1. Bubuka
This manual provides essential information for the safe and efficient use of your KERDOM Office Chair Model 931-C. Please read these instructions carefully before assembly and operation. Keep this manual for future reference.

Image 1.1: The KERDOM Office Chair Model 931-C, featuring an orange mesh back and seat with white frame and base, shown in an office setting.
2. Émbaran Kasalametan
- Pastikeun yén sadaya komponén dipasang sacara aman sateuacan dianggo.
- Ulah nangtung dina korsi.
- Ulah ngaleuwihan kapasitas beurat maksimum 250 pon (113 kg).
- Jaga leungeun sareng ramo tetep bébas tina bagian anu obah nalika nyetel.
- Anggo korsi dina permukaan anu rata pikeun nyegah tibalik.
3. Eusi Paket
Before assembly, verify that all parts are present. Refer to the included installation manual for a detailed list of components. Typically, the package includes:
- Tukang tonggong
- Bantalan korsi
- Sandaran leungeun (2)
- Silinder Angkat Gas
- Base Star
- Karéta (5)
- Mékanisme Plate
- Parabot keras (sekrup, ring, konci Allen)
4. Parentah Majelis
For detailed, step-by-step assembly instructions, please refer to the official Installation Manual PDF provided with your purchase. A digital version can be accessed via this link: KERDOM Office Chair Installation Manual (PDF).
General assembly steps typically involve:
- Ngagantelkeun casters kana dasar béntang.
- Selapkeun silinder angkat gas kana puseur dasar béntang.
- Secure the mechanism plate to the underside of the seat cushion.
- Attach the armrests to the seat cushion.
- Connect the backrest to the seat cushion and armrests.
- Pasangkeun korsi anu parantos dirakit kana silinder pengangkat gas.
Ensure all screws are tightened firmly, but do not overtighten.
5. Parentah Operasi
5.1. adjustment jangkungna
To adjust the seat height, locate the lever on the right side beneath the seat. While seated, pull the lever up to lower the seat. To raise the seat, stand up and pull the lever up. Release the lever at the desired height to lock it in place.

Image 5.1: The chair features adjustable height, 360-degree rotation, and flexible casters for various floor types.
5.2. Armrest Adjustment (Flip-up Function)
The armrests are designed to flip up 90 degrees. To raise an armrest, simply lift it upwards until it locks into the vertical position. To lower it, pull it down. This feature allows the chair to be stored under a desk, saving space.

Image 5.2: The flip-up armrests allow the chair to be neatly stored under a desk, optimizing space.
5.3. Tilt/Rocking Function
The chair features a 120-degree tilt tension and rocking function. Locate the lever on the left side beneath the seat.
- Engage/Disengage Rocking: Pull the lever outwards to enable the rocking function. Push it inwards to lock the backrest in an upright position.
- Ngatur Tegangan Kemiringan: The round knob located at the front center beneath the seat controls the tilt tension. Turn clockwise to tighten the tension (making it harder to recline) and counter-clockwise to loosen it (making it easier to recline).

Image 5.3: Controls for the rocking function and tilt tension adjustment.
5.4. Swivel and Casters
The chair offers a full 360-degree swivel for ease of movement. The flexible casters are designed for smooth rolling on various floor surfaces, including marble, wood, and carpet.

Image 5.4: The S-shaped backrest provides ergonomic support, complemented by a 30-degree back tilt for comfort.
6. Pangropéa
6.1. beberesih
- Ngusap bersih nganggo iklanamp lawon. Hindarkeun bahan kimia anu kasar atanapi pembersih abrasive.
- For the mesh backrest and fabric seat, use a vacuum cleaner with a brush attachment to remove dust and debris.
- Periodically check and clean the casters to ensure smooth movement and prevent floor damage.
6.2. Kaperawatan Umum
- Regularly inspect all screws and connections to ensure they remain tight. Retighten as necessary.
- Avoid prolonged exposure to direct sunlight to prevent fading of materials.
- Do not place hot items directly on the chair's surfaces.
7. Cara ngungkulan
- Korsi ngagerung: Check all bolted connections and tighten if loose. A small amount of silicone lubricant can be applied to moving parts if the squeaking persists.
- Kasesahan Nyaluyukeun Jangkungna: Pastikeun tuas pengangkat gas parantos dipasang sapinuhna. Upami masalahna teras-terasan, tabung pengangkat gas panginten kedah digentos.
- Casters Teu Rolling Lancar: Remove any hair or debris wrapped around the caster wheels. Clean the wheels and their housings.
- Korsi Karasa Teu Stabil: Verify that the chair is on a flat surface and all components, especially the base and backrest, are securely attached.
- Seat Cushion Flattening: Over time, seat cushions may compress. While this is normal wear, if it significantly impacts comfort, consider adding a supplementary cushion or contacting customer support for options.
8. Spésifikasi

Image 8.1: Detailed product parameters including dimensions and weight capacity.
| Fitur | Spésifikasi |
|---|---|
| merek | KERDOM |
| Ngaran modél | 931-C |
| Ukuran produk (D x W x H) | 21"P x 9"L x 20"T (Sakabéhna) |
| Chair Height Range | 36.2" - 38.6" (91.9 - 98 cm) |
| Lebar korsi | 23.6" (59.9 cm) |
| Backrest Lebar | 18.5" (47 cm) |
| Jangkungna sandaran | 18.9" (48 cm) |
| Cushion Width | 19.3" (49 cm) |
| Cushion Length | 19.7" (50 cm) |
| Ketebalan Cushion | 2.6" (6.6 cm) |
| Armrest Panjang | 10" (25.4 cm) |
| Jangkungna panangan | 10.2" (25.9 cm) |
| Diaméter dasar | 23.6" (59.9 cm) |
| Rekomendasi beurat maksimum | 250 Pon (113 kg) |
| Item Beurat | 25 pon (11.3 kg) |
| Bahan | Mesh, Sponge |
| Fitur husus | Adjustable Height, Flip-up Armrests, Tilting Function, Swivel, Flexible Casters |
| Gaya Balik | Cross Back (Ergonomic S-shape) |
| Dianjurkeun Mangpaat | Kantor, Kantor Imah, Ruang Belajar |
9. Garansi sarta Rojongan Palanggan
For warranty information and any product-related inquiries or issues, please contact KERDOM customer service. Our after-sales team is available to assist you.
Please refer to your purchase documentation or the KERDOM official websitus pikeun inpormasi kontak sareng detil jaminan anu paling ayeuna.





