As winter approaches, thermoplastic pumps require special attention to ensure they remain in optimal condition during periods of downtime. Harsh weather conditions, freezing temperatures, and prolonged inactivity can lead to damage or reduced performance. To help safeguard your equipment, we’ve compiled six essential steps and a bonus tip to prepare your pumps for the winter season.
1. Thorough Cleaning and Flushing
Cleaning your pump system before shutdown is crucial. Residual chemicals, debris, or contaminants left in the system can lead to corrosion, clogging, or degradation of components over time. Flush the pump thoroughly using a cleaning agent compatible with thermoplastic materials. This step not only protects the pump but also ensures a clean start when the system is restarted.
2. Drain All Liquids
Once cleaned, it’s essential to drain any remaining liquid from the pump, including internal cavities, hoses, and filters. Freezing temperatures can cause residual fluids to expand, leading to cracks or leaks in the pump’s structure. For pumps handling hazardous substances, ensure proper disposal of drained liquids in line with environmental and safety regulations.
3. Inspect for Wear and Damage
Winter downtime is an excellent opportunity to conduct a comprehensive inspection of your pump’s components. Pay particular attention to seals, gaskets, and O-rings for signs of wear or degradation, as these parts are critical to maintaining a proper seal and preventing leaks. Check bearings and impellers for damage or misalignment. Replacing worn components now can save you from unexpected failures and costly repairs when operations resume.
4. Lubricate Moving Parts
Apply appropriate lubrication to all moving parts, such as bearings, to protect them from rust and ensure smooth operation. However, it’s important to use a lubricant that is compatible with thermoplastic materials, as certain types can cause damage. Avoid over-lubrication, which can attract debris or create additional problems.
5. Protect Against Freezing Temperatures
If possible, store your pump in a temperature-controlled environment during the winter months. For pumps that must remain outdoors, use insulating covers or heat tape to prevent freezing. Exposed components should be adequately weatherproofed to shield them from frost, snow, or extreme weather conditions. Taking these precautions reduces the risk of damage caused by fluctuating temperatures.
6. Schedule Routine Maintenance
Winter downtime is an ideal time to schedule routine maintenance or a professional service check. Preventative maintenance can identify and resolve potential issues before they escalate. Regular servicing also ensures your pump is ready to perform reliably when operations resume.
7. Prepare for Restart
Before restarting the pump after the winter season, run a quick system check. Ensure all components are correctly reassembled, lubricants are refreshed if necessary, and any weatherproofing measures are removed. A smooth restart is the final step in a successful winter downtime strategy.
By following these steps, you can extend the life of your thermoplastic pumps, minimize repair costs, and ensure they’re ready to deliver top performance when you need them most. Preparation and preventative care are the keys to safeguarding your investment during the colder months.
To discuss anything in more detail, contact Andy Bould on 01260 277040