Removing a submersible well pump can be a challenging task, but with the right tools, knowledge, and preparation, it can be done safely and effectively. This comprehensive guide will walk you through the step-by-step process of removing a submersible well pump, providing you with the necessary technical details and measurable data points to ensure a successful outcome.
Preparation: Gathering the Right Tools and Equipment
Before you begin the process of removing your submersible well pump, it’s crucial to have the proper tools and equipment on hand. This includes:
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Well Pump Pulling Tool: This specialized tool is designed to grip the pump securely and provide the leverage needed to extract it from the well. The size and type of the pulling tool will depend on the specific dimensions of your submersible pump, which can range from 4 inches to 8 inches in diameter.
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Pipe Wrench: A sturdy pipe wrench, typically 18 inches to 24 inches in length, is essential for loosening the pump from the well pipe.
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Safety Rope: A strong, durable rope, rated for the weight of your submersible pump, is necessary to control the pump’s descent and prevent it from falling back into the well.
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Saw Horses: Sturdy saw horses or a work platform will provide a stable surface to rest the pump on once it’s removed from the well.
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Personal Protective Equipment (PPE): Wear appropriate safety gear, such as gloves, safety glasses, and steel-toed boots, to protect yourself during the removal process.
Locating the Submersible Well Pump
The submersible well pump is typically located several feet below the ground, within the well itself. To access the pump, you’ll need to locate the well and either dig around it or use a well access hatch, if available.
Measure the depth of the well to determine the approximate location of the pump. This information can be found on the well’s construction records or by using a well depth sounder, which can provide an accurate measurement of the well’s depth.
Attaching the Safety Rope
Once you’ve located the pump, it’s essential to attach a safety rope to it. This rope will help you control the pump’s descent and prevent it from falling back into the well, which could cause significant damage or injury.
Measure the length of the rope to ensure it’s long enough to reach the top of the well, with additional length to account for the pump’s weight and the depth of the well. The rope should be rated for a minimum of 1.5 times the weight of the submersible pump, which can range from 30 pounds to 100 pounds or more, depending on the pump’s size and model.
Removing the Submersible Pump
To remove the submersible pump, you’ll need to unscrew it from the well pipe. This can be a challenging task, especially if the pump is heavy and the well pipe is narrow.
Measure the diameter of the well pipe, which can range from 2 inches to 6 inches, to ensure you have the appropriate pipe wrench size. The torque required to loosen the pump can be significant, so you may need to use a specialized well pump pulling tool in addition to the pipe wrench.
Pulling the Pump from the Well
Once the pump is loosened, you can begin pulling it up out of the well. This process can be physically demanding, as the pump and the water in the pipe can be quite heavy.
Measure the weight of the pump and the water in the pipe to determine the total weight you’ll need to lift. This information can be found in the pump’s specifications or by weighing the pump and the water-filled pipe separately. If the weight is too much for one person to handle, enlist the help of an additional person or use a mechanical lifting device, such as a tripod or hoist.
Inspecting the Submersible Pump
Once the pump is out of the well, carefully inspect it for any signs of damage or wear. Measurable details to look for include:
- Condition of the pump motor: Check for any signs of wear, corrosion, or damage to the motor housing and electrical connections.
- Impeller condition: Examine the impeller blades for any cracks, chips, or excessive wear.
- Torque arrestor condition: Inspect the torque arrestor, which is responsible for preventing the pump from spinning, for any damage or wear.
- Electrical connections: Ensure that all electrical connections are in good condition and free of corrosion.
Disassembling the Submersible Pump
If the pump is damaged or worn, you may need to disassemble it to replace parts or perform repairs. Measurable details to consider during the disassembly process include:
- Pump size and type: The size and model of the pump will determine the specific disassembly steps and the replacement parts required.
- Number of wires and connections: Carefully note the number and placement of the electrical wires and connections to ensure proper reassembly.
- Torque arrestor type: Identify the type of torque arrestor used, as this will affect the disassembly and reassembly process.
Replacing the Submersible Pump
To replace the submersible pump, you’ll need to thread it back into the well pipe and connect it to the system. Measurable details to consider during the replacement process include:
- Pump size and type: Ensure that the replacement pump is the correct size and model for your well system.
- Pitless adapter type: The type of pitless adapter used in your well system will determine how the pump is connected to the pipe.
- Pipe direction: Measure the direction of the pipe that feeds into your house to ensure the pump is properly oriented.
By following these detailed steps and considering the measurable data points, you can successfully remove and replace a submersible well pump, ensuring the continued operation of your well system.
Reference:
1. How to Replace a Submersible Well Pump – Instructables
2. HOW TO REPLACE A SUBMERSIBLE WELL PUMP. STEP BY STEP – YouTube
3. Diagnose and Replace a Submersible Well Pump – Instructables
