Siphon Pump

By · Tuesday, December 8th, 2009

Siphon Pump

Like many pool owners know, it can be very frustrating when a pool pump is not working properly. We have briefly summarized the most common problems pump and some tips on how to correct them.

A pump is needed "prepared"

A pool pump is "prepared" when there is a strong flow of water through it.

Because pumps can not "grab" or the air moves, the presence of some air into the system quickly slash pump performance. The pump can even "dry" water does not move at all.

1 – Sucks carry fully custom air and Prime

If you look at the open pool pump at the top (5) and see which is less full of water, the pump is not fully prepared. You'll probably find that the suction is poor and insufficient to run the automatic pool cleaner. Once you have washed the filter again, the important things to look for are:

(1) Air is sucked into the pump – the most common are vacuum pump (6) or at the top of the pump (5). The first thing to do is check these, Lubricate the rings (with a silicone lubricant) and tighten if necessary.

(2) air is being sucked into a else – between the skimmer and pump. A low level of water in the pool can easily allow the air in the siphon in the skimmer box.

May leak other parts of the suction line. One tells the tale sign is often the presence of a small leak or moisture in the soil.

Check any valves gate (s) if any in the suction line – these need servicing. Otherwise, you may have a leak elsewhere in the pipeline. PVC Accessories do not stick properly when installed can take many years to fail.

A blockage in the pump or elsewhere. This can be as simple as a slider or a basket of the pump (8) is full of debris. There may also be blockage in the pipes between the pool skimmer and pump.

If there is obstruction severe and the pump can not get enough water to operate, will be a loud "grinding" noise. This is called "cavitation". " Plumbing blockages usually require professional help with your computer to clear the pipelines.

2 – The pump has become unusually noisy

There are a number of possible causes – first, we must determine whether the noise comes from the pump (toward the front of the unit) or from the electric motor (in back).

A noisy electric motor – the most common cause is worn or corrosion bearings. While it is possible to repair this, most of pool owners start over and replace the whole pump.

A noisy pump – makes a strong chirp. This may indicate a blockage in the line of suction. This is often called "cavitation", where the pump is starved of water and is working against itself. If you can not find a obvious cause, the call may be necessary in a professional to check the suction line.

A pump noise – There is a "chirp" noise. This is usually an indication that something has become entangled in the rotating impeller (3). In some cases, the object can work their way out and the problem of interruptions. Alternatively, may be necessary to remove the part of the pump and inspect inside the pump casing.

3 – water is leaking from the pump

Water leaks can occur in several places. The most common is around the mechanical seal (1) when the electric motor meets the pump.

A number of seals and gaskets in and around the pump (usually present in different plastic moldings are joined to form the complete pump). Leaks in these areas are possible but rare. These losses occur more often in an electric motor that has been placed in the pump and the original seals and gaskets were re-used (rather than replace it).

Whether to repair or replace a pool pump

First, performance issues, such as priming pump is not completely are probably not related to the pump. Pool owners should be careful that they sell a new pump in these situations.

Secondly, serious problems such as leaks or pump noise in general, require that the entire unit be removed, dismantled, inspected, new components installed and reinstalled again at home. There is work that can be done on the site. In practice, the cost of repairing an old pump can be easily more than half the cost of a new unit (especially given our discounted prices on new ones). In these situations, most of the owners of the pool, simply decide to replace new for old.

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