1. Introduction
Thank you for choosing the YOFIDRA 26mm Brushless Electric Hammer. This versatile cordless tool is designed for various drilling and chiseling tasks, including drilling into granite, bearing walls, lightweight concrete, and brick walls. Featuring a powerful brushless motor and multiple operating modes, it offers efficiency and durability for your DIY and professional projects. Please read this manual carefully before operation to ensure safe and effective use.
2. General Safety Instructions
Always follow basic safety precautions when using electric tools to reduce the risk of fire, electric shock, and personal injury.
- **Work Area Safety:** Keep your work area clean and well-lit. Cluttered or dark areas invite accidents. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- **Electrical Safety:** Avoid body contact with earthed or grounded surfaces. Do not expose power tools to rain or wet conditions.
- **Personal Safety:** Always wear eye protection. Use hearing protection when operating for extended periods. Dress properly; avoid loose clothing or jewelry. Secure long hair.
- **Tool Use and Care:** Do not force the power tool. Use the correct power tool for your application. Disconnect the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools.
- **Battery Use and Care:** Use only the specified battery pack for this tool. Do not disassemble, crush, or expose the battery to high temperatures or fire.
3. Product Overview
The YOFIDRA 26mm Brushless Electric Hammer is engineered for performance and user comfort. Key components are illustrated below:
This diagram labels the main parts of the electric hammer, including the SDS chuck, depth ruler, gear switch, air vents, forward/reverse switch, stepless speed switch, rubberized handle, lithium battery, and 360° rotating handle.
- **SDS Chuck:** For quick and secure bit changes.
- **Depth Ruler:** Helps in achieving precise drilling depths.
- **Gear Switch:** Selects the operating mode (Drill, Hammer, Electric Pick, Tuning).
- **Air Vents:** Ensures proper cooling of the motor during operation.
- **Forward/Reverse Switch:** Changes the rotation direction of the drill.
- **Stepless Speed Switch:** Allows for variable speed control based on pressure.
- **Rubberized Handle:** Provides a comfortable and secure grip.
- **Lithium Battery:** Powers the tool (sold separately or included in certain packages).
- **360° Rotating Handle:** Offers flexibility and control for various working angles.
4. Specifications
Detailed technical specifications for the YOFIDRA 26mm Brushless Electric Hammer:
| Feature | Specification |
|---|---|
| Name | Electric Hammer |
| Motor | Brushless Motor |
| Power | 1680W |
| Max Drilling Diameter | 26mm |
| Power Source | Lithium Battery |
| Rated Voltage | 18V (Battery Voltage: 18-21V MAX) |
| No-load Speed | 0-3500rpm |
| Impact Frequency | 0-4800IPM |
| Collet Device | SDS |
| Applicable Drill Bit | Round handle, two pits and two slots |
| Working Material | Granite, Bearing wall, Lightweight concrete, Brick wall etc. |
| Compatible Battery | For 18V Makita Battery Pin (Note: Only compatible with Chinese Makita tools) |
| Battery Capacity (if included) | 15000mAh (10 sections, 1500mAh each) |
| Certification | CE |
This image visually summarizes the key specifications of the electric hammer.
Details the battery model, capacity, voltage, and cell configuration.
**Battery Protection Features:** The battery is equipped with multiple protection features including overcurrent, voltage, short circuit, cell, overcharge, temperature, and over-discharge protection to ensure safe operation and extended battery life.
Illustrates the various safety protections integrated into the battery.
5. Package Contents
The contents of your package may vary depending on the specific pattern purchased. A typical package includes:
- YOFIDRA Electric Hammer
- Auxiliary Handle
- Depth Ruler
- Drill Bits and/or Chisels (quantity and type may vary)
- Lithium Battery (1 or 2, or not included depending on option)
- Battery Charger (if battery is included)
This image shows a package option that includes the electric hammer and a drill bit, but no battery.
6. Setup and Assembly
- **Attach the Auxiliary Handle:**
Loosen the auxiliary handle and slide it onto the tool's neck. Adjust it to a comfortable and secure position, then tighten it firmly. The handle can rotate 360° for optimal control.
Figure 6.1: Auxiliary Handle Adjustment The auxiliary handle can be rotated 360 degrees for ergonomic use.
