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This document provides an instruction manual for the Makita Cordless Impact Wrench, model TW160D. It covers various aspects of the tool, including its functional description, safety warnings, operating procedures, maintenance, and optional accessories.
The Makita TW160D is a cordless impact wrench designed for fastening bolts and nuts. It operates on a D.C. 10.8 V - 12 V max battery system. The tool incorporates a battery protection system that automatically cuts off power to the motor under certain conditions to extend battery life. This system activates if the tool is overloaded, if the battery overheats, or if the battery voltage is too low.
The tool features a switch trigger for operation. Pulling the switch trigger starts the tool, and increasing pressure on the trigger increases the tool speed. Releasing the trigger stops the tool. The tool also has a front lamp that illuminates when the switch trigger is pulled, providing light to the work area. The lamp stays on for approximately 10 seconds after the trigger is released. There is also a button to control the lamp status, allowing the user to keep the lamp off if desired.
A key feature of the TW160D is its reversing switch, which allows the user to change the direction of rotation. This is crucial for both tightening and loosening fasteners. The reversing switch lever can be set to clockwise rotation (from the A side), counterclockwise rotation (from the B side), or a neutral position where the switch trigger cannot be pulled.
The impact force of the tool can be adjusted in three steps: hard, soft, and Reverse rotation auto stop mode. This adjustment allows for tightening suitable to different types of work. The impact force is changed by pressing a dedicated button. In Reverse rotation auto stop mode, the tool stops impacting and rotating once the bolt or nut is sufficiently loosened, which is particularly useful for disassembling bolts and nuts. This mode is only active when the tool rotates counterclockwise.
The tool is equipped with an indicator for remaining battery capacity, which is present on battery cartridges with this feature. Pressing a check button on the battery cartridge illuminates indicator lamps that show the approximate remaining power.
Before using the tool, it is essential to install the battery cartridge correctly. The battery cartridge slides into the tool's housing, aligning with a groove, and locks into place with a click. A red indicator should not be visible when the battery is fully installed. Similarly, the battery cartridge is removed by sliding a button on the front of the cartridge while pulling it out of the tool. Always ensure the tool is switched off before installing or removing the battery cartridge.
When operating the impact wrench, users should hold the tool firmly and keep hands away from rotating parts. It is crucial to wear protective goggles to shield eyes from injury. For operations where fasteners might contact hidden wiring, the tool should be held by insulated gripping surfaces to prevent electric shock. Ear protectors are also recommended due to noise emission.
The selection of the correct impact socket is vital for proper fastening and to prevent damage to the bolt, nut, or socket. After operation, avoid touching the impact socket, bolt, nut, or workpiece immediately, as they can become extremely hot.
The fastening torque can vary based on the type and size of the bolt. It is recommended to check the torque with a torque wrench after fastening to ensure proper tightness. Factors such as battery charge level, impact socket condition, bolt characteristics (diameter, torque coefficient, class, length), and the manner of holding the tool can all influence the fastening torque. It is advisable to perform a test operation to determine the proper fastening time for specific bolts or nuts.
For optimal battery life, it is recommended to charge the battery cartridge before it is completely discharged, stopping tool operation when a decrease in power is noticed. Avoid overcharging a fully charged battery. Battery cartridges should be charged at room temperature (10 °C - 40 °C or 50 °F - 104 °F), and hot battery cartridges should be allowed to cool before charging.
Regular maintenance is crucial for ensuring the safety and reliability of the Makita TW160D. Before performing any inspection or maintenance, always ensure the tool is switched off and the battery cartridge is removed.
Users should avoid using gasoline, benzine, thinner, alcohol, or similar substances for cleaning the tool, as these can cause discoloration, deformation, or cracks. For general cleaning, a dry cloth can be used to wipe dirt off the lamp lens, taking care not to scratch it, which could reduce illumination.
Any repairs, maintenance, or adjustments should be carried out by Makita Authorized or Factory Service Centers, using only genuine Makita replacement parts. This ensures that the tool's safety standards are maintained. Service of damaged battery packs should exclusively be performed by the manufacturer or authorized service providers.
It is important to keep cutting tools, such as impact sockets, sharp and clean. Properly maintained tools are less likely to bind and are easier to control. Users should regularly check impact sockets for wear, cracks, or damage before installation. A worn or incorrect size impact socket can reduce fastening torque.
The instruction manual also emphasizes the importance of proper storage. Idle power tools should be stored out of reach of children and individuals unfamiliar with the tool. The tool and battery cartridge should not be stored in locations where temperatures can reach or exceed 50 °C (122 °F). The battery cartridge should not be incinerated, even if severely damaged or worn out, as it can explode in a fire. Users should also be careful not to drop or strike the battery and should never use a damaged battery.
General| Max Torque | 160 Nm |
|---|---|
| Impact Rate | 0-3, 200 IPM |
| Battery Type | Li-ion |
| Voltage | 12V |
| Drive | Square |
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