Introduction
This manual provides essential information for the safe and effective operation, setup, and maintenance of your RUBI Rubimix-07 1200W mixer. Please read these instructions carefully before using the product and keep them for future reference. Proper use ensures optimal performance and extends the life of your tool.
Safety Instructions
Always follow basic safety precautions to reduce the risk of fire, electric shock, and personal injury.
- Read all instructions: Familiarize yourself with the controls and proper use of the mixer.
- Wear appropriate personal protective equipment (PPE): Always wear eye protection, hearing protection, and suitable gloves.
- Keep work area clean and well-lit: Cluttered or dark areas invite accidents.
- Do not operate in explosive atmospheres: Do not use the mixer in the presence of flammable liquids, gases, or dust.
- Secure the workpiece: Always ensure the mixing container is stable and secure.
- Avoid accidental starting: Ensure the switch is in the off-position before plugging in.
- Do not overreach: Maintain proper footing and balance at all times.
- Disconnect power: Always unplug the mixer before making any adjustments, changing accessories, or storing the tool.
- Use the correct tool for the job: Do not force the mixer to do a job for which it was not designed.
- Maintain tools with care: Keep cutting tools sharp and clean. Follow instructions for lubricating and changing accessories.
- Store idle tools: When not in use, tools should be stored in a dry, high, or locked-up place, out of reach of children.
Package Contents
Verify that all items are present and undamaged upon opening the package.
- RUBI Rubimix-07 Mixer Unit
- Mixing Paddle (M-120-R)
- Instruction Manual

Image: The packaging box for the RUBI Rubimix-07 mixer, showing the product and its model number.
Setup
Follow these steps to prepare your mixer for operation.
- Unpack the mixer: Carefully remove all components from the packaging.
- Attach the mixing paddle: The Rubimix-07 features a direct assembly thread with an M14x2 fitting.
- Ensure the mixer is unplugged from the power source.
- Align the M14x2 threaded end of the mixing paddle (M-120-R) with the corresponding thread on the mixer's spindle.
- Screw the paddle clockwise onto the spindle until it is securely tightened. Use a wrench if necessary to ensure a firm connection, but do not overtighten.
- Inspect for damage: Before first use, check the mixer and paddle for any signs of damage. Do not use if damaged.

Image: The RUBI Rubimix-07 mixer with the red mixing paddle securely attached, ready for use.
Operating Instructions
The Rubimix-07 is designed for mixing various materials such as mortar, tile adhesive, and other construction compounds.
- Prepare the material: Place the material to be mixed into a suitable, sturdy mixing container. Ensure the container is large enough to prevent splashing.
- Connect to power: Plug the mixer into a grounded power outlet (230 Volts).
- Grip the mixer: The mixer features a double handle design for improved working posture and control. Hold both handles firmly.
- Start mixing:
- Immerse the mixing paddle into the material before starting the mixer to prevent splashing.
- Press the power switch to start the mixer. The Rubimix-07 operates at a single speed, ranging from 0 to 760 revolutions per minute (RPM).
- Move the mixer slowly through the material, ensuring thorough and even mixing.
- The mixer is capable of mixing up to 65 liters of material. Do not exceed this capacity to maintain optimal performance and prevent motor strain.
- Stop mixing: Release the power switch to turn off the mixer. Wait for the paddle to come to a complete stop before removing it from the material.
- Clean after use: Refer to the Maintenance section for cleaning instructions.
Maintenance
Regular maintenance ensures the longevity and safe operation of your RUBI Rubimix-07.
- Cleaning: After each use, disconnect the mixer from the power supply. Clean the mixing paddle and the mixer housing immediately to prevent material from hardening. Use a stiff brush and water for the paddle. Wipe the mixer housing with a damp cloth. Do not immerse the mixer unit in water.
- Inspection: Periodically inspect the power cord for damage. Check the mixing paddle for wear or bending. Replace damaged parts immediately.
- Storage: Store the mixer in a dry, clean, and secure location, out of reach of children.
- Lubrication: The motor and gearbox are factory-lubricated and generally do not require additional lubrication.
Troubleshooting
This section addresses common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Mixer does not start | No power supply; Faulty power cord; Damaged switch | Check power connection; Inspect power cord for damage; Contact qualified service personnel |
| Poor mixing performance | Worn or bent paddle; Material too thick; Exceeding capacity | Replace paddle; Add appropriate liquid to material; Reduce batch size |
| Overheating | Continuous heavy load; Blocked ventilation slots | Allow mixer to cool down; Clear ventilation slots; Do not exceed recommended mixing capacity |
For issues not listed here or if solutions do not resolve the problem, please contact RUBI customer support.
Specifications
| Brand | RUBI |
| Model Number | 26900 |
| Power | 1200 Watts |
| Voltage | 230 Volts |
| Speed (No Load) | 0 - 760 RPM (1 speed position) |
| Mixing Capacity | Up to 65 Liters |
| Paddle Thread | M14x2 |
| Product Dimensions (L x W x H) | 38 x 32 x 24 cm |
| Item Weight | 4 Kilograms |
| Material (Housing) | Plastic |
Warranty and Support
For information regarding warranty coverage, service, or technical support, please refer to the warranty card included with your product or visit the official RUBI website. Keep your purchase receipt as proof of purchase.
Manufacturer: Rubi