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Many of these devices have strainers on the input (garden hose connection) of the pump. Remove the hose and check and clear debris from strainer. Reconnect hose and turn on supply water. Do NOT start engine / motor. Pop the nozzle from the end of the wand and squeeze water trigger. Hose pressure water (or less) should flow from the wand. Of not, youll have to see if water is leaving the pump by inserting the nozzle (or something that will if it) into the hose connector. If water still does not flow - there is an issue with the pump.
looks like this is a small triplex pump.ensure the pump is acually turning over with the power unit and the love joy coupler is working properly and there is no stripped out key ways ect. was the hose jumping before the loss in presure? this could indicate a washed out in the intake or dischage valve. or debris hung up there in. check the pressure relief valve/unloader valve for proper function may be the pressurised water stream from the hose is by passing .repair /replace as required.
If the pressure unloader is not working correctly and/or the nozzle is partially clogged with debris, the engine will be overtasked. Try lowering the pressure by turning the pressure knob to lowest setting and test. If the engine continues to run, gradually increase the pressure. Try using the washer set to about 75% of rated capacity and use max pressure for stubborn stains. Using any machine at max will shorten the life of components. If lowering pressure does not help, then unloader is faulty or stuck. Try storing the unit with oil in the pump. Remove both hoses and infuse oil into water inlet intill all the water is displaced (let set for day or two). Good luck
This happens when air gets inside the hose. An air bubble of sorts is in the hose and will not build pressure until you blow the air out of the line. Start the pressure washer, turn on the water. pull the trigger on the gun. It will spitter and spatter and come to a trickle. release the trigger on the wand. Pull the trigger again and it will eventually work it self out.
Try removing the high pressure hose from the machine. Then connect the water hose and see if water comes out of the outlet.( you can also try this by putting on the machine for a few seconds). If water comes out of the outlet, then you have a problem in the high pressure hose or the wand and trigger. Check also the lance and nozzel for blockage.
I do not know what kind or model of machine you have, but most machines the water always comes out of the outlet when water is fed to the inlet. In bigger machines this cannot happen because they have a reserve tank.
Can anyone Solve this? My simoniz S2500 gas powered pressure washer has low pressure coming right from the outlet. It used to be high pressure until now.. I think it has something to do with the pump and if so, is there anything I can do to repair this problem? The screen is good; water comes out of the hose good, wand is ok......Just that lower pressure is at the wand even at high settings....It comes in a form of a spray in both modes......