Perkenalan
Thank you for choosing the MARK ADLER Expert 8.5 Executive Office Chair. This manual provides detailed instructions for the assembly, operation, maintenance, and troubleshooting of your new office chair. Please read this manual carefully before assembly and use to ensure proper function and longevity of the product.

Image: The MARK ADLER Expert 8.5 Executive Office Chair positioned at a desk in an office environment, showcasing its ergonomic design and grey mesh material.
Informasi Keselamatan
Harap perhatikan pedoman keselamatan berikut untuk mencegah cedera atau kerusakan pada kursi:
- Pastikan semua komponen terpasang dengan kencang sebelum digunakan.
- Jangan berdiri di atas kursi.
- Jangan gunakan kursi ini di permukaan yang tidak rata.
- Hindari memaparkan kursi pada sinar matahari langsung atau suhu ekstrem dalam jangka waktu lama.
- Jauhkan komponen-komponen kecil dari jangkauan anak-anak selama perakitan.
- Jangan melebihi kapasitas berat maksimum (lihat spesifikasi).
Isi Paket
Sebelum memulai perakitan, harap pastikan semua bagian lengkap dan tidak rusak. Jika ada bagian yang hilang atau rusak, silakan hubungi layanan pelanggan.

Image: An exploded diagram of the MARK ADLER Expert 8.5 office chair, illustrating all individual components and their respective dimensions in centimeters.
Common components include:
- Backrest with headrest
- Bantal kursi
- Sandaran tangan (2)
- Silinder pengangkat gas
- Pangkalan bintang
- Kastor (5)
- Mechanism plate
- Hardware kit (screws, washers, Allen wrench)
Pengaturan dan Perakitan
Follow these steps to assemble your MARK ADLER Expert 8.5 office chair. It is recommended to assemble the chair on a soft, clean surface to prevent damage.
- Pasangkan Roda ke Basis: Masukkan kelima roda ke dalam lubang di ujung setiap kaki alas bintang hingga berbunyi klik dan terpasang dengan aman.
- Masukkan Gas Lift: Place the gas lift cylinder into the center hole of the star base. Ensure it is seated firmly.
- Pasang Mekanisme ke Kursi: Align the mechanism plate with the pre-drilled holes on the underside of the seat cushion. Secure it using the provided screws. Ensure the front of the mechanism faces the front of the seat.
- Pasangkan Sandaran Tangan ke Kursi: Secure the armrests to the sides of the seat cushion using the designated screws. Ensure they are oriented correctly.
- Pasangkan Sandaran ke Kursi: Connect the backrest to the seat assembly. This typically involves aligning brackets and securing with screws.
- Hubungkan Rakitan Kursi ke Gas Lift: Pasang dudukan dan sandaran yang telah dirakit dengan hati-hati ke tabung gas lift, pastikan lubang tengah pelat mekanisme sejajar dengan bagian atas tabung gas lift. Tekan dengan kuat untuk mengencangkannya.
- Sesuaikan Sandaran Kepala: Once assembled, adjust the headrest to your preferred height and tilt.
Petunjuk Pengoperasian
The MARK ADLER Expert 8.5 chair offers multiple adjustment options for personalized comfort.
Penyesuaian Ketinggian Kursi
To adjust the chair height, pull the lever located under the seat upwards while applying or releasing body weight. Release the lever at the desired height.
Backrest Tilt and Lock (SeatRest Cradle Plus)

Image: The MARK ADLER Expert 8.5 office chair shown tilting backward, illustrating the 135-degree recline capability and the range of motion for the backrest.
The SeatRest Cradle Plus function allows you to recline the backrest to your preferred angle. Use the lever on the side of the chair to adjust the tilt. The multi-lock mechanism enables you to lock the backrest in up to 4 different positions, from upright to a reclined position of approximately 135 degrees.
Penyesuaian Sandaran Tangan 5D
The armrests feature 5D adjustment, allowing for movement in five directions:
- Penyesuaian Ketinggian: Tekan tombol di sisi sandaran tangan dan gerakkan ke atas atau ke bawah.
- Maju mundur: Geser bantalan sandaran lengan ke depan atau ke belakang.
- Poros Kiri/Kanan: Putar bantalan sandaran tangan ke kiri atau ke kanan.
- Inward/Outward Slide: Slide the entire armrest assembly closer to or further from the seat.
- Penyesuaian Sudut: Adjust the angle of the armrest pad.

Gambar: Sisi profile of the MARK ADLER Expert 8.5 chair, emphasizing the adjustable armrests and headrest, demonstrating the chair's ergonomic flexibility.
Headrest yang bisa disesuaikan
The headrest can be adjusted in both height and tilt angle to provide optimal neck and head support. Gently push or pull the headrest to adjust its position.
Flexible Lumbar Support
The chair features a flexible lumbar support system designed to adapt to your spine's natural curve, providing continuous comfort and support. No manual adjustment is typically required for this feature as it is designed to be adaptive.
Pemeliharaan
Proper care will extend the life and appearance of your MARK ADLER Expert 8.5 office chair.
- Pembersihan: Bersihkan dengan iklanamp cloth. For stubborn stains on the AiRMesh HD fabric, use a mild soap solution and a soft brush, then wipe with a clean, damp kain. Hindari bahan kimia keras atau pembersih abrasif.
- Inspeksi: Periksa semua sekrup dan baut secara berkala untuk memastikan kekencangannya. Kencangkan kembali jika perlu.
- Kastor: Jaga agar roda bebas dari rambut dan kotoran untuk memastikan pergerakan yang lancar.
Penyelesaian Masalah
Jika Anda mengalami masalah apa pun dengan kursi Anda, lihat masalah umum dan solusi berikut:
| Masalah | Kemungkinan Penyebab | Larutan |
|---|---|---|
| Kursi tidak dapat diatur ketinggiannya | Kerusakan tabung gas lift atau tuas tidak terpasang. | Pastikan tuas ditarik sepenuhnya. Jika masalah berlanjut, mungkin perlu diganti komponen pengangkat gasnya. |
| Kursi bergoyang | Sekrup longgar atau lantai tidak rata. | Periksa dan kencangkan semua sekrup perakitan. Pastikan kursi berada di permukaan yang rata. |
| Roda tidak berputar dengan lancar | Serpihan tersangkut di roda kastor. | Singkirkan rambut, debu, atau kotoran apa pun dari roda kastor. |
| Backrest does not lock | Locking mechanism not engaged or damaged. | Ensure the multi-lock lever is fully engaged. If damaged, contact support. |
Spesifikasi
Key specifications for the MARK ADLER Expert 8.5 Executive Office Chair:
- Model: Ahli 8.5
- Merek: TANDA ADLER
- Bahan: AiRMesh HD Fabric (Polyester), Foam
- Warna: Abu-abu
- Berat Barang: 14 Kilogram
- Sandaran tangan: 5D Adjustable
- Sandaran: Adjustable Tilt (SeatRest Cradle Plus, Multilock 4 positions)
- Sandaran kepala: Tinggi dan Kemiringan yang Dapat Diatur
- Dukungan Pinggang: Fleksibel
- Perakitan yang Diperlukan: Ya
- Petunjuk Perawatan: Lap Bersih
- Penggunaan yang Direkomendasikan: Kantor
Garansi dan Dukungan
For warranty information or technical support, please refer to the documentation provided at the time of purchase or visit the official MARK ADLER website. If you require assistance with assembly, operation, or troubleshooting beyond the scope of this manual, please contact MARK ADLER customer service.
Informasi Kontak: Please refer to your purchase receipt or the manufacturer's websitus untuk rincian kontak terkini.




