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Pump discharges at lower than usual volume for about 2 min. then shuts off.

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This sounds like there is an inlet restriction of some sort causing a low volume output and it is shutting off to due to this causing it to heat up. As a safety to keep it from burning motor up.I know this is a generic answer. But without knowing how old this pump is and how many hours is on it I have no other solution besides it possibly being the motor brushes dragging and this would cause slow pump to pump slower than usual and also motor to heat up and shut off.

Posted on Jun 28, 2009

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Motor dies out after running for 5 min.let it cool down motor starts then shuts down again after running 5 min


Hi, Mick the following applies to carbureted also fuel injected models and the usual suspects are:
1. Severely discharged or a damaged battery, 9 volts or lower.
2. Faulty alternator/generator and or voltage regulator.
3. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
4. Faulty main circuit breaker or ignition switch, check for loose connections and continuity.
5. Faulty system and or ignition relay, check for continuity.
6. Faulty ignition coil, ignition/electronic module.
7. Faulty CKP, CPS, CMP, MAP, TPS, O2, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Water or dirt in the fuel system, carburetor or filter.
9. . Restricted, blocked or kinked fuel line.
10. Fuel tank empty.
11. The gas cap is not venting properly or fuel tank venting system blocked.
12. A faulty fuel pump, pressure regulator and or fuel injectors.
13. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
14. Needle and seat stuck closed in the float bowl.
For more information about your issue, please visit the websites below. Good luck and have nice a day.
https://www.tradebit.com/filesharing.php/search/0/2007+triumph+bonneville

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;turn coleman hottub on - flashes "pr" for a few min. then it shuts off


Hi,
If your Coleman has Balboa electronics 'PR' is to notify you that it is in priming mode.
It could also be your pressure switch. On most tubs the pressure is mounted on the heater. If this switch is not reading correctly it could shut the spa down to prevent heater overheating.

Sep 18, 2012 | Pool & Spa

1 Answer

May tsurumi submersible pump is overheating.do i need to oil on the plug of the of the pump? Is it ok if increase the discharge diameter? What will be effect of it? Hope u could enligthen me on this...


This is a single phase induction motor. You mentioned it is overheating. You did not mention whether or not you had easily turned the pump by hand. Pumps overheat for several reasons but these are the top 4:
1. The head pressure is too high as in the pump is being used to pump water higher than the head level of the pump. (Lift distance to high)
2. Low utility or generator voltage. Lower than the pump rated input power requirements.
3. Bearing Friction or motor / bearing mis-alignment ( 3. Pump is sitting in debris while pumping and the pump inlet is being blocked by debris. Also... if it sat in clay and the clay dried inside the pump it can restrict water passages to the point that the pump just can not pump enough water to stay cool.

Does it overheat when pumping at 15 feet or less? I note that this is actually a 1/2 Hp pump. The max LIFT distance for most 1/2 Hp Pumps is 23 feet or less using a 1 1/2 in discharge. The lift will be even less with a 2 inch discharge outlet. As for oiling the pump... Most submersibles always have oil above the impeller and it usually does NOT leak out unless the seal between the impeller and the motor stator / aramture has failed letting water into the winding. That plug you mentioned is for checking to see if water is in the winding area. If you pull the plug and get water the seal is bad. Hopefully you can save the winding.

You asked what the effect would be if you went to a larger discharge diameter. This will give you more volume but less head / lift distance.

Thanks for choosing FixYa.
Kelly

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1 Answer

My water pump kicks on every 30 min or so even if there is no water used


When a pump goes on and off there is a water leak somewhere.
There should be a gauge. Let the pump build up pressure and watch the gauge.
The pressure will probably be dropping. This means that water is going somewhere. The leak could be anywhere that you use water, sprinklers, sinks, hose lines. If there is a valve above or near the pump, shut that valve and see if the pressure stops dropping. If the pressure stays up and the pump stops cycling on and off, the leak in in the pressure piping somewhere, you must locate it and repair it.
If the pressure continues to drop even with the discharge valve shut, the water must be leaking back into the well. There is a check valve somewhere on your line between the well and the pump. If this check valve is leaking, pressure will drop and the pump will come on to restore it.

If it is possible to shut off the discharge of the pump, shut that valve and watch the pressure gauge to see if it is dropping.

Dec 12, 2010 | RTO Wayne 1/2 Hp Shallow Well Jet Pump

1 Answer

The high level water alarm intermittently beeps and the pump starts and stops several times before clearing out the water


On the controls to the pump there is a float, or 2 floats that control wheather the pump is on, or off. I don't know wheather this one has one float or 2 so i will give a short explanation for either fix.

