is a legendary, German-engineered material handling system renowned for its rugged longevity and industrial reliability . Originally developed under Demag's pioneering PK classic series, this specific workhorse handles safe working loads (SWL) ranging from .
The PK series represents one of Demag’s most successful lines of electric chain hoists. The "N" designation typically refers to specific technical iterations in the motor or lifting speed configurations. These units are prized for their durability, but like any mechanical system involving high-tension chains and electrical contactors, they require precise adjustment.
A complete available on ManualsLib generally includes several critical sections that users must understand: A. Safety Instructions
Utilized for sensitive lifting and precise positioning of components. D. Maintenance and Lubrication Gearbox: Check oil/grease levels periodically.
For both seasoned professionals and new users, the original manual is the ultimate authority. Understanding the "hot" issue often begins with these official documents. demag pk2n manual hot
Equipped with motors like the 16/5P2-8K, providing roughly 0.8/0.21 HP depending on the speed setting. Manual and Maintenance Resources
is typically configured for heavy-duty industrial lifting with the following standard specs: Load Capacity : Generally rated for 500 kg (approx. 1,100 lbs) in a 2-fall configuration or in a 1-fall setup. Lifting Speeds : Often features two speeds—a main lifting speed of 5 m/min (approx. 19.2 FPM) and a fine/precision lifting speed of 1.25 m/min (approx. 4.8 FPM) Power Supply : Standard industrial 380-460V, 3-phase operation. : The unit itself typically weighs between 32 kg and 50 lbs depending on the specific model and accessories. www.werktuigen.com Key Features & Performance Durability
Standard industrial three-phase power configurations. Critical Maintenance and Safety Procedures
1. Understanding the "Hot" Motor: Why Your Demag PK2N is Overheating The "N" designation typically refers to specific technical
Ensure the voltage (380V - 400V, 50Hz is typical) matches the hoist motor data.
: 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
Familiarize yourself with the exact location of the EMERGENCY STOP switch. It cuts the power supply to the hoist immediately. Manual Brake Release (In Power Outages)
Operating temperature range and IP protection ratings. C. Installation and Commissioning Proper installation is crucial. The manual covers: Mounting: Ensuring the hoist is properly suspended. Electrical Connection: Proper wiring to the power source. is a legendary
Insufficient lubrication on the load chain or internal gearbox creates immense friction, forcing the motor to work harder and generate excessive internal heat. Resolving Overheating Issues
A comprehensive Demag operation manual is structured into several high-utility sections designed to protect both the operator and the longevity of the machine. 1. Installation and Commissioning
The Demag PK range of electric chain hoists is characterized by its high-quality construction and long service life. The PK2N specifically represents a well-regarded model within this range, often featuring two lifting speeds—a fast speed for efficiency and a creep speed for precise positioning.
The Demag PK2N is generally operated via a suspended control pendant. When operating the hoist: