Yaheetech Ergonomic Adjustable Height Office Chair Instruction Manual

1. Maklumat Keselamatan Penting

Sila baca semua arahan dengan teliti sebelum pemasangan dan penggunaan. Simpan manual ini untuk rujukan masa hadapan.

• For your safety, do not stand on this chair.
• Pastikan semua skru dan bolt diketatkan dengan selamat sebelum digunakan.
• Jangan gunakan kerusi di atas permukaan yang tidak rata.
• Maximum load capacity: 300 lbs. Do not exceed this weight limit.
• Allow ±1.5cm/0.6inch errors in seat height due to manual measurements.

2. Produk Lebihview

The Yaheetech Charles Ergonomic Office Chair is designed for comfort and support in your workspace. It features a breathable mesh back, adjustable lumbar support, a thick cushioned seat, and smooth-rolling casters.

Imej: Depan dan sisi view of the Yaheetech Charles Ergonomic Office Chair in blue.

3. Persediaan dan Pemasangan

Assembly is required. Please follow these steps carefully. All necessary tools are included.

3.1 Components Checklist

• 1 x Kusyen Tempat Duduk
• 1 x Punggung Belakang
• 1 x Silinder Angkat Gas
• 1 x Star Base
• 5 x Kastor
• 2 x Tempat letak tangan
• 1 x Mechanism Plate
• Perkakasan (skru, pencuci, sepana Allen)

3.2 Langkah Perhimpunan

1. Pasang Kastor ke Pangkalan Bintang: Insert each caster into the holes at the end of the star base legs until they click securely into place.
2. Masukkan Pengangkat Gas: Letakkan silinder pengangkat gas ke dalam lubang tengah tapak bintang yang telah dipasang.
3. Pasang Plat Mekanisme pada Tempat Duduk: Align the mechanism plate with the screw holes on the underside of the seat cushion. Ensure the 'FRONT' marking on the mechanism faces the front of the seat. Secure with screws and washers using the provided Allen wrench.
4. Pasangkan Tempat Letak Tangan pada Tempat Duduk: Align the armrests with the designated holes on the sides of the seat cushion. Secure with screws. Do not fully tighten yet.
5. Pasangkan Sandaran pada Sandaran Tangan: Align the backrest with the remaining holes on the armrests. Secure with screws. Once all screws are in place for the armrests and backrest, tighten them fully.
6. Sambungkan Pemasangan Tempat Duduk ke Lif Gas: Carefully place the assembled seat (with armrests and backrest) onto the gas lift cylinder, ensuring it sits firmly in the mechanism plate.

4. Arahan Operasi

4.1 Adjustable Seat Height

To adjust the seat height, locate the lever under the seat on the right side. Pull the lever up while sitting on the chair to lower the seat, or pull it up while standing to raise the seat. Release the lever to lock the height.

4.2 Reclining Function and Tilt Tension

The chair can be tilted and leaned backward. To activate the reclining function, pull the lever under the seat outwards. To lock the chair in an upright position, push the lever inwards. The tilt tension control knob, located under the seat, allows you to adjust the resistance of the recline. Turn clockwise to increase tension (stiffer recline) or counter-clockwise to decrease tension (easier recline).

4.3 Lumbar Support

The chair features fixed lumbar support designed to follow your spine's natural curve, promoting proper posture and reducing back strain.

Imej: Jarak dekat view highlighting the fixed lumbar support and breathable mesh backrest for enhanced comfort.

4.4 360° Swivel and Rolling Casters

The chair is equipped with a 360° swivel function and smooth-rolling casters, allowing for easy movement and flexibility around your workspace.

5. Penyelenggaraan

5.1 Pembersihan

Lap bersih dengan iklanamp kain. Elakkan bahan kimia yang keras atau pembersih yang kasar yang boleh merosakkan bahan tersebut.

5.2 Pemeriksaan Berkala

Periksa semua skru dan bolt secara berkala untuk memastikan ia kekal ketat. Ketatkan semula jika perlu untuk mengekalkan kestabilan dan keselamatan.

6. Penyelesaian masalah

6.1 Chair Not Adjusting Height

• Pastikan tuil pengangkat gas telah digunakan sepenuhnya.
• Periksa sama ada silinder pengangkat gas dipasang dengan betul di tapak dan plat mekanisme.

6.2 Wheels Not Rolling Smoothly

• Check for any debris (hair, dust, etc.) caught in the casters and clean them.
• Ensure casters are fully inserted into the star base.

6.3 Instability/Wobbling

• Verify all assembly screws are securely tightened.
• Pastikan kerusi berada di atas permukaan yang rata dan rata.

7. Spesifikasi

Image: Detailed diagram showing the dimensions of the Yaheetech Charles Ergonomic Office Chair.

8. Waranti dan Sokongan

For warranty information or customer support, please refer to the documentation included with your purchase or contact Yaheetech directly. Extended protection plans may be available for purchase.