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Covers essential safety practices like work area cleanliness, environment consideration, child safety, and proper tool storage.
Details on safe tool operation, including not forcing the tool, using the right tool, proper dress, and cord care.
Guidance on selecting and using extension cords, including a table for correct gauge based on length and current.
Recommendations for safety glasses, face/dust masks, ear protection, and appropriate footwear during operation.
Instructions on checking for damaged parts, using only specified accessories, and ensuring repairs are done by specialists.
Lists key technical data including power input, voltage, current, speed, impact energy, and drill bit diameter range.
Describes features like double insulation, carbon brushes with automatic cut-out, slip-type clutch, and variable speed control.
Instructions on cleaning the drill bit connection and applying lubricant spray for optimal performance.
Details on inserting drill bits, selecting hammer or rotary drilling, and using the reversing switch.
Procedures for changing the chuck and adjusting the side handle with depth gauge for precise drilling.
Explanation of double insulation and guidance on selecting appropriate extension cords for the tool's power requirements.
The Hilti TE 5 Rotary Hammer is a robust and versatile electric tool designed for a variety of drilling and light chiseling tasks, primarily in concrete, masonry, and natural stone. Its primary function is to provide efficient hammer drilling, combining rotary motion with percussive action to penetrate tough materials quickly. Beyond hammer drilling, the TE 5 also offers a rotary drilling mode, allowing it to be used for drilling in wood, metal, and other materials where impact is not required. This dual functionality makes it a flexible tool for professionals in construction, renovation, and installation.
A key usage feature of the Hilti TE 5 is its double insulation, which provides enhanced operator protection by eliminating the need for grounding. This design simplifies its use with standard 115-volt outlets and reduces the risk of electric shock. The tool is equipped with a variable speed control switch, offering infinite regulation of the drilling speed. This allows operators to match the speed to the specific material and application, providing greater control and precision, especially when starting a hole or working with delicate materials.
The TE 5 incorporates a reversing switch, which is particularly useful for screwdriving applications or for freeing a jammed drill bit. For counter-clockwise rotation, the setting lever must be in the rotary drilling position (no hammering action), ensuring that the tool operates solely in rotary mode. It's important to note that counter-clockwise rotation should only be used for short periods to prevent undue wear on the tool.
User comfort and control are addressed through several design elements. The tool is intended to be held with two hands during operation, and a supplied adjustable side handle with a depth gauge ensures a secure grip and allows for precise control over drilling depth. This side handle can be rotated 360 degrees and locked in the desired position, accommodating different working angles and user preferences. Proper footing and balance are emphasized for safe and effective operation, especially when the tool might bind.
The chuck system of the Hilti TE 5 is designed for quick and easy bit changes. The tool comes with a TE-C chuck, which allows for rapid insertion and removal of drill bits. To insert a drill bit, the operator turns the chuck towards a specific symbol, inserts the bit while turning it until the drive grooves engage, and then locks the chuck by turning it towards another symbol. The chuck can also be completely removed by pulling the sleeve forwards, and replaced by aligning it with the guide and releasing the sleeve once the balls engage. When a key-type chuck is fitted, the hammering action automatically cuts out, making it suitable for rotary drilling only. This versatility in chuck types expands the range of accessories that can be used with the TE 5.
For optimal performance and safety, the TE 5 features an automatic hammering cut-out when idling, which prevents unnecessary wear and tear when the tool is not actively drilling. A slip-type clutch is integrated as a protection against motor overloading, safeguarding the motor and the operator in case the drill bit jams. This mechanism allows the motor to continue rotating while the bit is stalled, preventing damage to the tool and reducing the risk of kickback.
Maintenance features are designed to ensure the longevity and reliable operation of the TE 5. The tool is sealed against dust, protecting internal components from abrasive particles common in construction environments. It also boasts permanent lubrication, meaning it is maintenance-free in terms of lubrication, reducing the need for regular greasing by the user. However, the drill bit connection end, which is not part of the machine's lubrication system, should be cleaned at regular intervals and sparingly sprayed with Hilti lubricant spray, which is available as an accessory. This simple maintenance step helps ensure smooth bit changes and prevents premature wear of the chuck mechanism.
The TE 5 is equipped with carbon brushes that feature an automatic cut-out, indicating when they need replacement. This feature helps prevent motor damage that could occur if worn brushes are not replaced in a timely manner. When working in low temperatures, the start-up time can be reduced by jolting the drill bit against the work surface when switching on, a practical tip for improving efficiency in colder conditions.
In terms of safety, the Hilti TE 5 emphasizes the use of personal protective equipment. Operators are advised to always wear ear protectors, especially during extended periods of use, as the sound pressure level can exceed 85 dB (A). Protective gloves and safety glasses are also recommended to guard against debris and potential hand injuries. The importance of keeping the work area clean and well-lit, avoiding flammable liquids or gases, and preventing body contact with grounded surfaces is highlighted to minimize risks.
The tool's design also considers the proper use of extension cords. Users are advised to use extension cords heavy enough to carry the current the product will draw, as an undersized cord can lead to a drop in line voltage, loss of power, and overheating. Specific American Wire Gauge (AWG) recommendations are provided based on cord length to ensure safe and efficient power delivery. For outdoor use, only extension cords specifically marked for outdoor use should be employed.
Overall, the Hilti TE 5 Rotary Hammer is engineered as a reliable, user-friendly, and safe tool for a wide range of drilling applications. Its combination of hammer drilling and rotary drilling modes, along with features like variable speed control, reversing switch, and robust safety mechanisms, makes it a valuable asset for professionals seeking efficiency and durability in their work. Regular, simple maintenance and adherence to safety precautions ensure its long-term performance and operator well-being.
General| Drilling Diameter in Concrete | 20 mm |
|---|---|
| Dust Removal Module Available | Yes |
| Forward/Reverse Switch | Yes |
| Voltage | 230 V |
| Tool Chuck Type | SDS Plus |
| Functions | Hammer drilling, Drilling |
| Rotation Speed | 0-1100 rpm |
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