JUMMICO JM-OCRC0164
JUMMICO Gaming Chair Instruction Manual
Model: JM-OCRC0164
Introduction
This manual provides comprehensive instructions for the assembly, operation, and maintenance of your JUMMICO Gaming Chair. Please read this manual thoroughly before assembly and use to ensure proper function and safety.
Important Safety Information
- Ensure all components are securely fastened before use.
- Do not stand on the chair.
- Do not use the chair if any parts are damaged or missing.
- Keep children away from moving parts during adjustment.
- Maximum weight capacity: 300 lbs.
Package Contents
Before beginning assembly, verify that all parts listed below are present and undamaged:
- 1 x Backrest
- 1 x Seat
- 1 x Footrest
- 1 x Hardware Fitting Bag (containing screws, tools, etc.)
- 1 x Instructions Manual (this document)
- 1 x Headrest Pillow
- 1 x Lumbar Support Pillow with Massage Function
- 1 x Gas Lift Cylinder
- 1 x Base (Star Base)
- 5 x Casters
Note: Some smaller components may be pre-attached to larger parts. Refer to the assembly instructions for detailed identification.
Assembly Instructions
Follow these steps carefully to assemble your JUMMICO Gaming Chair. It is recommended to assemble the chair on a soft, clean surface to prevent damage.
Step 1: Attach Casters to Base
Insert the five casters into the holes at the end of each leg of the star base. Push firmly until they click into place.

Image: Illustration showing the assembly of the chair's star base with casters.
Step 2: Install Gas Lift Cylinder
Place the gas lift cylinder into the center hole of the assembled star base. Ensure it sits securely.
Step 3: Attach Mechanism to Seat
Align the seat mechanism with the pre-drilled holes on the underside of the seat cushion. Secure it using the provided screws from the hardware bag. Ensure the front of the mechanism faces the front of the seat.
Step 4: Connect Backrest to Seat
Attach the backrest to the seat using the metal brackets and screws. Ensure a firm connection.

Image: Diagram illustrating the connection points for the backrest and seat.
Step 5: Place Assembled Seat onto Gas Lift
Carefully place the assembled seat and backrest onto the gas lift cylinder, ensuring the center hole of the mechanism aligns with the top of the gas lift. Press down firmly to secure.
Step 6: Attach Footrest
Slide the footrest into its designated slots beneath the seat. Ensure it can extend and retract smoothly.
Step 7: Install Headrest and Lumbar Support Pillows
Attach the headrest pillow to the top of the backrest using its straps. Position the lumbar support pillow at your preferred height on the lower backrest, securing it with its straps.

Image: A complete view of the JUMMICO gaming chair, highlighting the headrest and lumbar support pillows.
Operating Instructions
1. Seat Height Adjustment
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.

Image: Visual guide for seat height adjustment, indicating the lever's function.
2. Backrest Recline Function
To recline the backrest, pull the lever on the left side beneath the seat. Lean back to the desired angle (up to 135 degrees) and release the lever to lock it in place. To return to an upright position, pull the lever again and lean forward.

Image: Visual guide for backrest recline adjustment, illustrating the range of motion.
3. Footrest Operation
To use the footrest, pull it out from beneath the seat. Extend it to your preferred length. To retract, push it back under the seat until it is fully stored.

Image: Illustration of the adjustable footrest mechanism and its extension.
4. Massage Lumbar Support
The lumbar support pillow features a massage function. Connect the USB cable from the pillow to a compatible USB power source (e.g., computer, power bank, USB wall adapter). The massage function will activate, providing gentle vibration to the lower back area.

Image: Close-up of the massage lumbar support, indicating its features and power connection.
5. 360° Swivel Function
The chair is designed with a 360-degree swivel function, allowing for full rotation without moving the base. This feature is always active.
Maintenance
- Cleaning: Wipe the chair with a soft, damp cloth. For stubborn stains on the PU leather, use a mild leather cleaner. Avoid harsh chemicals or abrasive cleaners.
- Fasteners: Periodically check all screws and bolts to ensure they are tight. Re-tighten if necessary to maintain stability and prevent loosening, especially for armrests.
- Casters: Keep casters clean and free of debris (hair, dust) to ensure smooth movement.
- Storage: Store the chair in a dry environment, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair does not adjust height | Gas lift cylinder not properly installed or damaged. | Ensure the gas lift is fully inserted into the base and mechanism. If still not working, contact customer support. |
| Chair wobbles or feels unstable | Loose screws or improper assembly. | Check and tighten all assembly screws, especially those connecting the seat to the mechanism and the backrest to the seat. |
| Armrests feel loose | Armrest attachment screws have loosened over time. | Periodically tighten the screws that secure the armrests to the chair. |
| Footrest does not extend/retract smoothly | Obstruction or damage to the footrest mechanism. | Check for any obstructions. Ensure the footrest rails are clean. If damaged, contact customer support. |
| Massage function not working | USB cable not connected or power source issue. | Ensure the USB cable is securely connected to a working power source. Try a different USB port or power adapter. |
Specifications
| Brand | JUMMICO |
| Model Name | Video Gaming Chair (JM-OCRC0164) |
| Color | Grey |
| Product Dimensions (D x W x H) | 18.5"D x 23.61"W x 50.4"H |
| Seat Height | 17.3 Inches (Adjustable) |
| Seat Depth | 18.48 inches |
| Item Weight | 41.9 pounds |
| Material | PU Leather, Foam, Metal Base |
| Reclining Angle | Up to 135 degrees |
| Special Features | Adjustable Height, Recline, Footrest, Massage Lumbar Support, 360° Swivel |
| Recommended Uses | Gaming, Office |

Image: The JUMMICO gaming chair integrated into a typical gaming environment, showcasing its design and functionality.
Warranty and Customer Support
JUMMICO is committed to providing quality products and excellent customer service. For any questions regarding assembly, operation, missing parts, or warranty claims, please contact JUMMICO customer support.
Please retain your purchase receipt for warranty purposes.
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