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I press the trigger on my steam booster and the steam will not release, but there is pressure building up in it.. Is this a defect, and does this make this machine danger. How safe is this machine? An

Euroflex

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  • 90 Answers

You better have a working safety release valve or run faster than flying metal schrapnel.

Posted on Jan 22, 2013

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6ya6ya
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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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InMrFixIt
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SOURCE: My 3.99 Karcher pressure cleaner

Hi! robcarroll
Did you purge the air from the pump before starting the motor.
InMrFixIt

Posted on Aug 28, 2008

  • 10 Answers

SOURCE: pressure washer stalls out when wand nozzle is released

common for not starting unless trigger engaged as you are turning the pump as well as engine creating pressure,as for stalling pump has unloader valve which is probably in need of grease(use good silicone grease)this allows water to ciculate when trigger released.

Posted on Apr 20, 2009

  • 92 Answers

SOURCE: Pressure washer lacks pressure initially?

Dear allbusiness9,
This problem is most probably due to a faulty Spill Valve( also called Control Valve). When the gun is released the spill valve is compressed and it either closes a micro switch or just opens from the bottom and keeps the water circulating. All spill valves keep the water circulating from the bottom part. Now when the gun is pulled (opened)...the spill valve extends and closes the bottom part, and thus water goes out of the nozzel. When you work with no nozzel, there is enough water flow to close the bottom part of the spill valve. So when the nozzel is placed back there is no chance that the bottom part leaks water. When the gun is started with the nozzel....the bottom part of a FAULTY spill valve,..will colapse and pressure drops. So to fix the fault you must change the Spill Valve. In some occasions, I also found that suction valves give this problem. A faulty sucktion valve will colapse under high pressure, and lets water pass the other way round.
But in my opinion and experience, your problem is in the Spill Valve.
Regards,
Fulltech.

Posted on Apr 23, 2009

  • 174 Answers

SOURCE: Lack of pressure after releasing the trigger on the wand

Hello awcockerill:
This sounds like the bypass (unloader) valve is sticking. Here is a diagram of your machine's pump. On page 2.4 see part #1. The top of this assembly is a black plastic cover. Remove all of assembly # 1 carefully. Under that is part #8. This is the bypass valve. You need to pull this out, check that the o-rings are not bent, worn or damaged, then lube it good with a VERY VERY good waterproof grease. Re-assemble it and all should be well. The part numbers are on the diagram but where to get them depends on were you live. Karcher web site may give you a number to call. Good luck.

Posted on Aug 25, 2009

  • 8 Answers

SOURCE: let go of wand trigger pressure will not come back

spill valve is stuck and needs to be cleaned and greased common problem....also check all connections for blockage in line

Posted on Jul 25, 2010

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How do I use a turbo steamer 220 portable?


if your talking about a 220 volt you will have to have a 220 plug in, otherwise most are 110 volt, fill with distilled water, apply appropriate pad, turn on machine and wait for the indicator lite to tell you its ready and go. i recomend a medium pace to let the steam do its work.

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the burner should fire (kick in) when the trigger is pulled,and switch off when you release the trigger.

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Let go of wand trigger pressure will not come back


spill valve is stuck and needs to be cleaned and greased common problem....also check all connections for blockage in line

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Loud repeating noise until the water trigger is pressed


Check the pressure washer for leaks. That sound is probably the unloader valve recycling as the machine slowly looses pressure and needs to build it up again to max pressure.

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Polti steam cleaner


It should go just below the red providing steam isn,t escaping from the cap otherwise you won,t get the pressure build up to enable it to come out when you pull the trigger

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Powermate pressure washer Model PW0872400


pressure washers has this pressure switches where in as you press on the trigger, the washer works and if you release it, the pressure would build up high and it would trip this switch to turn off the motor or deflect the water to the by pass hose ( if the motor is not stopping) then as you press again the trigger, water should come out of the gun again but would not,

i have encountered the problem is in the pressure switch, even the pressure went down, sometimes it wont close the contact then the motor wont run ,

if the motor is continously running, then the trigger switch is the problem, the pressure excerted on the switch is so high that even if you press it , it won't open up to release the water.

what i can suggest is to tie the trigger in the gun so that it is always pressed and then just unplug the unit if you want to stop using it. it is an inconvenience but it will work.

or, open the gun and see if you can figure out why pressing the trigger would not open the switch.

another option is you can lower the pressure of the washer if it has an adjustable pessure controller. by lowering the pressure might open the switch when ever you press the trigger.

i hopw i was able to fix...

good luck,

drcool

Aug 21, 2008 | Coleman (100076) Compact Refrigerator

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