DUMOS C-2193 Armless Office Chair
Model: C-2193
Contact: HJ-Customer-Service@outlook.com | (909)637-7665 | (909)637-7593
Introduction & Care
To deodorize the leather, leave the chair in a shady place outside for 1-2 days.
For longer use: Re-tighten bolts every 6 months using the enclosed allen-key. ⚠️ Using an electric drill can damage the chair. Please re-tighten bolts manually.
Safety Information
- ✅ Sit in the center of the chair, with your back to the backrest.
- ❌ Do not sit at the front edge of the chair.
- ❌ Do not stand on the chair.
- ❌ Do not use the chair with more than one person.
- ❌ Do not push the chair around when a person is sitting in it.
- ❌ Do not push down on the backrest when a person is reclined.
- ❌ Do not place all your weight on only the backrest.
Package List
| Part | Description | Quantity |
|---|---|---|
| (A) | Backrest | 1 |
| (B) | Seat | 1 |
| (C) | Back bar | 1 |
| (D) | Mechanism | 1 |
| (E) | Gas Lift | 1 |
| (F) | Base | 1 |
| (G) | Legs | 5 |
| (H) | Casters | 5 |
| (I) | Bolts | 4 |
| (J) | Bolts | 4 |
| (K) | Bolts | 10 |
| (L) | Bolts | 2 |
| (M) | Wrench | 1 |
Assembly Instructions
Step 1
Turn the Base (F) upside down. Insert the Legs (G) into the Base one by one. Use Wrench (M) to secure both with Bolts (K) (10 total).
Step 2
Press Casters (H) (5 total) into the holes at the end of Legs (G).
Step 3
Insert the Gas Lift (E) into the Base (F).
Step 4
Using Wrench (M), install Back bar (C) to the Backrest (A) with Bolts (L) (2 total).
Step 5
Turn the Seat (B) upside down. Using Wrench (M), install Mechanism (D) to the Seat (B) with Bolts (I) (4 total). Note: The Mechanism (D) is marked with "FRONT"; please ensure the installation direction is correct.
Step 6
Using Wrench (M), attach the Backrest assembly (Backrest (A) with Back bar (C)) to the Seat (B) with Bolts (J) (4 total).
Step 7
Align the hole on Mechanism (D) with the Gas Lift (E), and press the Chair down until it is fully secured.
Step 8
Finish the installation.
Instructions For Use
The chair is designed for comfortable seating. The height can be adjusted using the lever under the seat. Ensure you are seated properly for optimal support.
Height Adjustment: ↕️
Caution
- Before using the chair, check to ensure that all bolts are fully tightened.
- Lubricate all parts and tighten all bolts every 6 months or whenever needed.
