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The Demag PK2N (often found as the PK2N-F) is a classic electric chain hoist known for its durability and two-speed lifting capabilities. While newer models like the DC-Pro have succeeded it, the PK2N remains widely used in industrial settings. Key Technical Specifications
The PK2N is typically configured for 1/2 ton (500 kg) applications, though its capacity can vary based on its chain fall configuration.
Load Capacity: 250 kg (single-fall) or 500 kg (double-fall). Lifting Speeds (2-Speed Motor): Main Speed: ~5 m/min (approx. 19.2 ft/min). Creep/Precision Speed: ~1.25 m/min (approx. 4.8 ft/min). Power Supply: 400V or 230V, 3-phase, 50/60 Hz. Motor Power: 0.5 kW / 0.13 kW.
Net Weight: Approximately 32.5 kg (unit only) to 63 kg (with trolley). Core Features & Components ▷ Used Chain Demag PK2N-F for sale - Machineseeker.com
Demag PK2N , often searched as "demag pk2n manual hot," refers to the legacy series of electric chain hoists produced by Mannesmann Demag. These durable units are widely used in manufacturing, dairy, and food processing for lifting loads up to 500 kg. Core Specifications of Demag PK2N-F
The PK2N series is characterized by its compact design and reliability. Standard specifications for the common Go to product viewer dialog for this item. model include:
Lifting Capacity: Typically 500 kg (approx. 1,100 lbs) for 2-fall operation or 250 kg for single-leg operation.
Lifting Speeds: Dual-speed capability featuring a main speed of roughly 5 m/min (19.2 ft/min) and a creep speed for precise positioning of 1.25 m/min (4.8 ft/min).
Power Requirements: Standard units operate on 3-phase 400V or 460V at 50/60 Hz.
Motor: Equipped with motors like the 16/5P2-8K, providing roughly 0.8/0.21 HP depending on the speed setting. Manual and Maintenance Resources
While the PK series has been superseded by newer models like the Demag DC-Pro, documentation remains critical for refurbishing older units. ▷ Used Chain Demag PK2N-F for sale - Machineseeker.com
The Demag PK2N (often designated as PK2N-F) is an electric chain hoist typically used for lifting capacities of 250 kg to 500 kg. Below are the key technical specifications and manual resources for this model: Technical Specifications Lifting Capacity: 250 kg or 500 kg (model dependent).
Lifting Speed: Standard main speed of 5 m/min and precision (fine) speed of 1.25 m/min. Motor Power: Generally 0.5 / 0.13 kW. Power Supply: 380–400 Volt, 50 Hz.
Hook Path: Standard ranges include 3.5 to 5 meters, though it can be configured for more.
Weight: Unit weight is approximately 32.5 kg (net) for the hoist alone, up to 63 kg when paired with an electric trolley. Manuals & Spare Parts
The PK2N is a legacy model, so manuals are often found through archive or spare part directories:
Spare Parts List: A detailed PK 2 Spare Parts List is available on Scribd, covering components like the brake, housing, and terminal box cap.
Wiring Diagrams: Information for electrical maintenance can be found in specialized Demag Wiring Schematic documents.
Operating Instructions: For general maintenance or modern equivalents, you can visit the Demag Documentation portal. Key Components
The PK series is known for a robust aluminum alloy housing and a sliding-rotor brake motor, which simplifies maintenance by combining the motor and brake into a single reliable unit. Operating instructions/component parts - Demag Cranes
Demag, a well-known brand in the crane and hoist industry, offers a variety of products, including electric hoists like the PK series. The "PK2N" likely refers to a specific model within their product lineup.
A: No. The manual classifies the PK2N typically as FEM 2m or 1Bm (intermittent). Running it "hot" continuously will melt the winding insulation. You need a PK (Professional) series or a larger unit.
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If "hot" truly means high-temperature operation (e.g., foundry, steel mill), then your feature should auto-annotate the manual with warnings and temperature specs. demag pk2n manual hot
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The Demag PK2N (often seen in manual and "F" or two-speed variants) is a reliable electric chain hoist frequently used for industrial lifting and in specialized setups like injection molding environments. While official manuals for older units like the PK2 series are often restricted to authorized dealers, key features and maintenance procedures can be found through official service guides and technical lists. Key Features & Technical Specifications Load Capacity: Standard
units are commonly rated for 500 kg (approx. 1,100 lbs), though variants like the may have different ratings.
Operating Speeds: The "N" variant typically refers to normal lifting speed, while the "F" variant (PK2N-F) includes a creep speed for precision positioning. Maintenance "Hot" Points:
Air Gap: The critical air gap value between the rotor and stator is specified as 0.30 mm.
Lubrication: Before installation, the reducer should be soaked with reducer oil for at least one hour.
Slipping Clutch: Manuals emphasize regularly checking the operation of the gearbox and the slipping clutch for safety.
