AEG BBH18C-0
AEG BBH18C-0 Cordless Combination Hammer User Manual
Model: BBH18C-0 (4935464984)
Brand: AEG
Introduction
This user manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your AEG BBH18C-0 Cordless Combination Hammer. Please read this manual thoroughly before first use and keep it for future reference.
The AEG BBH18C-0 is a powerful 18V cordless combination hammer designed for various drilling and chiseling applications. It features a compact design, SDS-plus tool holder, and intelligent electronics for speed control.

Figure 1: Main view of the AEG BBH18C-0 Cordless Combination Hammer. This image shows the tool's compact orange and black body, the SDS-plus chuck, and the 18V battery slot.
Safety Instructions
Always observe general power tool safety warnings and instructions provided with the product.
- Wear appropriate personal protective equipment (PPE) such as safety glasses, hearing protection, and gloves.
- Ensure the work area is well-lit and clear of obstructions.
- Do not operate the tool in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Keep children and bystanders away while operating a power tool.
- Disconnect the battery pack from the tool before making any adjustments, changing accessories, or storing the tool.
- Use the correct tool for your application.
- Maintain tools with care. Keep cutting tools sharp and clean.
- Store idle tools out of the reach of children.
Setup
Battery Installation
The AEG BBH18C-0 requires an 18V Lithium-Ion battery (not included).
- Ensure the tool is switched off.
- Align the battery pack with the battery port on the tool handle.
- Slide the battery pack into the port until it clicks securely into place.
- To remove, press the battery release button and slide the battery pack out.
SDS-Plus Bit Installation
- Clean the shank of the SDS-plus drill bit or chisel.
- Pull back the chuck collar on the tool.
- Insert the bit into the chuck until it locks into place.
- Release the chuck collar. Pull on the bit to ensure it is securely seated.
- To remove, pull back the chuck collar and pull the bit out.

Figure 2: Front view of the AEG BBH18C-0, highlighting the SDS-plus chuck for bit installation.
Operating
Operating Modes
The tool features four operating modes, selectable via the mode selector switch:
- Rotary Drilling: For drilling in wood, metal, and plastics without hammer action.
- Hammer Drilling: For drilling in concrete, masonry, and stone with hammer action.
- Chiseling: For light chiseling work in concrete and masonry.
- Chisel Lock/Angle Adjustment: Allows for adjusting the chisel angle without rotation.

Figure 3: Rear view of the AEG BBH18C-0, showing the mode selector switch for different applications.
Speed Control
The intelligent electronics provide variable speed control. The speed is regulated by the pressure applied to the trigger switch.
Applications
The compact design and multiple modes make this tool versatile for various tasks:

Figure 4: Worker using the hammer drill to create holes in a concrete ceiling. The tool's compact size allows for overhead work.

Figure 5: Close-up view of the AEG BBH18C-0 in action, demonstrating its effectiveness for overhead drilling in concrete.

Figure 6: The tool being used for precision drilling into a cabinet, showcasing its versatility beyond heavy-duty applications.

Figure 7: Worker performing chiseling work on a wall, demonstrating the tool's hammer function for material removal.
Maintenance
- Cleaning: Regularly clean the ventilation slots of the tool to prevent overheating. Use a soft, damp cloth. Do not use solvents.
- Lubrication: Apply a thin layer of grease to the SDS-plus bit shank before insertion to ensure smooth operation and prolong chuck life.
- Storage: Store the tool and battery packs in a cool, dry place, away from direct sunlight and moisture.
- Battery Care: Charge battery packs regularly, even if not in use, to maintain optimal performance and lifespan.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not charged or improperly inserted | Charge battery; ensure battery is fully inserted until it clicks |
| Reduced performance | Worn drill bit; low battery charge | Replace drill bit; recharge battery |
| Bit not locking in chuck | Chuck collar not pulled back sufficiently; dirty bit shank | Pull chuck collar fully back; clean bit shank |
Specifications
| Feature | Detail |
|---|---|
| Model | BBH18C-0 (4935464984) |
| Brand | AEG |
| Power Source | Battery Powered |
| Voltage | 18 Volts |
| Tool Holder | SDS-Plus |
| Operating Modes | 4 (Rotary Drilling, Hammer Drilling, Chiseling, Chisel Lock) |
| Special Feature | Variable Speed |
| Item Weight | 5.19 pounds |
| Product Dimensions | 7.24 x 3.35 x 6.61 inches |
Warranty and Support
For warranty information and customer support, please refer to the official AEG website or contact your local AEG service center. Keep your proof of purchase for warranty claims.

Figure 8: The AEG PRO 18V system, illustrating the wide range of compatible tools and batteries.
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