Little giant usually has 1 float on a length of cord, or 1 float with a rigid frame that it goes inside, or has a guide rod. No matter which system is employed there is a built in dead band for the interval between when the pump turns on at a high level, and when it shuts off at a low level. If the float is on a rod, or in a cage it needs to be able to move freely. There is a method to control the turn on height, and the turn off height with some little clamps that connect to the switch. So when the liquid level gets high the pump turns on, and then when the liquid level gets to the lower limit the pump automatically shuts off. If these little keepers are right near the top of the float, and right near the bottom of the float then as soon as the pump turns on the liquid level drops just a bit, and the dead band is real small, so it just shuts right off. the liquid flows backward through the pump and then it turns back on, ect... If this is the case move the adjustments that surround the float. Presto.

If it has a little float on a cord then the adjustment for the level needs to be secured to the discharge pipe or something. It has a mercury switch inside the float to turn it on, and probably another to turn it back off when the float goes to a desired level just above the suction at the base of the pump. I would use black zip tie's to hold the cord so that the desired "turn on the pump level", and the propper "turn off the pump level" are what you want. Just hold the cord against the discharge pipe so that the float is above the suction opening to the pump, and the strait up level of the float are what you want.

If it has 2 floats on cords then one of the floats will turn the pump on if both are held upright by the liquid level. This float must be the top float that is mounted on the discharge pipe. If the 2 floats are mounted in the reverse position then the pump will cycle quickly. There will be a nearly nonexisting dead band. Both will be upright but the control circuit will shut the pump off when the top float, which should be on the bottom, lowers even slightly. Use the same method as perscribed above to attach the floats. The one that belongs on the bottom, the one that turns the pump off, should be placed so that the pump will shut off before it tries to pump air. the top float will turn the pump on if it and the lower float are both upright.

Presto.

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1 Answer

Aquaflow pump isn't pumping fully


A common problem here is a clogged impeller. If you open the lid on the pump and reach into the impeller through the hole behind the basket with a small screwdriver or needlenose plier. You may feel soft or spongy materieal inside the unit. Work this in a counter clockwise motion till it loostens then grab with the needlenose and pull out. Repete as nessary, usually one or two times will do. Check your basket for cracks as this is usually the cause of the problem. I hope this helps with the problem, good luck.

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1 Answer

Flotecpump runs for 5 minustes or less and shuts down due to over


Hello,

With a 1-1/2 inch suction and a 2 inch discharge, you have no backpressure, and it's actually beneficial to have a working head. Try pinching the discharge valve to maintain a steady discharge pressure of at least 20-30 psig on the pump case. Tinker with the discharge pressure as required to balance the pump. As a general rule, the suction line is never smaller than the discharge line to prevent cavitation of the pump. A temporary move of pinching the discharge will compensate some, but it is better to increase the size of the suction line, if the pump will handle it. If the rated pump volume is low, you may also be trying to exceed it's capacity, and heat wil result in the motor.
If at all possible, convert the voltage to 220v as this will also make you more effecient and pull half the amps. Most pumps can be wired either way, and usually the diagram for swapping is included or inside the motor housing. Converting is easy.
Best regards, --W/D--

Aug 25, 2009 | Plumbing

1 Answer

Pump spinning but not getting up to speed then shuts off


You have a pressurized system using a pressure tank.This is a case of an air logged pressure tank. Meaning there is more air than water in the pressure tank. The pressure tank must hold 2/3 water and 1/3 air of its total volume. Installed at the tank is the air volume control to take care of this proportion. Should the air volume control malfunction or becomes defective, the air-water ratio is affected. And then,
the pressure tank becomes either air logged or water
logged.
SOLUTION:
1. Shut the power off, and open the discharge line
gate valve to flush the water in the pipe lines.
2. Open the drain plug of the pressure tank to empty
all the water at the pressure tank.
3. Close the drain plug, and put the power on.
4. Start the pump, and set the flow control valve 1/4
open.
5. The pump will normally run.

Send your e-mail for us to know the results, and for
further assistance.


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1 Answer

Installed new 2 speed motor olny low works


IF the filter is clean, then your problem is electrical. First make sure you are not using an extenesion cord. These pumps do not work well with a cord over 6ft long. Then make sure that the pump is on a dedicated outlet. No Microwaves, computers competing for power. Most likely the pump is not able to draw enough power and is shutting off.

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