1. Introduction
Thank you for choosing the Mueller Professional Citrus Juicer MCJ-730. This manual provides essential information for the safe and efficient operation, maintenance, and care of your new manual citrus juicer. Please read these instructions thoroughly before first use and retain them for future reference.
This manual juicer is designed for extracting juice from various citrus fruits such as oranges, lemons, limes, grapefruits, and pomegranates. Its heavy-duty construction ensures durability and maximum juice extraction without electricity.

Image: The Mueller Professional Citrus Juicer, highlighting its sturdy cast iron construction, food-grade stainless steel components, BPA-free materials, and non-slip rubber feet. Various fruits like oranges, lemons, pomegranates, and a glass of juice are displayed.
2. Product Components
The Mueller Professional Citrus Juicer consists of several key components designed for efficient and easy juicing:
- Base: Provides stability for the juicer.
- Lever Handle: Used to apply pressure for juicing.
- Press Cone: The upper part that presses down onto the fruit.
- Strainer: Filters pulp and seeds from the juice.
- Funnel: Directs the juice into your container.
- Non-slip Suction Feet: Located on the base for secure placement.

Image: A detailed view of the Mueller Professional Citrus Juicer, illustrating its dimensions (17.5" height, 9" depth, 7" width) and highlighting the removable stainless steel press cone, strainer, and funnel for easy cleaning.
3. Setup
Before using your juicer for the first time, ensure all packaging materials are removed. Place the juicer on a stable, flat, and dry surface. The non-slip suction feet will help secure the unit during operation.
- Unpack all components from the box.
- Wash the removable stainless steel press cone, strainer, and funnel with warm, soapy water. Rinse thoroughly and dry.
- Assemble the strainer and funnel onto the juicer base.
- Ensure the juicer is placed on a stable surface to prevent movement during use.
4. Operating Instructions
Follow these steps to extract fresh juice:
- Cut the fruit (e.g., orange, lemon, lime) in half.
- Place a glass or container directly under the funnel to collect the juice.
- Position one half of the fruit, cut-side down, onto the strainer cone.
- Firmly grasp the lever handle and pull it down slowly and steadily to press the fruit. Apply consistent pressure until all juice is extracted.
- Release the handle and remove the squeezed fruit. Repeat with remaining fruit halves.

Image: A three-step visual guide demonstrating the juicing process: 1. Insert fruit half cut-side down. 2. Firmly hold the juicer and press down the handle. 3. Enjoy your refreshing juice.

Image: The Mueller Professional Citrus Juicer in action, demonstrating maximum juice extraction from an orange half into a glass, with minimal pulp and seeds.
5. Cleaning and Maintenance
Regular cleaning ensures the longevity and hygiene of your juicer.
- Daily Cleaning: After each use, remove the press cone, strainer, and funnel. Wash these parts with warm, soapy water. Rinse thoroughly and dry immediately to prevent water spots or mineral buildup.
- Dishwasher Safe Parts: The removable stainless steel parts (press cone, strainer, funnel) are dishwasher safe for convenience.
- Base Cleaning: Wipe the main body and base of the juicer with a damp cloth. Do not immerse the entire unit in water.
- Storage: Store the juicer in a clean, dry place when not in use.
6. Safety Information
Please observe the following safety precautions:
- Keep the juicer out of reach of children.
- Always place the juicer on a stable, level surface before operation.
- Ensure your hands are clear of the press cone and strainer when lowering the handle to prevent pinching.
- Do not force the handle down excessively, as this may damage the unit or cause injury.
- Use only for its intended purpose of juicing citrus fruits.
- Exercise caution when handling the juicer, especially during cleaning, to avoid accidental drops due to its weight.
7. Troubleshooting
If you encounter any issues with your juicer, refer to the following common solutions:
- Juicer feels unstable during use: Ensure the juicer is placed on a completely flat and dry surface. The non-slip feet require a clean surface to grip effectively. You may need to hold the base with one hand while pressing the handle with the other for added stability.
- Handle feels loose or wobbly: Check the screws at the pivot points of the handle mechanism. Tighten them gently with an appropriate tool if they have become loose over time. Do not overtighten.
- Incomplete juice extraction: Ensure the fruit is cut in half and placed correctly, cut-side down, on the strainer cone. Apply firm, steady pressure throughout the pressing motion.
8. Specifications
| Brand | Mueller |
| Model | MCJ-730 |
| Color | Grey |
| Special Feature | Manual |
| Material | Iron, Stainless Steel |
| Finish Type | Stainless Steel, Glass |
| Power Source | Manual |
| Controller Type | Manual |
| Blade Material | Iron, Stainless Steel |
| Dishwasher Safe Parts | Yes (removable parts) |
| Capacity | 0.6 Liters |
| Recommended Uses | Citrus Fruits |
9. Warranty and Support
This Mueller Professional Citrus Juicer is covered by a Manufacturer's Warranty. For specific details regarding warranty coverage and duration, please refer to the warranty information provided with your purchase or contact Mueller customer support.
Should you require any assistance, have questions, or need to report an issue, please contact Mueller customer support. Our team is available to provide support and ensure your satisfaction.
Contact information for support can typically be found on the Mueller website or on the product packaging.