PML 6 Lifting Magnet Troubleshooting Guide

Hebei Dawei Hoisting Machinery presents this comprehensive troubleshooting guide for our PML 6 lifting magnet, PML 300 magnetic lifter, and PML 1000 lifting magnet series. As an industry leader with 38+ years of experience, we provide expert solutions to ensure optimal performance of your magnetic lifting equipment.

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Common Issues with PML Lifting Magnets

Reduced lifting capacity - Often caused by improper contact with workpiece or worn contact surfaces

Difficulty releasing loads - Typically due to residual magnetism or surface contamination

Handle operation problems - May indicate mechanical wear in the lever mechanism

Temperature-related issues - Performance degradation when exceeding 80°C operating limit

Structural concerns - Visible cracks or deformation from impact damage

Troubleshooting PML 6 Lifting Magnet

• Inspect contact surfaces- Clean any dirt, paint, or rust preventing full contact
• Verify load dimensions - Ensure workpiece doesn't exceed 3m length (use multiple PML 300 magnetic lifter units if needed)
• Check handle mechanism - Lubricate pivot points if movement feels stiff
• Test safety factor - Conduct regular load tests to confirm 3x safety margin
• Monitor temperature - Avoid prolonged use in high-temperature environments

PML 300 Magnetic Lifter Maintenance

• Monthly inspections - Check for cracks in the U-shaped groove design
• Biannual load testing - Required every two years per safety standards
• Surface care - Remove metal particles from contact surfaces after each use
• Storage precautions - Store with handle in "off" position to preserve magnetism
• Visual indicators - Watch for color changes indicating overheating damage

PML 1000 Lifting Magnet Safety Checks

• Pre-operation inspection- Verify dual magnetic circuit functionality
• Load verification -Never exceed rated capacity (use two PML 1000 lifting magnet units for heavier loads)
• Work area safety - Maintain clear zone beneath lifted materials
• Operator training - Ensure proper handling techniques are followed
• Environmental factors- Keep away from strong alternating magnetic fields

Preventative Measures for All PML Models

• Regular cleaning - Remove all debris from contact surfaces weekly
• Proper storage - Keep in dry environment to prevent corrosion
• Handle care - Avoid excessive force when operating lever mechanism
• Load distribution - Center weight properly on lifting surface
• Temperature monitoring -Never exceed 80°C maximum operating temperature

PML 300 Magnetic Lifter FAQS 

• Q：How does the PML 300 Magnetic Lifter compare to the PML 6 Lifting Magnet in terms of load capacity and industrial applications?

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  A： The PML 300 Magnetic Lifter boasts a significantly higher load capacity (300 KGS) compared to the PML 6 Lifting Magnet (typically 6 KGS), making it suitable for medium-duty industrial tasks like lifting steel plates or machinery parts in factories and warehouses. While the PML 6 is ideal for lightweight DIY projects or small-scale repairs, the PML 300 targets professional settings where heavier materials need safe, efficient handling without manual strain.
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• Q：What safety features should operators prioritize when using the PML 1000 Lifting Magnet versus the PML 300 Magnetic Lifter?

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  A： Both require strict adherence to load limits, but the PML 1000 Lifting Magnet (1000 KGS capacity) demands additional precautions due to its heavy-duty use. Operators must ensure the magnetic surface is clean and free of debris to maintain full adhesion, use anti-slip gloves for better grip, and conduct regular inspections for magnetic decay. Unlike the PML 300, the PML 1000 may also require teamwork or mechanical assistance for positioning, reducing the risk of overexertion or misalignment.
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• Q：In what scenarios would a workshop prefer the PML 6 Lifting Magnet over the PML 300 Magnetic Lifter for daily tasks?

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  A： The PML 6 Lifting Magnet excels in low-load, precision tasks such as lifting small metal tools, components, or thin sheets in automotive repair shops or hobbyist workshops. Its compact, lightweight design allows for one-handed operation and easy storage, making it cost-effective for frequent, light-duty use. The PML 300, the other hand, is overkill for such tasks and better suited for heavier materials like medium-sized steel beams or machinery components.
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• Q：How do maintenance requirements differ between the PML 1000 Lifting Magnet and the PML 300 Magnetic Lifter?

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  A： The PML 1000 Lifting Magnet, due to its higher exposure to industrial environments, requires more frequent maintenance, such as checking for corrosion on the magnetic plates and ensuring the locking mechanism operates smoothly. The PML 300 Magnetic Lifter, while still needing regular cleaning and function tests, may have simpler upkeep in less harsh settings. Both should be stored in dry environments, but the PML 1000’s components may degrade faster in high-moisture or dusty conditions, necessitating lubrication and rust prevention treatments.
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• Q：Can the PML 300 Magnetic Lifter and PML 1000 Lifting Magnet be used for non-ferromagnetic materials, and what alternatives exist in such cases?

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  A： Neither the PML 300 Magnetic Lifter nor the PML 1000 Lifting Magnet can lift non-ferromagnetic materials (e.g., aluminum, copper) since their magnetic force relies on iron-based metals. For such materials, workshops should use vacuum lifters or mechanical clamps. The PML 6 Lifting Magnet, similarly, is limited to ferrous metals. It’s crucial to verify material composition before use to avoid damage or failed lifts, especially in mixed-material environments like recycling centers or diverse manufacturing lines.

Welcome to Dawei Hoisting ! Since 1985, we’ve been innovating lifting solutions – permanent magnet lifters, gantry cranes & more – for global industries. Safe, reliable, efficient. Lift smarter with us.