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Replacing a submersible well pump is not a perplexed task and comparatively simple if you understand the fundamental principle regarding a well system – like the placement of the pump, how the submersible pump operates and how it is installed in a well casing. An modern do it yourselfer with psychological result of perception learning and reasoning of electrical wiring and a good deal of basic plumbing achievements is probably competent of replacing a submersible irrigation pump. This is not a step by step installation guide but rather an overview for a usual understanding to valuate whether to do it yourself or hire a contractor. The savings on the cost of labor, if you do it yourself, will be when it comes to 50 – 60% of the total price of a contractor doing the job. The original factor in resolving whether to try doing it yourself is how deep the well is and do you have a huge sufficient lay down area to layout the pipe in your yard once you start out pulling it out of the casing. If your well is 50′ to 150′ deep, I would commend doing it yourself if you are physically capable to without disruption lift and pull with regards to 40 to 70 pounds of weight and hold it in place for for the duration of the finish remotion of pump to keep from dropping it back into the well. To do this you will need at least one other person to help you pull out the pump and guide the discharge pipe away from the well as you are lifting it out. The well casing in made of steel, iron or PVC pipe normally 3″or 4″ inside diameter and this acts as a sleeve in which the pump housing, discharge pipe and wiring go down to reach the water level within this pipe casing. Attached to the submersible pump is the discharge pipe, ordinarily 1″ to 1- ¼” flexible poly pipe and the electrical wiring which likewise runs into this casing to the depth of submersible pump in the well. The deeper the well, the heavier and more difficult it is to lift out. The weight of the pump assemblage may require a heap of rigging above the well casing to aid lift and hold the pump assemblage in place so it doesn’t slip and drop back down into the well casing as you are pulling it out. Once you commence pulling up of the pump you must proceed the motion until it is to a complete degree out of the casing. If you are doing this manually attach a rope beforehand to the top end of well cap so the other person may having little impact hold on to it and tie it off to something – a tree or fence, in amid lifts if you need to take a break and stop lifting. If you determine to replace the well pump yourself, here are a good deal of tips to remember. Determine that the pump motor is bad by checking circuit breakers, switches and check that power is at the well head. If power is on at well head it is a good sign that the pump is broke. Turn off the power at the breaker panel, tag and lock it out for safety before you start out exposing the well head. Clear the area around the well head, approx 6′ to 8′ diameter, of shrubs and plants so you have sufficient room to expose the pump outlet and electrical connections. Disconnect the discharge pipe and undo the wiring at the junction box near the top of the well. Loosen the bolts on top of the casing cover, this is a squeeze type of cover with a thick rubber ring that elaborates as tightened and contracts as loosened versus the casing interior. Once loose, try to lift the cover, as you lift you will be getting an idea of how heavy the whole assemblage is of which you have to lift out of the well. Now you are ready to lift the pump. Rubber gloves, protective costume or coveralls ought to be worn as the pump piping may have an iron and silt residue on the exterior and may be rather a messy job. Fasten a pull rope around the top of the well head for the other person to hold on and tie off if needed. Some wells may have a leader rope or cable already attached from basi installation rather of relying on the discharge hose clamps and connection. The person who will do the actual pulling ought to stand directly above the well to lift the discharge piping straight out of the casing and the other person must stay with the top end of well cap and guide it to where you lay it down as you pull. Make sure that the person guiding the end has a good grip on the end before you release to get another grip. Continue until pump assemblage is entirely out of the casing and wash off the entire pump end so you read the specification tag of the pump. Collect the selective information from the old pump – brand, model, HP, voltage, phase, 110/220, rpm, 2 or 3 wire configuration, uninterrupted obligation and the pumps outlet size and discharge pipe size. Most residential submersible pumps are either 2 wire or 3 wire configuration. The 2 wire type has 2 – 110v wires along with a case ground to pump housing. The 2 wire pump needs no controls. If it is a 3 wire pump you ought to replace the controls also. Most submersible pump are two piece units bolted together to be one assemblage and comprises of the motor and the pump. You may just replace the motor or pump if you choose, but I would highly suggest that you replace the whole assembly. After you have identified what type and size pump you have you may want to determine to upgrade your system with a higher volume pump of keep the same configuration. For upgrading, you will have to contact a provider or well contractor for recommendations to be compatible with your needs and piping sizes to which your pump feeds. Installing the new pump assembly. Make an itemized list of new parts, controls, fittings or wiring as needed. If the existent wiring and flex pipe are in good condition there is no need to replace them. To install the new pump you will have to splice the electric wires together in a waterproof connection. Consult an electrician or well contractor to specify the power wire splice connector type and technique adequate for the purpose for well applications. Connect the pipe fittings and pipe clamps as directed in the manufacturer’s instructions. Tape the power wires when it comes to each 2′ for the entire length to the flex pipe for ease in reinstallation of pump into casing. Turn the power to the pump on momentarily to check if it is working before inserting assemblage into well. Turn the power breaker off and prepare to insert the pump back into the well again using 2 persons – one at the well opening letting down and feeding the pump down and the other person at the well head cover feeding the slack to you and to aid hold back to prevent the pump from dropping speedily down the casing. |