Control Boards: If your unit is showing signs of overheating (often referred to as running "hot"), technicians recommend checking for "burnout" smells or visual signs of overheating on the control panel or board. Where to Find Documentation
If you need the full original PDF for technical repair, you can access manuals through the following channels:
Authorized Dealers: Demag Cranes provides manuals primarily through their network of US and Canadian authorized dealers.
Online Documentation Systems: Digital libraries allow searching by document number or product type (e.g., "PK 2") for immediate download of technical manuals and spare parts lists. Operating instructions - Demag Cranes
Checking operation of the gearbox and slipping clutch. 59. 7.3.4. Checking the hook safety catch. 59. 7.4. Switching off. 60. 7.5. Demag Cranes The Ultimate Guide to Demag DC Chain Hoist Error Codes
Mastering the Demag PK2N Chain Hoist: Maintenance and Heat Management
The Demag PK2N is a legendary electric chain hoist, widely recognized for its robust German engineering and long-term durability in industrial environments. Whether you are operating a legacy unit from the 1970s or a refurbished model, understanding its technical manual is key to safe operation and preventing common issues like overheating. Technical Specifications: Demag PK2N-F
The "N" in PK2N typically denotes a standard version, often found in dual-speed configurations for precision lifting. Load Capacity: Typically 250 kg to 500 kg.
Lifting Speeds: Often features a main speed of 10 m/min and a precision (creep) speed of 2.5 m/min.
Duty Factor (CDF): Standard units are often rated for a 60% cyclic duty factor, meaning they can operate for 6 out of every 10 minutes.
Operating Temperature: Reliable performance is usually guaranteed between -20 °C to +45 °C, though some variants can handle up to 60 °C with proper cooling. Troubleshooting "Hot" Running and Overheating
If your Demag PK2N is running hot or the motor feels excessively warm, it is usually a symptom of one of the following mechanical or electrical failures: 1. Brake Friction and Air Gap Issues
The most common cause of heat in a Demag hoist is a dragging brake. If the brake does not fully disengage, the motor must work against its own friction. Demag Standard Cranes
Understanding and maintaining your Demag PK2N electric chain hoist is crucial for operational safety and equipment longevity. While often referred to in service manuals alongside newer DC-Pro models, the remains a robust workhorse in industrial environments. Core Technical Specifications Demag PK2N is a high-performance hoist typically featuring:
Capacity: Commonly rated for 500 kg (0.5 t) but varies by configuration.
Duty Cycle: Designed for heavy use with a 60% cyclic duty factor and up to 360 starts per hour.
Insulation: Class F insulation, allowing it to handle high ambient temperatures.
Lifting Speeds: Often equipped with dual lifting speeds (main and precision/creep) for accurate positioning. Addressing "Hot" Operation and Overheating Demag PK2N If you want, I can produce a short
motor is running "hot" or tripping, the official manual and service guides recommend checking the following:
Air Gap Calibration: A critical maintenance point is the rotor-to-stator air gap. For Demag PK series motors, this value should typically be 0.30 mm. If the gap is too small, the motor may drag; if too large, it may not engage properly, leading to heat buildup.
Cooling Fins: Accumulation of dust or debris on cooling fins prevents heat dissipation. Keep these clean to ensure the motor operates within its rated temperature range.
Operating Conditions: Check the "Duty Factor". Exceeding the rated 60% duty cycle (the ratio of operating time to rest time) is a primary cause of overheating.
Brake Drag: If the brake is not fully releasing due to wear or incorrect adjustment, the motor will work against the resistance, generating significant heat. Refer to the manual for brake displacement measurements. Maintenance Best Practices The Ultimate Guide to Demag DC Chain Hoist Error Codes
is a classic, robust chain hoist known for its reliability in industrial settings. While "hot" in your query likely refers to a wiring diagram live electrical connection
(the "hot" lead), it could also mean you're looking for a quick-start guide or troubleshooting for a motor that is overheating
Below is a breakdown of the essential technical "text" you would find in a Demag PK2N manual, specifically focusing on the electrical setup and thermal protection. 1. Electrical Connection (The "Hot" Lines)
typically operates on 3-phase AC power. Standard wiring usually involves: L1, L2, L3: The three incoming "hot" phases. Earth/Ground (Green/Yellow). Directional Control:
The pendant switch swaps two phases to change the motor direction (Up/Down). Voltage Note:
Ensure your supply voltage matches the motor plate (e.g., 230V, 400V, or 460V). Incorrect voltage is the #1 cause of "hot" motors or blown fuses. 2. Thermal Protection & "Hot" Motors If your hoist is physically getting , the PK series usually features: Bimetal Switches:
Integrated into the motor windings. If the temperature exceeds safe limits, these switches trip to cut the control circuit. Duty Factor:
The PK2N has a specific duty rating (e.g., 40% or 60% ED). If you exceed the "starts per hour," the motor will overheat. Brake Friction:
If the brake is not releasing fully, the motor will work against the resistance, generating extreme heat. 3. Basic Maintenance Checklist Chain Lubrication:
Use high-pressure grease. A dry chain increases friction and load on the motor. Brake Gap:
Check the air gap (dimension 's') regularly. If it's too wide, the magnet won't pull the brake open, causing the motor to stall and heat up. Gearbox Oil:
Ensure the gearbox has the correct level of Demag-approved gear oil to prevent mechanical overheating. 4. Technical Specifications Summary Demag PK2N Control Voltage Usually 24V or 110V (via transformer) Lifting Speeds Single or Dual (Main and Creep) Friction clutch as overload protection
Demag PK2N (often seen as the Go to product viewer dialog for this item.
