ater on and then getting all the air out by using the nozzle without connecting the washer to the electical outlet. This is an electric 1700psi pressure washer made by Black & Decker.
Any ideas?
1700 PSI Electric Pressure Washer

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Water leaking from a loose connection can cause the unit to cycle on and off. Verify if the pressure hose has an O-ring at the connection. If missing, this will also cause the unit to cycle on and off. While the unit is running look for any water leaks that may cause the unit to turn back on.
If your washing machine won`t start and just clicks, there may be debris in the washer drain. Check the drain to see if there`s any debris (particularly large items, like coins) that may be stuck inside.
Not enough water is running through the pump system

Your check valve may have failed, or it`s been installed incorrectly. If neither of those are the cause, your pump may simply be air bound. Or, it might be bound by something that`s been caught in the impeller. A sight inspection can give you the answer.

Improper inlet conditions are one of the most common reason pumps fail to produce their expect pressure. Inlet issues may also cause ongoing reliability problems. One culprit is air entrainment or lack of prime. It is important to make sure that system is designed so that liquid floods the pump to prime it.
Some of the most common faults that will make your washer stop mid cycle include thermostat failure, problems filling up with water for the rinse cycle, or even pump problems that prevent your washer from draining. One thing that you can check yourself is the lid switch.
The Fuse. If the pressure washer does not start, then the first thing to check is the fuse in the plug. The reading you`re looking for is the same as it would be when connecting the two probes of the multimeter together (as you can see in the example of this video, this fuse is actually fine).
The damage may not always be instantaneous, but the more you start your pressure washer without water, the more you risk ruining your machine. Take note that if either the pump or the motor fails, you won`t be able to use your pressure washer.
Explanation: Electric pumps generate a lot of heat on their own, depending on design and use, excessive heat is by far the most common reason pumps fail.
If your switch won`t turn on, this could be a sign your tank pressure is above your switch`s cut-in pressure. Try running some water elsewhere in the building to reduce pressure below the cut-in level. You can also try gently tapping on the pressure gauge, the switch, and the tank.
All pressure pumps have an inlet and an outlet, and sensing devices, usually a pressure switch or flow control, that helps with maintaining the correct amount of pressure. For more control around the cut-off pressure etc. a pump pressure switch can be installed.
In summary, the wattage of the pump, the speed of the motor, and the structure of the pump can ultimately affect the head (the pressure) of a pump.
Water leaks and inconsistent behavior are also signs of a potential failure in the near future. González: The typical signal when there is an unloader malfunction is a reduction of flow through the nozzle, which results in pressure loss. Dean: Typical symptom of an unloader failure is a sudden smooth pressure loss.
When an unloader valve gets stuck closed, the result is often a stalling of the engine and leaking of the spray tip. This occurs because the unloader valve cannot release the pressure as it should, even when the trigger is depressed.
Reset your washing machine

There really isn`t a way to reset the washing machine. What you can do instead is power cycle it: Unplug it (or turn off power at the circuit breaker), wait some time for the electrical charge to clear out of the washer (usually 1 to 5 minutes at most), and then power it up again.

If a washer stops mid-cycle, it could be because the pump or the motor that runs it has failed. When this happens, it cannot remove the water efficiently, pump water in, and thus the sensors won`t allow it to move to the next cycle.
If the drum stops spinning mid-cycle, try stopping the machine, draining the water and rearranging the laundry. You might be using too much detergent or an inappropriate type for your appliance. In this case, your washing machine will stop the spinning cycle and try to absorb the excess foam in its drum.
Replace leaking, punctured or rusted hoses. Clean your drain pump every three months to avoid clogging. You might be using more detergent than necessary. In this case, your washing machine will stop and try to absorb the excess foam in its drum.
A very common cause of a humming machine is a jammed up pump. The pump might be trying to rotate, but something is caught in it. In most cases, and probably in all cases, a piece of garment is the cause, unless you don`t use it to wash clothes. You will have to disassemble your machine to remove it.
Inspect the fuse if it is blown or not. Replace the blown fuse with a new one and test the device again. Seek Professional Help: If your pressure washer emits a burning smell, the internal parts of it may have been damaged. In this case, you need a professional to repair it.
Clogged carburetors or air filters can cause a pressure washer not to start. If your pressure washer won`t start, you can also check for a clogged carburetor or air filter.
Check the seals, packings, and O-rings for wear. These can easily be replaced, saving you the cost of a new pump. However, major leaks such as the ones caused by cracked or damaged plungers, can lead to pump failures. Plungers can be repaired or replaced, but the cost should be considered.
The pressure washer hose will fill with water, so it is important to purge the system of excess air before starting the unit. Simply squeeze the trigger on the gun and the air will release.
Water pressure faces one end of the piston, and the spring opposes from the dry end. The dry end of the piston also operates the electric switch. When there is little or no pressure in the line, the spring forces the piston down (toward the water line), and the electric switch connected to the piston is pulled closed.

