The KNIPEX 97 22 240 is a versatile pair of crimping pliers designed for a range of electrical work, manufactured by KNIPEX-Werk C. Gustav Putsch KG in Germany. These pliers are engineered for precision and durability, adhering to high-quality standards.
Function Description
The primary function of the KNIPEX 97 22 240 crimping pliers is to perform multiple tasks related to electrical cable preparation and connection. These tasks include:
- Cutting Cables: The pliers are equipped with a cable cutter (1) capable of cleanly cutting cables up to 6 mm² in cross-section. This feature ensures precise cuts, which are essential for proper cable preparation.
- Stripping Cables: Integrated blades (5) allow for stripping insulation from cables with cross-sections ranging from 0.75 to 6.0 mm². This function prepares the conductor for crimping or other connections by removing the outer insulation without damaging the wire strands.
- Crimping Insulated Terminals and Cable Connectors: The pliers feature crimping points (2) specifically designed for oval crimp connections on insulated terminals and cable connectors. These points accommodate fine conductor cables with cross-sections from 0.5 to 6.0 mm². The crimping process involves first crimping the stripped area of the conductor and then the insulated area to ensure a secure and reliable connection.
- Crimping Non-Insulated Open Plug Type Connectors: Dedicated crimping points (4) are provided for B-crimp connections on unshielded, open plug type connectors. These are suitable for fine conductor cables with cross-sections of 1.5 to 2.5 mm² and a connector width of 6.3 mm. The B-crimp connection is critical for ensuring electrical integrity and mechanical strength, adhering to standards like DIN EN 60352-2:1994 + A1:1997 + A2:2002.
- Cutting and Recutting Threads on Copper or Brass Threaded Bolts: The pliers incorporate threaded holes (3) for cutting copper or brass threaded bolts of various sizes: M 2.6, M 3, M 3.5, M 4, and M 5. After cutting, the tool also recuts the thread, ensuring that the bolt remains usable. This feature adds significant versatility, allowing for precise length adjustments of threaded fasteners.
Important Technical Specifications
- Article Number: 97 22 240
- Length: 240 mm
- Weight: 300 g
- Capacity (Cable Cross-Section): 0.5 – 6.0 mm²
- Application:
- Insulated terminals and cable connectors
- Non-insulated open plug type connectors (plug width 6.3 mm)
- Material Properties: Pliers are black-lacquered, and handles feature multi-component grips for enhanced comfort and control.
Usage Features
The KNIPEX 97 22 240 is designed for ease of use and safety, incorporating several features to streamline operations:
- Multi-Component Grips: The handles are equipped with multi-component grips, providing a comfortable and secure hold, which reduces user fatigue during prolonged use.
- Clear Markings: The tool features clear markings for different cable cross-sections and bolt sizes, facilitating quick and accurate selection of the appropriate crimping point, stripping blade, or threaded hole.
- Step-by-Step Operation: The manual provides detailed, step-by-step instructions for each function, ensuring that users can perform tasks correctly and safely. For example, when making an oval crimp, users are guided to select the correct crimp profile, position the connector, insert the conductor, and then crimp the stripped and insulated areas sequentially.
- B-Crimp Guidance: Specific guidance is provided for making B-crimp connections, including illustrations of correct and incorrect crimps, highlighting common errors such as improper stripping length or insufficient insulation support. This helps users achieve high-quality, reliable connections that meet industry standards.
- Threaded Bolt Cutting Mechanism: The design allows for easy insertion and removal of threaded bolts. Users screw the bolt into the appropriate hole, press the pliers closed to cut, and then unscrew the bolt, which simultaneously recuts the thread.
- Safety Instructions: The manual emphasizes safety, particularly regarding sharp blades and flying parts. Users are advised to handle sharp blades with care and wear protective goggles when cutting cables and threaded bolts to prevent injuries.
Maintenance Features
Maintaining the KNIPEX 97 22 240 is straightforward, focusing on ensuring the longevity and optimal performance of the tool:
- Regular Joint Lubrication: The primary maintenance recommendation is to regularly oil the joint of the tool. This keeps the moving parts operating smoothly, prevents rust, and extends the tool's lifespan.
- Durability: The black-lacquered finish provides a degree of corrosion resistance, contributing to the tool's overall durability in various working environments.
- Disposal: At the end of its service life, the tool can be disposed of as household waste, indicating that it does not contain hazardous materials requiring special disposal procedures.
The KNIPEX 97 22 240 is a robust and versatile tool, ideal for electricians and technicians who require a reliable, multi-functional device for cutting, stripping, and crimping cables, as well as cutting and re-threading small copper and brass bolts. Its German engineering ensures quality and precision in every application.
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