Makita DTD173 18V LXT Cordless Impact Driver

1. Introduction

Thank you for choosing the Makita DTD173 18V LXT Cordless Impact Driver. This powerful and versatile tool is designed for a wide range of fastening applications, offering high torque, variable speed control, and multiple operating modes. Featuring a brushless motor for extended durability and efficiency, along with dual LED work lights, the DTD173 provides reliable performance for both professional and DIY tasks. This manual provides essential information for the safe and effective use, maintenance, and troubleshooting of your impact driver.

2. Safety Information

Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury when using power tools. Keep this instruction manual for future reference.

• 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 such as pipes, radiators, ranges, and refrigerators.
• Personal Safety: Always wear eye protection. Use safety glasses, goggles, or a face shield. Wear hearing protection when operating the tool for extended periods. Dress properly; do not wear loose clothing or jewelry. Keep hair, clothing, and gloves away from moving parts.
• 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. Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool.
• Battery Tool Use and Care: Recharge only with the charger specified by the manufacturer. Use power tools only with specifically designated battery packs.

3. Package Contents

Your Makita DTD173 package typically includes:

• Makita DTD173 18V LXT Cordless Impact Driver (Tool Only)
• Instruction Manual

Note: Battery pack and charger are sold separately and are not included with the 'tool only' version of this product.

4. Setup

4.1 Battery Installation

1. Ensure the impact driver is switched off.
2. Align the battery pack with the battery housing on the tool.
3. Slide the battery pack into the housing until it clicks securely into place.
4. To remove, press the release button on the battery pack and slide it out.

4.2 Bit Installation

1. Pull the bit holder sleeve forward.
2. Insert the 1/4" hex shank bit into the chuck.
3. Release the sleeve to lock the bit in place. Ensure the bit is securely seated before operation.

5. Operating Instructions

5.1 Powering On/Off and Variable Speed

The tool is powered on by pulling the trigger switch. The speed is variable and controlled by the amount of pressure applied to the trigger (stepless speed change switch). Release the trigger to turn off the tool.

5.2 Forward/Reverse Rotation

The direction of rotation is changed by the forward/reverse lever located above the trigger. Push the lever to the left for forward rotation and to the right for reverse rotation. Ensure the tool is stopped before changing the direction of rotation.

5.3 Mode Selection (Fast Mode Switch)

The DTD173 features a 'Fast Mode Switch' to select between different operating modes, optimizing performance for various applications. The available modes are:

• T1 Mode: Typically for self-drilling screws in thin metal.
• T2 Mode: Generally for self-drilling screws in thick metal.
• Wood Mode: Optimized for driving screws into wood, preventing stripping or breaking.
• Bolt Mode: Designed for tightening and loosening bolts, providing maximum power.

Press the mode selection button to cycle through the available modes. The active mode will be indicated on the tool.

5.4 Dual LED Work Light

The tool is equipped with dual LED work lights that illuminate the work area automatically when the trigger is pulled, improving visibility in dimly lit conditions.

6. Maintenance

Regular maintenance ensures optimal performance and extends the lifespan of your tool.

• Cleaning: Keep the tool's air vents clean to prevent overheating. Wipe the tool body with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
• Bit Holder: Periodically inspect the bit holder for wear and tear. Clean out any debris that may accumulate in the chuck.
• Battery Care (if applicable): If you own a Makita 18V LXT battery, ensure it is charged using only a Makita-approved charger. Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
• Inspection: Regularly check all screws and fasteners for tightness. Tighten any loose screws.

7. Troubleshooting

Here are some common issues and their potential solutions:

8. Specifications

9. User Tips

• Battery and Charger: Remember that the Makita DTD173 is often sold as a 'tool only' unit. Ensure you have a compatible Makita 18V LXT battery and charger for operation.
• Optimize with Modes: Experiment with the T1, T2, Wood, and Bolt modes to find the best setting for your specific application. Using the correct mode can prevent damage to fasteners or materials and improve efficiency.
• Bit Selection: Always use impact-rated bits with your impact driver to prevent breakage and ensure optimal performance.
• LED Lights: Utilize the dual LED work lights for better visibility in dark or confined spaces, enhancing accuracy and safety.

10. Warranty and Support

Makita power tools are manufactured under strict quality control standards. For information regarding warranty coverage, service, or technical support, please refer to the official Makita website or contact your local authorized Makita service center. Keep your purchase receipt as proof of purchase for any warranty claims.