Maxus Prosumer MX5223 Pressure Washer
The hose going to the soap-intake has probably fell off and the ball and spring that should be inside the intake has fallen out.. Find them or buy new. I have the exact same problem.. :-/
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A pump seal normally needs fluids to lubricate the materials around shaft. If there are no fluids available to lubricate, the seal runs dry which causes extra friction and heat. The seal will burn or melt and become damaged, which causes fluid leakage due to the pressure.
Leaking or residue from the front of the engine, overheating, and whining or squealing noises from the engine can indicate a bad water pump.
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Prime failure is either mechanical wear in the pump or an air leak in the suction line. It is usually easier to look for air leaks in the suction prior to disassembling the pump to look for trouble. A clogged foot valve, a clogged impeller, clogged inlet screens, etc.
Line leads discoloring can mean many things: Line voltage may be dropping too much and/or the line leads undersized. The motor may be beginning to fail causing an increase in amp draw. The pump may be overloaded but that is unlikely.
As you narrow down the possibilities please add comments to this post if you need additional guidance.
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.
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.