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No pressure Pump reassembly. I purchased a new pump and installed it. Got machine back together and I’m not getting any pressure. What would be the signs if I don’t have the shaft key in properly? Or any other suggestions?
Water comes out of nozzle with pressure for a quick second then no pressure, just water. This is a brand new pump so was curious if I installed it wrong. Wondering before taking it apart again.
ANSWER : No pressure would be a sign that the key was not in properly.

Power waher was working fine nad than preassure stopped and water is coming out of bottom no pressure in gun
ANSWER : Sounds like something busted or whether a part or a hose on the inside busted take apart and see what it might be if it is a part that can be replaced or jb weld it may still can be used or if recently bought return it

Oil appears to have come out of the oil filler cap. Is this a sign of overfilling the oil, or something else?
ANSWER : Id definitley say its over filled. try checking the dipstick

Couple of guys tried to help me on this, perhaps you guys could come back. I forgot to mention there is a pressure tank bladder type on the discharge side. Could the air in this tank be messing with the prime. I checked the intake. It has water in it after bleeding air from the discharge system where before it was dry before purging air. I think there is air in the system and wonder if it is coming from the pressure tank?. i open up one of the discharge valves and a lot of air comes out. Should I put a valve on the pressure tank to take it off line until I get water from the well?

Mar 12, 2010 – Could it be the check valve? I took it off and the flap appears to be working correctly. This well has been here a long time. Never given me any problems. I do have galvenized couplers on the discharge and intake sides. Old. Could these be leaking even though they show no sign of water? The discharge is able to hold 30 pounds easily overnight. I do not hear any vacuum in the intake when I take it off. Could the pipe to the well have a leak? I know I would have to insert a sleeve but I do not want to go through the hassle if I do not have to. I had put on a brand new pump from the hardware store that did the same thing so I think that would elliminate the pump as being the problem.
I disconnected it for the winter and rehooked it up. The galvanized couplers on the discharge and pump side are old but do not appear to be leakeing as I taped them well. The check valve seems to be functioning well as I took it off and the flap works correctly. The well is not pulling water. there does not appear to be a vacuum on the check vale when I losen it. could the check valve be bad? I am aware I might have to resleeve the well, but do not want to hassle with this if I do not have to. I want to eliminate everything else first. i put another brand new pump on it to see if it was that. That partiuclar pump which was the same thng did not work either.
I took the pump nose off and looked at it. The one way valve appears to be working fine. The impeller is working fine also evidenced by when I turn it on witht the discharge cap off, water shoots out. When I open one of the discharge valves and turn it on, the pressure drops to 10lbs. At this point the prime water has moved through the pipe and and the pump does not soound like it has any water in it. I pull the cap off and have to “reprime it again.” It again goes back to the pressure gauage rapidly fluctuating while pump on. I disconnect pump on intake side I hear no vacuum. The guage is on the discharge side. The seals on the pump nose do not look frayed or damaged. The pump is not leaking water in any of the joints. The pipes on discharge and well side do not appear to be leaking.

ANSWER : My friend, please boil your question down. Your title has to do with riding mowers but the leaking, bladder, impeller, air bubbles, pressure tank, check valve comments seem to be migrating toward a pump of some kind – well? spa? pool? irrigation?

Briefly, any system that involves a water source, a water moving device, water storage device and ultimate useage is subject to leaks … into the system and out of the system. If this is a well and you have air in your system, your pump may be sucking air at the well or any loose connection between the tip of the pipe and the inlet to the pump. Your bladder could have failed but from what I can get from your comments, this is not the case. On the pressure side, neither air nor water will leak in … only out.

Please recheck all connections. Make sure your check valve is installed correctly and not leaking. The check valve assists the foot valve, which may have failed.

I am more inclined to think your well may be at the end of its useful life. To prove or disprove, you could have a plumber put a vacuum gage on your pump. He or she can answer this question is about 90 seconds based on this test. Expect to pay for one hour of time, which will be less than the time you have already invested in your project.

What oil do i use in the pump? The oil is milky and needs changing.
ANSWER : Well you can use direct recommended from Ace Hardware see link.

http://www.acehardware.com/product/index.jsp?productId=1340266

They recommend 250 hours, but i’d change more often, like you said when it’s milky. If it begins to get water in the oil sooner, that indicates your piston to crankcase seal is beginning to leak.

Has no pressure, builds up when not holding trigger on gun, but when i press trigger shoots of with pressure the nothing just water comes out.
ANSWER : Bad pump

I have a 1/2 horse wayne shallow well pump. At times the water in the house slows to a trickel. This will happen for about 40-120 seconds then the pump seems to kick on and the pressure is restored. I have replaced the high low switch and the problem persists. Please let me know any thoughts on the problem. Thank You
ANSWER : Check air in your water tank should be less than you’re cut in pressure..

Need help in getting Honda engine on NorthStar pressure washer to run.
ANSWER : Could be low water pressure I have found.Also, I purchased a can of “stuff” at Lowes today which allows you to circulate a liquid substance which lubricates the pressure pump….the pump could be frozen up…I have a rotating nozzle which I bought…and it had frozen up…this stuff works