- **Insert the Drill Bit/Chisel:**
The tool features an SDS chuck for quick bit changes. Pull back the chuck collar, insert the SDS drill bit or chisel until it clicks into place, then release the collar. Gently pull on the bit to ensure it is securely locked. (Refer to Figure 3.1 for SDS chuck location).
- **Install the Battery:**
Ensure the battery is charged. Align the battery pack with the base of the tool and slide it in until it locks securely. To remove, press the release button and slide the battery out.
Figure 6.2: Battery Installation and Features The battery features a charging port and an LED display for charge status.
**Battery Compatibility Note:** This tool is designed for 18V Makita Battery Pin style batteries. Please confirm the pin style and dimensions (e.g., 60mm, 32mm, 40mm) of your battery to ensure compatibility with your machine.
Figure 6.3: Battery Pin Style and Dimensions This diagram illustrates the compatible battery pin style and dimensions for proper fit.
- **Check Battery Charge Status:**
Press the display switch on the battery to check the charge level via the LED indicators.
Figure 6.4: Battery Charge Status Indicators LEDs indicate battery charge: 100%, 75%, 50%, 25%.
- **Set Depth Ruler (Optional):**
Insert the depth ruler into its designated slot and adjust it to the desired drilling depth. Tighten to secure.
7. Operating Instructions
The YOFIDRA Electric Hammer offers four distinct operating modes, selected via the gear switch:
The gear switch allows selection between Electric Drill, Hammer, Electric Pick, and Tuning modes.
- **Selecting an Operating Mode:**
Rotate the gear switch to select one of the following modes:
- **Electric Drill Mode:** For powerful drilling without hammering action. Requires a drill chuck (sold separately) for standard drill bits.
- **Hammer Mode:** Combines rotation with hammering for efficient drilling into masonry and concrete.
- **Electric Pick Mode:** Provides hammering action without rotation, ideal for chiseling and light demolition work.
- **Tuning Mode:** Allows adjustment of the chisel angle for optimal working position.
- **Starting and Stopping:**
Press the stepless speed switch to start the tool. The speed is controlled by the amount of pressure applied to the switch. Release the switch to stop the tool.
- **Forward/Reverse Operation:**
Use the forward/reverse switch to change the direction of rotation. Ensure the tool has come to a complete stop before changing direction.
- **Applications:**
Figure 7.2: Example Applications The tool can be used for drilling into concrete, chiseling, drilling into metal, and breaking concrete.
8. Maintenance
Regular maintenance ensures the longevity and optimal performance of your electric hammer.
- **Cleaning:** Keep the tool's air vents clean to prevent overheating. Wipe down the tool with a damp cloth after each use. Do not use harsh chemicals.
- **Lubrication:** Periodically lubricate the SDS chuck and drill bits for smoother operation and to prevent wear. (Note: Lubricating oil is not included and should be purchased locally).
- **Battery Care:** Store batteries in a cool, dry place away from direct sunlight. Do not store fully discharged batteries for extended periods.
- **Inspection:** Regularly inspect the tool for any signs of damage, loose screws, or worn parts. Replace damaged parts immediately.
- **Brushless Motor:** The brushless motor design reduces wear and tear, requiring less maintenance compared to brushed motors.
9. Troubleshooting
If you encounter issues with your YOFIDRA Electric Hammer, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not inserted correctly or discharged. | Ensure battery is fully inserted and charged. Check battery charge status. |
| Reduced power or performance | Low battery charge; incorrect mode selected; dull drill bit. | Recharge battery. Verify correct operating mode. Replace or sharpen drill bit. |
| Overheating | Blocked air vents; prolonged heavy use. | Clean air vents. Allow tool to cool down. Reduce load or operating time. |
| Bit not locking in chuck | Chuck collar not pulled back sufficiently; incorrect bit type. | Pull chuck collar fully back before inserting bit. Ensure using SDS-plus bits. |
10. Important Notes
- **Power Plug:** The default power plug is EU standard. If you require other specifications (US, UK, AU), please ensure you have the appropriate conversion head.
- **Lubricating Oil:** Lubricating oil is not included with the product. It can be purchased from local stores for smoother operation and maintenance.
11. Warranty and Support
YOFIDRA products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the seller's specific warranty policy or contact the point of purchase. Keep your purchase receipt as proof of purchase.