model) is a classic industrial electric chain hoist, widely recognized for its robust construction and longevity. While older units are common on the used market, they remain a staple in many industrial environments due to their simple, serviceable design. Demag Cranes Core Specifications
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
: Users and refurbishers highlight that these hoists were built to last, with many units from the 1980s still in "ready to use" condition today. Serviceability
: The design allows for the gearbox and slipping clutch to be relatively maintenance-free for long periods (up to 10 years in modern equivalents like the DC series), and internal components like contactors are easily accessible for inspection. Precision Control
: The two-speed motor allows for both fast movement and extremely precise positioning, which is critical for delicate assembly work. Interchangeability
: The PK series was a pioneer for Demag, and many parts are interchangeable with other Mannesmann Demag components of the same era. Machineseeker Critical Considerations for Used Units
Because many PK2N hoists are decades old, potential buyers should be aware of: Fatigue & Wear If "hot" truly means high-temperature operation (e
: Units exceeding 35–45 years may show fatigue in load-bearing frames. Inspections should look for cracks or motor rotor loosening. Parts Availability
: While they are "absolute workhorses," the availability of original spare parts has decreased over time, which can lead to longer downtimes if a major component fails. Refurbishment Value
: There is a strong market for refurbished units. A complete revision typically includes stripping the frame, replacing all wear parts (bearings, gaskets), and installing new cabling. Demag Cranes Where to Buy You can find used or refurbished Demag PK2N
hoists through several specialized industrial marketplaces and retailers: Industrial Marketplaces : Sites like Machineseeker often list these units starting around $530 to $600 USD Refurbished Specialists : Companies like Lekkerkerker Dairy & Food Equipment offer fully refurbished units with warranties. Secondary Market : Sellers on
frequently have these available, often pulled from working environments and load-tested. lekkerkerkerequipment.com ▷ Used Chain Demag PK2N-F for sale - Machineseeker.com
The Demag PK2N is a popular model of chain hoist (part of the PK series). While I cannot provide a direct PDF download file, I can tell you what the manual covers and where to find it.
What the manual contains:
Where to find the PDF:
The Demag PK2N is a workhorse, but it demands respect for its duty cycle. If your search for the "demag pk2n manual hot" was triggered by a shutdown due to heat, you now know to check voltage, brake rectifiers, and gearbox lubrication first.
Your immediate action plan:
Do not ignore the "hot" warning lights. A single thermal excursion can reduce the motor's insulation life by 50%. Use the manual, run it cool, and your Demag PK2N will outlast the next decade.
Disclaimer: This article is a guide based on common technical data. Always refer to the official Demag manual specific to your serial number before performing electrical work or repairs.
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The Demag PK2N (often designated as PK2N-F for two-speed models) is a classic electric chain hoist known for its reliability in industrial lifting. The "manual" you are looking for typically covers maintenance, spare parts, and technical specifications for units with capacities ranging from 250 kg to 500 kg. Key Technical Specifications
Load Capacity: Standard models handle 250 kg (single fall) or 500 kg (double fall).
Power Supply: Usually operates on 220/380V or 460V, 3-phase at 50/60Hz.
Lifting Speeds: Often features two speeds (e.g., 5/19 FPM), allowing for both rapid movement and precise positioning.
Control: Uses a low-voltage contactor control (often 24V) for operator safety. Maintenance & Operation Highlights
Based on official Demag Operating Instructions, key maintenance points include:
Brake Air Gap: The critical rotor/stator air gap for the PK 2 is typically 0.30 mm.
Lubrication: Reducer components should be soaked in gear oil for one hour before installation to ensure longevity.
Safety Features: Includes emergency stop buttons, slipping clutches to prevent overloading, and limit switches for upper and lower hook positions.
Chain Care: Regular lubrication of the round steel chain is required to prevent "stiff links" and premature wear. Finding Manuals and Parts Demag DKUN Hoist Operating Manual | PDF - Scribd
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