Having problems with your Dewalt DPD3100 Gas Pressure Washer ?

My pressure washer doesn't suck the chemical through the chemical valve

\015 My pressure washer doesn't suck the chemical through the chemical valve\015

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Repair Help & Product Troubleshooting for Dewalt DPD3100 Gas Pressure Washer

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My pressure washer doesn't suck the chemical through the chemical valve


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I recently purchased a northstar 4000 psi pressure washer. I had the same series pressure washer for the past 6 years and used a downstream chemical unloader quick connect to pull chemical. I attached it to the pressure washer and it is not pulling. I havent modified anything and I dont want to pull chemical through my machine.


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Clean and unloader valve on Karcher hd3500 pressure washer -intermittent pressure on and off. Cleaned inlet screen. Think unloader valve is is under pressure knob? Will cleaning help?


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I have a G2500VH pressure washer that has started to pulse when the trigger is squeezed. This happens if I use the 0,25, and 40 degree nozzles BUT if I use the one for low pressure(detergent use) it will hold pressure fine. I have changed the unloader valve, checked all the valves and seals ad they seem to be fine. What could be the problem?


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My pressure washer leaks water out the back form some kind of valve that has a hole in it. the pressure washer will flow pressure but not as much as it did.


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My Karcher 4000 SHR Pressure Washer pressure pulses when operating. I have checked with Karcher Technical Support and all their trouble shooting procedures except checking the unloading valve. Where is this valve, how do I get to it and how do I lubricate it?


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It will not take the chemical/soap in the pressure washer? I have checked both ends on the chemical hose and both seemed to fit tight on recievers. Then I checked and did not see where it was pulling air in the hose to keep it from pulling from chemical bottle. This is a brand new washer. Am I doing something wrong?


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Frigidaire built in dishwasher model PLD2855RFC1. Have to wash dishes pretty much spotless prior to using dishwaser. Glasses come out with what appears to be soap residue regardless if powder or liquid. Did not use a gauge but water pressure in rest of house is good, recently replaced water heater, pressure regulator and just replaced the dish washer water source valve. Washer is about 18 months old, has never worked really well.


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