test the armrests, tilt, and height adjustment to ensure smooth operation.

Assembly Complete 

Fully assembled ergonomic racing office chair ready for use.

Congratulations! Your HOMCOM Racing Gaming Chair (Model: A2-0090) is now fully assembled.

  • Double-check that all screws and bolts are securely fastened.
  • Test the height adjustment and tilt functions for smooth operation.
  • Ensure casters roll freely and the chair sits level on the floor.
  • Wipe down the chair with a soft cloth to remove any assembly dust.

5. Ergonomic Adjustment Guide

FunctionOperationAdjustment Range / Notes
Seat HeightLift lever up while seated or standing.17.7″ – 21.6″ (45 – 55 cm)
Tilt FunctionPull lever out to unlock; push in to lock upright.Recline angle 90° – 110°
Tilt TensionTurn the knob clockwise to tighten, counter-clockwise to loosen.Controls lean resistance
360° SwivelRotate freely in any direction.Keep feet flat for balance

Pro Tip: Keep your elbows at a 90° angle and your eyes level with the top of your screen.

6. Maintenance and Care

PU Leather Care

  • Wipe with a soft, damp cloth and mild soap solution.
  • Avoid abrasive or alcohol-based cleaners.
  • Keep away from direct sunlight and heat to prevent fading or cracking.
  • Use leather conditioner occasionally for flexibility and sheen.

General Maintenance

  • Inspect screws and bolts monthly; retighten if loose.
  • Lubricate wheels or joints if squeaking occurs.
  • Avoid standing or jumping on the seat to maintain structural integrity.

7. Troubleshooting

ProblemPossible CauseSolution
Height not adjustingGas lift not engagedReinsert and press down firmly on the seat.
Tilt function not workingLock lever pushed inPull the lever out to unlock the tilt.
Chair wobblesLoose screws / uneven floorTighten all bolts and place the chair on a level surface.
Wheels stiff or noisyDust / debris in castersClean and lubricate caster wheels.
Backrest tilts too easilyLow tension settingTighten the tilt tension knob under the seat.

8. Post-Assembly Checklist

  • All screws and bolts tightened securely.
  • The chair swivels and rolls smoothly.
  • Gas lift adjusts height properly.
  • Backrest tilts and locks as intended.
  • No gaps or loose components detected.

9. Warranty and Support

This product is manufactured by Aosom LLC under the HOMCOM brand.

Warranty Coverage and Return Policy

  • Standard limited warranty against manufacturing defects.
    All purchases may be returned for any reason within 30 days from the date of delivery. 
  • Returns will incur no fees if the product is defective or damaged. Otherwise, customers will bear the return shipping costs.

You can also download the full HOMCOM Racing Gaming Chair (SKU: A2-0090) Manual for future reference.

For technical support, replacement parts, or product questions, contact Aosom LLC’s Customer Service and get friendly assistance.

FAQs

1. Why is my chair wobbling, and how can I fix it?

A wobbly chair may be caused by loose screws or an uneven floor. Tighten all bolts and ensure the chair is on a stable, level surface. Recheck for any missing screws or improperly installed components.

2. What should I do if the tilt function isn’t working?

Check if the tilt lock lever is engaged; pull it out to unlock the tilt function. If the problem persists, inspect the tilt tension and adjust the knob for proper resistance.

3. How can I resolve stiff or noisy wheels on my gaming chair?

Clean the caster wheels to remove dust or debris, which can cause stiffness. Lubricate the wheels with a suitable grease or oil to restore smooth movement and reduce noise.

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