How to Pull a Deep Well Submersible Pump
Extracting a deep well submersible pump is a task that requires careful planning, technical know-how, and safety precautions. Whether you need to replace a malfunctioning pump or perform maintenance, understanding the procedure can make the process much easier and safer. Here’s a step-by-step guide on how to pull a deep well submersible pump.
Gather Your Tools and Equipment
Before you begin, ensure you have all the necessary tools at your disposal. Common tools include a sturdy hoist or crane, a set of wrenches, pliers, a shovel (if needed), and a sturdy rope or retrieval line. Additionally, personal protective equipment (PPE) like gloves, goggles, and a hard hat should be worn to ensure safety throughout the operation.
Turn Off Power and Water Supply
The first step in pulling a deep well submersible pump is to turn off the power supply to the pump. This is crucial to prevent any electrical accidents during the process. After disconnecting the power, turn off the water supply to the well to avoid any flooding or unwanted water flow while you extract the pump.
Remove the Well Cap
Once the power is off, you’ll need to access the pump. This often involves removing the well cap or lid that is situated at the top of the well. Carefully unscrew or unfasten the cap, taking care to keep any debris out of the well shaft.
Disconnect the Pump
Next, locate the pump’s discharge head at the top of the well. This is where the water exits the pump, and it’s typically attached to a pipe that leads to the surface. Disconnect the pipe from the discharge head using your wrenches. In some cases, you may also need to disconnect electrical wires if they’re present, so take care to note their configuration for reinstallation.
Prepare for Lifting
Once the pump is disconnected, it’s time to prepare for lifting. Ensure that the hoist or crane is securely positioned above the well. Attach the retrieval line to the pump's lifting bail or to a suitable point for hoisting. Ensure that the connection is secure to prevent any accidents during the lift.
Pull the Pump Out
With everything in place, slowly and steadily begin to lift the pump out of the well. It is important to maintain a steady pace and avoid jerky movements, as this could damage the pump or the well casing. If the pump encounters any resistance, do not force it. Instead, inspect for any obstructions or kinks in the line.
Inspect and Clean
Once the pump is out, take the time to inspect it for any signs of wear, damage, or blockages. Cleaning the pump can also be beneficial to ensure optimal performance when it is reinstalled. Perform any necessary repairs before reinstallation.
Reinstall the Pump
To reinstall the pump, reverse the steps taken during removal. Carefully lower the pump back into the well, reconnect the discharge pipe, and the electrical connections if applicable. Finally, replace the well cap and restore power to the system.
Conclusion
Pulling a deep well submersible pump can be a challenging task, but with the right tools and procedures, it’s a manageable job for those with the proper training and safety measures. Always prioritize safety and consider consulting a professional if you encounter difficulties during the process.