1. Introduction
The Timemore Chestnut C5 and C5 ESP are high-precision manual coffee grinders designed for coffee enthusiasts. Featuring an integrated all-metal body and advanced grinding cores, these grinders offer exceptional consistency and a superior coffee experience. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your grinder.
2. Safety Information
- Keep the grinder out of reach of children.
- Do not immerse the grinder in water. It is forbidden to wash the bean grinder with water.
- Use only whole roasted coffee beans. Do not grind other substances.
- Ensure the crank handle is securely attached before grinding.
- Handle the grinding burrs with care as they are sharp.
3. Package Contents
Upon opening your Timemore Chestnut C5/C5 ESP package, you should find the following items:
- Timemore Chestnut C5 or C5 ESP Coffee Grinder body
- Crank handle
- Cleaning brush
- User Manual (this document)
4. Product Overview and Features
The Timemore Chestnut C5/C5 ESP grinders are engineered for precision and durability. Key features include:
- Integrated All-Metal Body: Provides a solid feel and stable grinding experience.
- High Precision CNC Machined Sharp Steel Grinding Core: Made from 420 stainless steel with five-axis CNC precision cutting, offering hardness up to 55-58HRC.
- S2C Grinding Core: C5ESP features the original S2C-042-I Sichuan patent grinding core, while C5 uses S2C-042-II, both designed for concentrated particle size distribution and improved flavor performance.
- Adjustable Coarseness: Point-to-point digital adjustment allows for precise grind size selection. The C5/C5ESP offers 0.015mm per grid adjustment, with 1 turn adjusting 50 grids.
- Detachable Design: Allows for easy and deep cleaning of all components.
- Funnel-shaped Bean Bin: Designed for easy pouring of coffee beans and effectively reduces spillage.
- Non-slip Silicone Base: Reduces friction with surfaces and ensures quieter operation.
- Solid Texture and Tight Hand Grip: Huanxin twill grip design with frosted aluminum provides a comfortable and steady grip.
- High Precision Double Bearing: Ensures accuracy up to 0.007mm for consistent grinding.
5. Setup
- Unpack: Carefully remove all components from the packaging.
- Assemble Handle: Attach the crank handle to the top shaft of the grinder. Ensure it is securely fitted.
- Adjust Grind Size:
- Locate the grind adjustment dial at the bottom of the grinding mechanism.
- Turn the dial to select your desired grind size. Turning towards 'FINE' makes the grind finer, and towards 'COARSE' makes it coarser.
- The C5/C5 ESP models offer precise 0.015mm per grid adjustment, with 1 turn adjusting 50 grids.
6. Operating Instructions
- Add Coffee Beans: Open the top lid and pour your desired amount of whole roasted coffee beans into the funnel-shaped bean bin. The bean bin can hold approximately 30g of coffee beans.
- Secure Lid: Close the top lid securely.
- Grind: Hold the grinder firmly with one hand and turn the crank handle clockwise with the other hand. Continue grinding until all beans have passed through the burrs and into the catch cup.
- Collect Grounds: Unscrew the bottom catch cup to retrieve your freshly ground coffee.
Recommended Grind Settings:
| Brew Method | C5 / C5 ESP Recommendation |
|---|---|
| Espresso | 5-8 (Fine) |
| Pour-over / Hand Coffee | 10-14 (Medium) |
| French Press | 14-17 (Coarse) |
Note: These are general recommendations. Adjust as needed for your specific coffee beans and taste preferences.
7. Maintenance
Proper maintenance ensures the longevity and optimal performance of your Timemore grinder.
- Cleaning: After each use, use the provided cleaning brush to remove any residual coffee grounds from the burrs and internal components.
- Deep Cleaning: The grinder features a detachable design for thorough cleaning. Disassemble the grinder by unscrewing the catch cup and carefully removing the internal grinding mechanism. Use the brush to clean all parts.
- Important: It is forbidden to wash the bean grinder with water. Water can cause rust and damage to the metal components, especially the grinding burrs.
- Storage: Store the grinder in a dry place away from direct sunlight and moisture.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Grinder feels stiff or difficult to turn. | Coffee grounds buildup in burrs; grind setting too fine. | Clean the burrs thoroughly with the brush. Try a slightly coarser grind setting. |
| Inconsistent grind size. | Burrs are dirty; adjustment dial not set correctly. | Perform a deep clean of the burrs. Ensure the adjustment dial is locked into a specific setting. |
| Beans not feeding into burrs. | Too many beans in the hopper; beans are oily or sticky. | Reduce the amount of beans. Ensure beans are fresh and not excessively oily. |
9. Specifications
| Feature | Timemore Chestnut C5 | Timemore Chestnut C5 ESP |
|---|---|---|
| Material | 420 Stainless Steel, Aluminum Alloy | |
| Grinding Core | Original S2C-042-II | Original S2C-042-I Sichuan Patent |
| Adjustment Accuracy | 0.015mm per grid (1 turn = 50 grids) | |
| Weight | Approx. 530g | |
| Bean Capacity | Approx. 25g | |
| Size (L x W x H) | 159mm x 53mm x 163.5mm | |
| Feature | Vintage, Detachable, Non-slip Silicone Base | |
10. User Tips
- For optimal flavor, grind your coffee beans just before brewing.
- Experiment with different grind settings to find what best suits your brewing method and personal taste.
- Regular cleaning of the burrs is crucial for maintaining grind consistency and preventing flavor contamination.
- When adjusting the grind size, it's helpful to turn the dial while the grinder is empty to avoid damaging the burrs.
11. Warranty and Support
Your Timemore Chestnut C5/C5 ESP grinder is covered by a manufacturer's warranty against defects in materials and workmanship. For warranty claims or technical support, please contact the retailer or manufacturer directly. Keep your proof of purchase for warranty validation.
For further assistance, please refer to the contact information provided by your seller or visit the official Timemore website.
