Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your TRUPER ROTO-1/2A7 1/2-inch 650W Hammer Drill/Screwdriver. Please read it thoroughly before first use and keep it for future reference.
Product Features
- 650 W motor, mounted on ball bearings for extended lifespan and improved performance.
- Drill or hammer drill function selector, with variable reversible speed.
- 360° rotating auxiliary plastic handle for greater comfort and control during drilling.
- Suitable for drilling in concrete, wood, and metal.
- Continuous use button.
- Depth control rod.
- Ergonomic handle with non-slip grip.
Key Components
Refer to the image below for an overview of the drill's key components and their functions.


Components Included
The TRUPER ROTO-1/2A7 package typically includes the following items:
- 1/2-inch, 650W Hammer Drill
- Depth control rod
- Auxiliary handle
- Chuck key

Unboxing Video
Watch this video for a visual guide on unboxing and identifying the components.
Video 1: Unboxing the TRUPER ROTO-1/2A7 Hammer Drill, showing the contents of the package and initial setup steps.
Setup
Attaching the Auxiliary Handle and Depth Rod
- Loosen the auxiliary handle clamp.
- Slide the auxiliary handle onto the drill's chuck collar.
- Insert the depth rod into the designated hole on the auxiliary handle.
- Adjust the handle and depth rod to your desired position and tighten the clamp securely.
The auxiliary handle can rotate 360 degrees for optimal control and comfort.

Inserting and Securing Drill Bits
- Ensure the drill is unplugged from the power source before changing bits.
- Open the chuck jaws by rotating the chuck key counter-clockwise.
- Insert the drill bit into the chuck, ensuring it is seated firmly.
- Tighten the chuck jaws using the chuck key by rotating clockwise until the bit is secure.

Operating Instructions
Selecting Operation Mode
This tool offers multiple operating modes: Drill, Hammer Drill, and Screwdriver. Use the mode selector switch located on the top of the drill to choose the appropriate mode for your task.
- Drill Mode: For drilling in wood, metal, and plastics.
- Hammer Drill Mode: For drilling in masonry and concrete.
- Screwdriver Mode: For driving and removing screws (requires appropriate bit).

Drilling in Different Materials
The TRUPER ROTO-1/2A7 is suitable for drilling in concrete, wood, and metal. Always use the correct drill bit for the material and select the appropriate mode.

Variable Speed and Continuous Use
The drill features variable speed control for precision and a continuous use button for extended tasks, reducing user fatigue.
Duty Cycle
To ensure optimal performance and tool longevity, adhere to the recommended duty cycle: 30 minutes of continuous work followed by 15 minutes of rest. The maximum daily usage should not exceed 3 hours.

Close-up Video
This video provides a detailed look at the drill's features and operation.
Video 2: A close-up view of the TRUPER ROTO-1/2A7, highlighting its design and various operational aspects.
Maintenance
Proper maintenance ensures the longevity and safe operation of your TRUPER ROTO-1/2A7.
- Cleaning: Regularly clean the ventilation slots to prevent dust and debris buildup, which can lead to overheating. Use a dry cloth to wipe down the tool's exterior.
- Cord Inspection: Before each use, inspect the power cord for any signs of damage, cuts, or fraying. Do not use the tool if the cord is damaged.
- Chuck Care: Keep the chuck clean and free of debris. Occasionally apply a small amount of light machine oil to the chuck jaws for smooth operation.
- Storage: Store the tool in a dry, secure place, out of reach of children and away from direct sunlight or extreme temperatures.
Troubleshooting
This section addresses common issues you might encounter with your TRUPER ROTO-1/2A7.
| Issue | Possible Cause | Solution |
|---|---|---|
| Drill not starting | No power supply / Damaged power cord / Faulty switch | Check power connection, inspect cord for damage. If issues persist, contact service. |
| Reduced drilling performance | Worn drill bit / Incorrect operating mode / Insufficient pressure | Replace drill bit, select appropriate mode (e.g., hammer drill for masonry), apply steady pressure. |
| Overheating | Blocked ventilation slots / Exceeded duty cycle / Excessive load | Clean ventilation slots. Allow the tool to cool down. Adhere to the recommended duty cycle. Reduce drilling pressure. |
| Excessive vibration | Loose drill bit / Damaged bit / Internal component issue | Ensure bit is securely tightened. Replace damaged bits. If vibration persists, seek professional service. |
Specifications
| Feature | Value |
|---|---|
| Brand | TRUPER |
| Model Number | ROTO-1/2A7 |
| Power Source | Electric |
| Maximum Rotation Speed | 3100 RPM |
| Amperage | 4.7 Amperes |
| Color | Black |
| Special Feature | Variable Speed |
| Product Dimensions (L x W x H) | 29.2l x 8w x 23.2h centimeters |
| Material | Metal |
| Maximum Power | 650 Watts |
| Drill Type | Hammer Drill |
| Drilling Capacity (Wood) | 1 Inch |
| Drilling Capacity (Metal) | 13 Millimeters |
| Item Weight | 1.8 Kilograms |
| Country of Origin | China |
Performance Overview

Product Dimensions

Warranty and Support
The TRUPER ROTO-1/2A7 comes with a 2-year warranty from the manufacturer.
TRUPER Group's warranty covers over 25,000 accessories and spare parts, with minimal or no labor cost. There are 177 service centers in Mexico and 15 countries in Latin America. No purchase receipt is required to validate the warranty, simplifying the process for customers.
For technical assistance, warranty claims, or to locate a service center, please contact your local TRUPER service center or visit the official TRUPER website for more information.





