The DETROIT Demolition Hammer, part number DETDDH1700, is a robust power tool designed for breaking, scaling, and driving into concrete and similar materials. It is intended for outdoor use and should not be used in rain. This demolition hammer is a heavy-duty machine built for demanding tasks, emphasizing both performance and user safety through various design features and operational guidelines.
Function Description:
The primary function of the DETDDH1700 Demolition Hammer is to deliver powerful impacts for the demolition of hard materials like concrete. It operates by rapidly driving a chisel or point into the material, effectively breaking it apart. The tool is equipped with an SDS Hex chuck, which allows for quick and secure changes of accessories such as point and flat chisels. Its design incorporates anti-vibration features to enhance user comfort and reduce fatigue during extended operation.
Important Technical Specifications:
- Model: DETDDH1700
- Rated Voltage: 230-240 V~
- Rated Frequency: 50Hz
- Rated Input: 1700W
- No Load Speed: 1500/min
- Protection Class: II (Double insulation)
- Impact Energy: 50J
- Noise Measurements:
- A-weighted sound pressure level (LpA): 90.8 dB(A)
- Uncertainty (KpA): 3 dB
- A-weighted sound power level (LwA): 103.8 dB(A)
- Uncertainty (KwA): 3 dB
- Vibration Emission Values (according to EN 60745-1 and EN 60745-2-6):
- Main handle:
- Chiselling, ah,CH: 17.97m/s²
- Chiselling, ah,NL: 12.02m/s²
- Chiselling, ah,Cheq: 16.95m/s²
- Auxiliary handle:
- Chiselling, ah,CH: 14.41m/s²
- Chiselling, ah,NL: 10.62m/s²
- Chiselling, ah,Cheq: 13.73m/s²
The declared vibration total value has been measured in accordance with a standard test method and may be used for comparing one tool with another, and for preliminary assessment of exposure. However, actual vibration emission can differ based on usage.
Usage Features:
The DETDDH1700 is designed for straightforward operation with a focus on user safety and efficiency.
- SDS Hex Chuck: Facilitates easy and quick changing of chisels. To change the tool, the locking bolt (a) should be pulled out as far as possible, turned through 180 degrees, and released. The chisel can then be inserted into the chuck and pushed in as far as possible. Removal follows a similar process.
- Auxiliary Handle: The tool comes with an auxiliary handle (3) that can be adjusted to the desired working position by loosening it (turning anti-clockwise), rotating it, and then re-tightening it firmly. This handle is crucial for maintaining control and reducing the risk of personal injury.
- On/Off Switch: The tool is equipped with an ON/OFF switch (2) for easy control. To turn on, press the switch; to turn off, release it.
- Initial Operation: Before starting, users must ensure there are no hidden electrical, gas, or water lines in the work area. Using appropriate detectors or consulting utility companies is recommended.
- Safety Measures: The tool incorporates several safety warnings, including the need to wear personal protective equipment (ear protectors, gloves, safety footwear, face mask, eye protection, dust mask), avoid overreaching, dress properly (no loose clothing or jewelry), and ensure dust extraction facilities are properly used if available. It also warns against using the tool if the switch does not turn it on and off, and emphasizes disconnecting the plug from the power source before making adjustments or changing accessories.
- Electromagnetic Field: The machine produces an electromagnetic field during operation, which may interfere with active or passive medical implants. Individuals with medical implants are advised to consult their physician and the implant manufacturer before use.
- System Impedance: The maximum permissible system impedance at the user's supply interface point is 0.353Ω. Users should consult with the supply authority to ensure the equipment is connected to a supply of this impedance or less.
- Residual Current Device (RCD): It is recommended that the hammer always be supplied via a residual current device with a rated residual current of 30mA or less to prevent electric shock.
Maintenance Features:
Proper maintenance is essential for the longevity and safe operation of the DETDDH1700 Demolition Hammer.
- Regular Inspection: After each use, the tool should be checked to ensure it is in top condition. Regular cleaning and lubrication are recommended at least once a year.
- Cord Maintenance: If the supply cord is damaged, it must be replaced by a qualified, authorized service agent.
- Carbon Brushes: Carbon brushes need to be replaced when worn. This should be done by an authorized service agent, replacing both brushes at the same time.
- Grease Refilling: The grease must be refilled regularly. The recommended grease type is FT-1994, and alternatively Mobil SHC100. The tool comes with a grease cup for this purpose.
- Parts Breakdown: A detailed parts breakdown list is provided, including descriptions and quantities for each component, facilitating identification and replacement of parts.
- Qualified Repair Person: Any repairs should be performed by a qualified repair person using only identical replacement parts to ensure the safety of the power tool is maintained.
- Storage: Idle power tools should be stored out of reach of children and untrained users.
The DETDDH1700 Demolition Hammer is a powerful and specialized tool that requires careful handling and adherence to all safety warnings and instructions to prevent serious injury and ensure optimal performance.
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