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Winter Equipment Maintenance Guide

Important Safety Notice for Allwin’s New and Existing Customers

As winter sets in, low temperatures often lead to an increase in equipment failures and safety hazards. To ensure your equipment continues to operate efficiently during the cold season, Allwin has prepared a Winter Equipment Maintenance Guide. We hope this guide will help you better cope with the cold weather, prevent equipment failures, and ensure the safe and efficient operation of your machinery.

 

  1. Follow the Operation Manual to Ensure Safe Equipment Operation

In cold environments, it is crucial to strictly follow the operation manual for your equipment. The manual provides detailed information on the device’s working temperature range, operating protocols, and maintenance requirements to ensure optimal performance. Specifically, in lower temperatures, make sure to check the temperature control requirements and precautions outlined in the manual before using the equipment.

  1. Protect the Cooling System to Prevent Equipment Damage

The cooling system is vital to the smooth operation of your machinery. When operating equipment in winter, be sure not to shut off the cooling water system. Closing it can cause the water inside the equipment to freeze, leading to potential damage or failure of components.
Cooling Water System Protection Measures:
• Ensure the cooling water circulates normally and is not affected by low temperatures.
• Do not turn off the cooling water system during equipment downtime. The cooling water helps maintain the equipment at an appropriate operating temperature, preventing damage from excessively low temperatures.
• Regularly check the cooling water pipes and radiators, cleaning off any ice or debris to keep them clear.

  1. Regular Inspections to Ensure Equipment Integrity

In cold conditions, the equipment’s seals and lubrication system are particularly important. Regular checks are essential to prevent faults.
Inspection Checklist:

  1. Increase the frequency of inspections in low temperatures, focusing on the integrity of seals, the flow of lubricating oil, and the condition of mechanical seals.
  2. Regularly check the lubrication system to ensure that lubricating oil is not thickened by the cold, which could impair proper lubrication.
  3. Clean off any water, oil, or dust on the surface of the equipment to avoid ice buildup that could affect performance.
  4. Electrical System Maintenance to Prevent Cold-Weather Damage

Cold weather can cause cables and plugs in the electrical system to become brittle or crack. Electrical faults can lead to equipment downtime or damage.
Electrical System Protection Measures:

  1. Regularly check the integrity of cables, plugs, and electrical connectors to ensure they are not affected by cold temperatures. Use low-temperature-resistant cables to prevent them from hardening or breaking in the cold.
  2. Pay particular attention to the waterproofing of electrical connections to prevent rain, snow, or dew from causing corrosion or freezing.
  3. In extremely cold conditions, consider insulating the electrical system to reduce the direct impact of low temperatures.
  4. Mechanical Seal System Maintenance to Prevent Freezing

The mechanical seal system is a critical sealing component of the equipment. Cold weather may cause the sealant to freeze, compromising the seal’s effectiveness. To avoid this, be sure to use a sealant suitable for winter conditions.
Sealant Selection Recommendations:
• Choose a sealant with a freezing point lower than the ambient temperature to ensure it remains fluid in low temperatures.
• If the equipment will be idle for an extended period, completely drain the sealant and replace it with a winter-appropriate fluid.
• If in doubt, consult the equipment manufacturer to ensure the correct sealant is used.

  1. Drainage Measures for Long-Term Equipment Shutdown to Prevent Freezing

If your equipment will be unused for an extended period during the winter, it is essential to carry out thorough drainage procedures. Failure to drain the cooling water and sealant can lead to freezing and potential damage to the equipment.
Drainage Procedures During Shutdown:

  1. During prolonged downtime, drain all cooling water, sealant, and materials from the equipment, ensuring it is in a “no water, no material, no pressure” state.
  2. Always drain the cooling water during shutdown to prevent pipe breakage due to freezing.
  3. Real-life Case:A customer failed to drain the cooling water, resulting in ice forming in the drum jacket, which ultimately caused the drum to crack.
  4. Before resuming operations, it is recommended to run a diluted material circulation for at least 10 minutes, starting from when the discharge begins. After cleaning, feed materials into the equipment for normal production, ensuring smooth operation.
  5. Friendly Reminder: Regular Maintenance and Equipment Protection

The impact of winter temperatures on equipment should not be underestimated. Conducting regular checks and maintenance is crucial. Before using the equipment, we suggest a thorough inspection to ensure no part of the system has been negatively impacted by the cold weather. Providing the right working environment and maintenance measures will not only extend the lifespan of your equipment but also prevent production interruptions caused by equipment failure.

 

Together, Safeguarding Equipment Safety and Efficiency
Winter equipment maintenance is not just about protecting your machines; it’s key to ensuring continued production efficiency and safety. Allwin is committed to working with you to navigate the cold season, ensuring your equipment continues to operate safely, steadily, and efficiently despite low temperatures. If you have any questions or need further technical support, feel free to contact Allwin. We are here to assist you!

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