Pressure Washer Spill Valve

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  #1  
Old 01-23-08, 10:55 AM
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Pressure Washer Spill Valve

I have a Karcher G2400HB Pressure Washer with what appears to be a sticky spill valve. The symptom is: it takes up to a minute from the time the lance is triggered to the time it goes to the high pressure mode. In attempting to remove the spill valve, I can grab it's top with a long nose vice-grip and rotate it but can not pull it up and out. Sure would appreciate suggestions on how I might proceed.

Thanks,

Derff
 
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  #2  
Old 01-23-08, 08:56 PM
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Without looking at it, I'd just say it has some mineral deposits built up around it and I'd suggest spraying some PBlaster at it and work it up and down until you're able to get it out.
 
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Old 01-25-08, 01:59 PM
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Cheese, what is PBlaster, what are alternitives? Vinegar? As long as there is nothing mechanical holding it, I will also try additional force.

Also, what is "Thread Subscription"? I can't find any info about it.

Thanks,

Fred
 
  #4  
Old 01-25-08, 03:02 PM
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PBlaster

PBlaster is WD-40 on steriods, super stuff.
thanks,
 
  #5  
Old 01-25-08, 08:14 PM
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PBlaster is a good penetrating oil found at most auto parts stores and department stores.

You can subscribe to a thread, such as this, to keep track of it if you click on "subscribe to this thread". Then it can be viewed in thread subscriptions. I used to use it, but don't anymore.
 
  #6  
Old 01-29-08, 03:18 PM
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OK. I was able to pull the spill valve out. There is a white deposit on the valve and in the cylinder from where I pulled the valve. I plan to soak the cylinder and spill valve in vinegar for awhile then reinstall spill valve and flush. Sound like a good plan?

Fred
 
  #7  
Old 01-29-08, 10:00 PM
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The vinegar should help. If there's a lot of crud, go to a sporting goods retailer and get a gun bore brush closest to the size of the bore for the unloader valve. It will clean it out well. During re-assembly, I usually use vaseline on the moving parts and o-rings. It seems to do better than grease for that application.
 
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