Comprehensive inspection by a qualified technician, including electrical components and gearbox oil (if applicable). 5. Locating Spare Parts
This comprehensive guide covers the essential aspects found within the official documentation, providing insights into operation, maintenance, and troubleshooting to keep your equipment running at peak efficiency. 1. Introduction to the Demag PK2N Electric Chain Hoist
is critical to preventing overloading and component failure. The PK2 series features a distinct modular construction that balances high torque with strict mechanical control. Specification Parameter Standard Configuration 250 kg to 500 kg (configuration dependent) Standard Voltage Supply 220V / 380V AC (Three-Phase, 50 Hz) Amperage Rating 16 Amp standard CE-plug Control Interface Low-voltage pendant controller (e.g., DSK or DST variants) Drive System Two-stage cylindrical gear reducer with sliding rotor brake Core Components of the PK2N Hoist demag pk2n manual hot
: 500 kg (with dual load chains) or 250 kg (single chain fall) Main Lifting Speed : 5 m/min Fine (Creep) Lifting Speed : 1.25 m/min Motor Power Output : 0.5 kW / 0.13 kW Standard Power Supply : 380 Volt / 50 Hz AC
Disclaimer: Always consult the official Demag PK2N manual specific to your model and serial number before performing repairs. Specification Parameter Standard Configuration 250 kg to 500
The manual dedicates a specific paragraph to the "hot reset." After the motor shuts down due to thermal overload:
The PK2N uses an AC brake rectifier (often Type BGE 1.5). If this rectifier shorts, it holds the brake open magnetically, but the coil draws constant current. The coil burns "hot" within 60 seconds. it holds the brake open magnetically
The clutch is typically adjusted via a nut located under the housing cover. It must be set so that it slips at roughly of the rated capacity. 3. Electrical Connections and Wiring
If you're searching for this topic, you're likely encountering frustrating performance issues. Here are the primary reasons a Demag PK2N can run "hot" and where to look for a solution.