14.REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on.

15.AVOID UNINTENTIONAL STARTING. Don't carry tool with finger on switch. Be sure switch is OFF when plugging in.

16.OUTDOOR USE EXTENSION CORDS. When tool is used outdoors, use only extension cords intended for use outdoors and so marked.

17.STAY ALERT. Watch what you are doing, use common sense. Don't operate tool when you are tired.

18.CHECK DAMAGED PARTS. Before further use of the tool, a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function. Check for alignment of moving parts, binding of moving parts, breakage of parts. mounting, and any other conditions that may affect its operation. A guard or other part that is damaged should be properly repaired or replaced by an authorized service center unless otherwise indicated elsewhere in this instruction manual. Have defective switches replaced by authorized service center. Don't use tool if switch does not turn it on and off.

19.GUARD AGAINST ELECTRIC SHOCK. Prevent body contact with grounded surfaces. For example; pipes, radiators, ranges, refrigerator enclosures.

20.REPLACEMENT PARTS. When servicing, use only identical replacement parts.

21.POLARIZED PLUGS. To reduce the risk of electric shock, this equipment has a polarized plug (one blade is wider than the other). This plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician to install the proper outlet. Do not change the plug in any way.

VOLTAGE WARNING: Before connecting the tool to a power source (receptacle, outlet, etc.) be sure the voltage supplied is the same as that specified on the nameplate of the tool. A power source with voltage greater than that specified for the tool can result in SERIOUS INJURY to the user - as well as damage to the tool. If in doubt, DO NOT PLUG IN THE TOOL. Using a power source with voltage less than the nameplate rating is harmful to the motor.

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Makita 4191DZ instruction manual
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4191DZ specifications

The Makita 4191DZ and 4191DWA are innovative power tools designed to enhance efficiency and performance in various applications. These models are particularly well-suited for professionals and DIY enthusiasts looking for reliable solutions for cutting and drilling tasks.

One of the standout features of the Makita 4191DZ and 4191DWA is their portability. Both models are lightweight and compact, making them ideal for overhead and tight space work. The cordless design offers exceptional freedom of movement without being tethered to a power outlet, allowing users to operate effectively in a range of environments.

These tools are powered by a high-performance 18V lithium-ion battery, which is known for its long-lasting power and quick charging capabilities. This technology not only reduces downtime between tasks but also extends the overall lifespan of the battery. Users can enjoy a consistent power output throughout their work, whether drilling into wood, metal, or masonry.

The Makita 4191DZ and 4191DWA feature a variable speed control mechanism, enabling users to adjust the speed according to the requirements of the task at hand. This versatility is critical when working with different materials, as it allows for optimal drilling efficiency and precision. Coupled with a high-speed steel drill bit, these models can achieve quick and clean holes in various substrates.

Moreover, both models incorporate advanced safety features. The built-in electronic brake stops the rotation of the bit almost immediately when the trigger is released, enhancing user safety significantly. Additionally, the ergonomic grip design ensures maximum comfort during extended use, reducing fatigue and improving overall handling.

The construction of these tools also reflects a commitment to durability. The robust outer casing is engineered to withstand the rigors of professional use while protecting internal components from dust and debris. This is especially beneficial for those who work in tough job site conditions.

In summary, the Makita 4191DZ and 4191DWA are exceptional cordless power tools that combine portability, performance, and safety. With features such as a powerful lithium-ion battery, variable speed control, and durable construction, they are perfect choices for anyone seeking reliability and efficiency in their drilling and cutting tasks.
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