Introduction
Thank you for choosing the Total Tools Corded Electric Rotary Hammer, Model TH308266. This powerful and versatile tool is designed for efficient drilling and hammering in various materials, including concrete, masonry, and wood. This manual provides essential information for the safe operation, maintenance, and troubleshooting of your rotary hammer. Please read it thoroughly before using the tool and keep it for future reference.
The TH308266 features an 800-watt motor, providing robust performance for demanding tasks. It is a corded electric tool, ensuring consistent power delivery without the need for battery charging. Key components include the main handle, auxiliary handle, chuck, and mode selector.
Safety Instructions
Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury. Keep this manual handy for quick 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. Power tools create sparks which may ignite the dust or fumes. Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.
- Electrical Safety: Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock. Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock.
- Personal Safety: Stay alert, watch what you are doing and use common sense when operating a power tool. Do not use a power tool while you are tired or under the influence of drugs, alcohol or medication. A moment of inattention while operating power tools may result in serious personal injury. Use personal protective equipment. Always wear eye protection. Protective equipment such as dust mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries. Prevent unintentional starting. Ensure the switch is in the off-position before connecting to power source, picking up or carrying the tool. Carrying power tools with your finger on the switch or energizing power tools that have the switch on invites accidents.
Product Overview
Familiarize yourself with the components of your Total Tools Rotary Hammer TH308266.

Figure 1: Main view of the Total Tools TH308266 Corded Electric Rotary Hammer. This image shows the tool's primary body, main handle, auxiliary handle, chuck, and mode selector switch. The power cord is visible extending from the rear of the tool. The tool is predominantly blue with grey and orange accents.
- Main Handle: Ergonomically designed for comfortable grip and control.
- Auxiliary Handle: Provides additional stability and control during operation. Adjustable for left or right-handed use.
- Chuck: For securely holding drill bits and chisels.
- Mode Selector Switch: Allows selection between drilling, hammer drilling, and chiseling modes.
- Depth Gauge: Used to set the desired drilling depth.
- Power Cord: Durable cord for reliable power connection.

Figure 2: The Total Tools TH308266 Rotary Hammer neatly stored in its robust carry case, alongside various accessories. The accessories include several drill bits of different sizes and a chisel, indicating the tool's versatility for various applications.
Setup
Unpacking
Carefully remove the rotary hammer and all accessories from the packaging. Inspect the tool for any signs of damage during transit. Retain the packaging for future storage or transport.
Attaching the Auxiliary Handle
- Loosen the auxiliary handle clamp by rotating it counter-clockwise.
- Slide the auxiliary handle onto the front of the tool body.
- Adjust the handle to a comfortable and secure position.
- Tighten the clamp by rotating it clockwise until the handle is firmly secured.
Installing Drill Bits/Chisels
- Ensure the tool is unplugged from the power source.
- Clean the shank of the drill bit or chisel.
- Pull back the chuck collar.
- Insert the drill bit/chisel into the chuck until it clicks into place.
- Release the chuck collar.
- Pull on the bit to ensure it is securely locked. A slight axial movement is normal for SDS-plus chucks.
Operating Instructions
Powering On/Off
- To turn the tool ON, press the trigger switch.
- To turn the tool OFF, release the trigger switch.
- For continuous operation, press the trigger and then press the lock-on button (if available). To release, press the trigger again.
Mode Selection
The TH308266 offers three operating modes:
- Drilling Mode (Rotation Only): For drilling in wood, metal, and plastics. Set the mode selector to the drill icon.
- Hammer Drilling Mode (Rotation with Hammering): For drilling in concrete, brick, and masonry. Set the mode selector to the hammer drill icon. This is the primary mode for heavy-duty drilling.
- Chiseling Mode (Hammering Only): For light chiseling, chipping, or demolition work. Set the mode selector to the chisel icon. The rotation is disengaged in this mode.
Always ensure the mode selector is fully engaged in the desired position before starting the tool.
Drilling Techniques
- Mark the drilling spot accurately.
- Hold the tool firmly with both hands, ensuring a stable stance.
- Start drilling at a low speed to prevent the bit from wandering, then increase speed as needed.
- Apply steady, even pressure. Do not force the tool.
- For deep holes, periodically withdraw the bit to clear debris.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your rotary hammer.
Cleaning
- Always unplug the tool before cleaning.
- Clean the ventilation openings regularly to prevent overheating. Use a soft brush or compressed air.
- Wipe the tool housing with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Keep the chuck clean and free of dust and debris.
Lubrication
The internal components of the rotary hammer are factory-lubricated and generally do not require user lubrication. If you notice a decrease in performance or unusual noise, it is recommended to have the tool serviced by an authorized service center.
Storage
Store the tool in a dry, secure place, out of reach of children. Use the original carry case for protection against dust and impact.

Figure 3: The Total Tools TH308266 Rotary Hammer, its instruction manual, and various accessories, including drill bits and chisels, all neatly arranged within the durable carry case. This setup highlights the importance of proper storage and organization for tool longevity and accessibility.
Troubleshooting
Refer to the table below for common issues and their potential solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start. | No power supply; Faulty power cord/plug; Trigger switch fault. | Check power outlet and connections; Inspect cord for damage; Contact authorized service center. |
| Hammering action is weak or absent. | Incorrect mode selection; Worn internal components. | Ensure mode selector is set to hammer drilling or chiseling; Contact authorized service center. |
| Excessive vibration or noise. | Loose bit; Damaged internal components; Overload. | Ensure bit is securely installed; Reduce pressure; Contact authorized service center. |
| Tool overheats. | Blocked ventilation openings; Continuous heavy use; Overload. | Clean ventilation openings; Allow tool to cool down; Do not overload. |
Specifications
Technical data for the Total Tools Corded Electric Rotary Hammer TH308266.
| Feature | Detail |
|---|---|
| Model Number | TOTAL TH308266 |
| Type | Rotary Hammer |
| Power Source | Corded Electric |
| Brand | Total Tools |
| Item Weight | 8.78 Kilograms |
| Package Dimensions | 42.4 x 33 x 14.4 cm |
| Color | Blue |
| Voltage | 4 Volts |
| Maximum Power | 800 Watts |
| Included Components | Chuck Key, Carry Case |
| Batteries Required? | No |
| Maximum Chuck Size | 0.5 Inches |
| Drilling Capacity Wood | 0.5 Inches |
Warranty and Support
Total Tools products are manufactured to high-quality standards and are guaranteed against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Total Tools website.
For technical assistance, spare parts, or service, please contact your authorized Total Tools dealer or the customer support line provided in your product documentation. When contacting support, please have your model number (TH308266) and serial number (if applicable) ready.





