SIHOO
MODEL: Doro-C300 Pro
USER MANUAL
Welcome
Thank you for choosing Sihoo. We hope our products can enhance your comfort and promote a healthy lifestyle.
We take pride in offering a comprehensive three-year warranty for all Sihoo products, supported by round-the-clock customer service to guarantee your utmost satisfaction.
Should you require any assistance, please do not hesitate to contact us at service@sihoooffice.com. Kindly note: To expedite our services, kindly include your order number when reaching out to our customer support.
Sincerely,
SIHOO
About Us
Sihoo is a renowned specialist in ergonomic furniture, dedicated to offering healthy and comfortable ergonomic chairs. With a 12-year emphasis on technology and well-being, Sihoo's mission is to enhance people's lives through innovative and ergonomic furniture solutions. Presently, Sihoo's ergonomic chairs are available in over 100 countries and have garnered acclaim among Fortune 500 companies, as well as in more than 10 million households worldwide.
Safety Information
CAUTION! Work on gas springs only by trained specialist personnel.
Contents
- User Manual (English)
- User Manual (German)
- User Manual (French)
- User Manual (Italian)
- User Manual (Spanish)
- Assembly Instructions (English)
- Assembly Instructions (German)
Parts List
| Key | Description | Part | Qty. | Spare |
|---|---|---|---|---|
| A | Wheel | 5 | ||
| B | Chair leg tube | 5 | ||
| C | Base | 1 | ||
| D | T wrench | 1 | ||
| E | Chair leg screw (M6X12) | 10 | 1 | |
| F | M6 dual-stacked self-locking washer | 10 | 1 | |
| G | Decorative cover | 1 | ||
| H | Gas lift | 1 | ||
| I | Armrest | 1 pair | ||
| J | Armrest bracket | 1 pair | ||
| K | Armrest screw (M6x30) | 4 | 1 | |
| L | M6 spring washer | 4 | 1 | |
| M | 6mm washer | 4 | 1 | |
| N | Armrest tube washer | 2 | ||
| O | Seat cushion | 1 | ||
| P | Backrest | 1 | ||
| Q | 8mm washer | 7 | 1 | |
| R | Seat back screw (M8x20) | 3 | 1 | |
| S | L wrench | 1 | ||
| T | Armrest bracket screw (M8x78) | 4 | 1 | |
| U | Headrest | 1 | ||
| V | Headrest screw (M6x16) | 2 | 1 | |
| W | Chair back decorative cover | 1 | ||
| X | Glove | 1 pair |
Assembly Instructions
Step 1
Use 10 M6X12 chair leg screws (E) and 10 M6 double-stacked self-locking washers (F) to connect the five chair leg tubes (B) to the base (C), and then insert the wheels (A).
Step 2
Install the decorative cover (G) and insert the gas lift (H) into the middle hole of the chair base.
Step 3
Use 4 M6x30 screws (K), spring washers (L), 6mm washers (M), and armrest tube washers (N) to connect the armrests (I) to the armrest brackets (J).
Step 4
Insert the backrest (P) into the backplate of the mechanism (O).
Step 5
Use 3 M8x20 screws (R) and 8mm washers (Q) to connect the backrest (P) to the backplate.
Step 6
Use 4 M8x78 screws (T) and 8mm washers (Q) to connect the armrest (I) to the back linkage.
Step 7
Align the mechanism with the gas lift and insert it.
Step 8
Insert the headrest (U) into the backrest (P), and then use 2 M6x16 screws (V) to secure the headrest (U).
Step 9
Install the backrest decorative cover (W) to finish the assembly.
Operation Instructions
Backrest Adjustment: The backrest can be adjusted up and down in 4 levels.
Recline Function: Rotate the handle backward ↩️ to activate the recline function, return the handle to lock the recline angle.
Headrest Adjustment: The headrest can be adjusted up and down and rotated.
Armrest Adjustment: The armrest can be adjusted up and down, forward or backward, and rotated upward by 35 degrees, inward and outward.
Seat Depth Adjustment: Rotate the handle forward ➡️ to adjust the seat depth, and lock the seat depth by returning the handle ↩️.
Seat Height Adjustment: Rotate the handle upward ⬆️ to adjust the seat height, and release the handle ⬇️ to lock the seat height.
Safety Installation
- Each chair is designed to support the weight of one person only.
- Please use the chair on a flat, even surface.
- Do not allow children under the age of 5 to sit on the chair without supervision.
- Avoid sitting on the armrest to prevent potential accidents.
- Do not stand on the chair, use it as a ladder, or step on it.
- Please refrain from placing excessive weight on the chair or using it as a makeshift trolley.
- Avoid using sharp or pointed objects that could damage the chair, and keep it away from open flames or sources of heat.
- For your safety, do not attempt to disassemble the gas lift mechanism.
Warranty and Support
All Sihoo products come with a comprehensive three-year warranty.
European Representative: MARWAY Consulting UG (haftungsbeschrankt)
UK Representative: GSG CONSULTING GROUP LIMITED
For assistance, please contact service@sihoooffice.com.
