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I am trying to use the soap...i know i have to use the low pressure nozzle but which nozzle do i attach it to under the machine

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  • smithgirly Jul 14, 2009

    thank you for your advice..the machine was winterized, i will check the screen.



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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: When trigger is engaged under pressure nothing happens.

Make sure all of the water is bleed out of it buy holding trigger down with motor not running until theres is not more bubbles or air that comes out..Make sure where the inlet for waters screen is not plugged..You may have to back flush washer to clean out or to unstick the pressure valve..Hope this helps you and have a great day

I’m happy to assist further over the phone at

Posted on Apr 06, 2009

  • 68 Answers

SOURCE: Will not draw soap solution

Follow the pipe back to the pump and you will find a ball and spring inside.This could well be stuck closed if it has been stored for some time. Oil this part and it should draw soap again.

Posted on Jun 24, 2010

  • 97 Answers

SOURCE: karcher 2.56 keeps pulsing on and off whenever high pressure nozzle is attached. I have tried different nozzles and same thing is happening. when i press the lance without any attachment it works fine

If this PW has never worked properly -- it is possible that the seller sent the wrong pressure nozzles. All pressure washers have nozzles that are matched to the flow-rate and pressure of the machine. If they sent Nozzles that were really supposed to be for a machine of lower flow rate (smaller orifice nozzle) this would cause exactly the problem as you are describing it. This is because the electric motor does not have sufficient horse power to force the xxGPM out the smaller hole, so the motor surges and stalls, repeatedly.

Another possibility: Try a different electrical plug outlet. It is possible that the motor is not able to draw enough current from your plug. Sometimes older house plugs, because of the way they are installed, will not provide a good, solid 15 amp circuit like it should. As the motor comes under a load (i.e., when you install pressure nozzle) it draws more current to feed the work. So try a different plug and be sure it's on one of your circuits that is not loaded with other household items like the refrigerator, microwave oven, etc. The little washer all by itself will pull close to 15 amps, which is the max capacity of older home circuits.

Last, Look for the unloader valve. This is device that allows the water to go into a by-pass loop when the trigger is not pulled. It sounds like the unloader could be out of adjustment. Counter-clockwise will lighten the spring / Clockwise will tighten the spring. Toy with different adjustments -- ccw 1 complete revolution/test for improvement. Repeat. (it should have a plastic handle on top of it that can turn either direction. But look at it first, as there may be a "set" nut holding in one place.)

Posted on Mar 03, 2012

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A "chattering" pressure washer pump can be caused by many things. You could have a bent or damaged inlet line, or the water supply might be too low. Fixing these is simple, but checking on the water supply is critical. Never let the water supply run low for any extended period of time. Other causes of a chattering pump include water that is too hot, you may have air in the pump system or a stuck float valve. A power washer pump that is vibrating, but not chattering could be the result of air in the system or debris stuck in the valves. Catching these pressure washer problems early and knowing what causes them will save you a trip to the repair shop, especially when it comes to the low-water issue.

Troubleshooting Low Nozzle Pressure

Low nozzle pressure is a common complaint generally caused by one of the following:

1. Plugged nozzle tip.
2. Inlet screen plugged.
3. Insufficient flow in gallons per minute (not pressure) to the pump.
4. Unloader valve stuck open due to debris lodged under the check valve ball.
5. Customer use of shutoff-type quick connectors.
6. Plugged hose.

Troubleshooting Pressure Washer Soap Injector

When a soap injector is not working properly, the problem is generally fairly easy to isolate. Check the following:

1. If you have interchangeable tips, make sure the Black, soap tip is installed. Soap injectors will not work when high pressure nozzles are installed.
2. Be sure that the soap injector valve is turned on, and turn selector valve to desired setting.
3. A piece of debris may be caught in the injector valve, injector ball valve, or orifice. Disassemble and clean the injector.
4. If you have an adjustable nozzle, be sure it is in the low pressure position(away from the gun) to draw soap.


Apr 01, 2012 | Garden

1 Answer

Have a troy bilt 220 lb Briggs Stratton Put the clear tube into the gallon of soap, but will not draw. Also, how do I remove the nozzle to attach the low pressure nozzle to apply soap solution?

It won't draw soap unless you have the low pressure nozzle on. It can be replaced by pulling back on the slip collar then pulling out the nozzle. The new nozzle is then put in by again pulling back the slip collar and sliding the new nozzle in, making sure the collar goes all the way back and locks into place.

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What are the steps to use Mc Culloch FHH18A powerwasher? What is the liquids I should use?

Hello awseibel:
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1 Answer

Karcher G 2600 ph

Dear johnny_river,
In general there are many causes why soap is not sucked. In a domestic and various other machines the soap is only sucked in low pressure. So one thing you can try is remove the nozzle or the complete lance from your gun. This will give a low pressure. If you attach a pipe directly to the machine soap inlet, and soap is not sucked, than the soap valve is "stuck closed" with soap. It is important that one must work with fresh water after using soap. This to flash the system from any soap left. So in a few words attach a pipe directly to the nipple at the machine and use low pressure. Important , you do not have to use soap to test....use fresh water. If this works( which it should)...than service the flow control tap or change it altogether.

Apr 09, 2009 | Karcher 2500 PSI Pressure Washer

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