1. Introduction
This user manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your Ingco RH10508 Rotary Hammer Drilling Machine. Please read this manual thoroughly before using the tool to ensure proper handling and to prevent injury or damage.

Figure 1.1: Ingco RH10508 Rotary Hammer Drilling Machine and its included carrying case.
2. Safety Instructions
Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury. Keep this manual for future reference.
General Power Tool Safety Warnings
- Work Area Safety: Keep 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: Power tool plugs must match the outlet. Never modify the plug in any way. 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.
- Tool Use and Care: Do not force the power tool. Use the correct power tool for your application. Disconnect the plug from the power source before making any adjustments, changing accessories, or storing power tools.
3. Product Components
Familiarize yourself with the parts of your Ingco RH10508 Rotary Hammer.

Figure 3.1: Overview of the Ingco RH10508 Rotary Hammer.
- SDS Plus Chuck: For quick and secure bit changes.
- Auxiliary Handle: Provides additional grip and control.
- Depth Gauge: For precise drilling depth control.
- Mode Selector Switch: Allows selection between drilling, hammer drilling, and chiseling modes.
- Trigger Switch: Activates the tool.
- Lock-on Button: For continuous operation.
- Ventilation Openings: For motor cooling.

Figure 3.2: Detail of the mode selector switch, allowing selection of drilling, hammer drilling, or chiseling functions.

Figure 3.3: Close-up view of the adjustable auxiliary handle, which can be rotated 360 degrees for optimal grip.
4. Setup and Assembly
Attaching the Auxiliary Handle
The auxiliary handle can be rotated 360 degrees to suit various working positions. Loosen the handle by twisting it counter-clockwise, adjust to the desired position, and then tighten by twisting clockwise.
Inserting and Removing SDS Plus Bits
- Inserting: Clean the bit shank and apply a thin layer of grease. Insert the bit into the chuck until it clicks into place. Pull the bit to ensure it is securely locked.
- Removing: Pull back the chuck collar and hold it. Pull the bit out of the chuck.

Figure 4.1: The SDS Plus chuck system allows for quick and secure insertion of drill bits and chisels.
Setting the Depth Gauge
Insert the depth gauge into the hole on the auxiliary handle. Adjust the depth gauge to the desired drilling depth by sliding it in or out. Tighten the auxiliary handle to secure the depth gauge.
5. Operating Instructions
Selecting the Operating Mode
Rotate the mode selector switch to choose the appropriate function:
- Drilling Mode (Rotary Only): For drilling in wood, metal, and plastic.
- Hammer Drilling Mode (Rotary with Hammering): For drilling in concrete, masonry, and stone.
- Chiseling Mode (Hammering Only): For light chiseling and demolition work.

Figure 5.1: The mode selection dial allows users to switch between drilling, hammer drilling, and chiseling functions.
Starting and Stopping the Tool
- To Start: Press the trigger switch. The tool features variable speed control; the harder you press, the faster the rotation.
- For Continuous Operation: Press the trigger switch and then press the lock-on button.
- To Stop (from continuous operation): Press the trigger switch again.
Drilling and Hammer Drilling
Hold the tool firmly with both hands. Position the bit on the workpiece. Start the tool and apply steady, even pressure. Do not force the tool; let the hammer action do the work.

Figure 5.2: The rotary hammer being used for drilling into a concrete surface, demonstrating proper two-hand grip.

Figure 5.3: A close-up of the Ingco Rotary Hammer performing a drilling operation, highlighting the precision of the tool.
Chiseling Operations
For chiseling, ensure the tool is in chiseling mode. Use appropriate chisels for the material. Apply controlled pressure to break away material.

Figure 5.4: An operator utilizing the Ingco Rotary Hammer for light demolition, showcasing its versatility.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your rotary hammer.
- Cleaning: After each use, clean the tool with a soft cloth. Remove dust and debris from ventilation openings. Do not use water or chemical cleaners.
- Lubrication: Periodically apply a small amount of grease to the SDS Plus chuck to ensure smooth bit insertion and removal.
- Carbon Brushes: Check carbon brushes regularly. Replace them when they are worn down to the limit mark. Only use original replacement brushes.
- Storage: Store the tool in a dry, secure place, out of reach of children.

Figure 6.1: The product label provides important specifications and safety markings for the Ingco Rotary Hammer.
7. Troubleshooting
This section addresses common issues you might encounter with your rotary hammer.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start. | No power supply; faulty switch; worn carbon brushes. | Check power connection. Have switch or brushes inspected/replaced by qualified personnel. |
| Reduced hammering action. | Worn internal components; insufficient lubrication. | Contact authorized service center for inspection and repair. Ensure chuck is lubricated. |
| Excessive sparking at motor. | Worn carbon brushes; dirty commutator. | Replace carbon brushes. Have commutator cleaned by qualified personnel. |
| Bit not locking in chuck. | Dirty or damaged chuck; incorrect bit type. | Clean chuck. Ensure SDS Plus bits are used. If damaged, replace chuck. |
8. Technical Specifications
Key technical data for the Ingco RH10508 Rotary Hammer Drilling Machine.

Figure 8.1: Visual representation of key specifications for the Ingco RH10508.
| Feature | Detail |
|---|---|
| Model Number | RH10508 |
| Input Power | 1050W |
| Voltage | 220-240V~50/60Hz |
| No-load Speed | 0-900 RPM |
| Impact Rate | 0-4000 BPM |
| Impact Energy | 5J max |
| Chuck Type | SDS Plus |
| Max. Drilling Capacity (Concrete) | 28mm |
| Max. Drilling Capacity (Steel) | 13mm |
| Max. Drilling Capacity (Wood) | 40mm |
| Product Dimensions (L x W x H) | 28L x 8W x 18H Centimeters |
| Item Weight | 350 Grams |
| Material | Metal |
| Included Components | Rotary Hammer |
9. Warranty and Support
Ingco products are manufactured to high-quality standards and are guaranteed against defects in materials and workmanship. For warranty claims or technical support, please contact your local Ingco service center or the retailer from whom the product was purchased.
Please retain your proof of purchase for warranty validation. Unauthorized repairs or modifications will void the warranty.
For more information, visit the official Ingco website: www.ingco.com

Figure 9.1: The Ingco website provides additional resources and support.





