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Old 07-10-2012, 08:00 PM   #1
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Pressure washer no pressure: and deadly WAND disconnect


I meant "and deadly wand disconnect" in title ;^)

Excell vr2500 pressure washer with Devilbiss A01792 pump here: http://www.ppe-pressure-washer-parts...ent-parts-pump

Engine starts fine and water come sout nozzle fine but no high pressure. At least as of today: New symptom/clue now.

I had cleaned the unloader valve as that seems to be a common issue. Mine is this one: http://www.allpartsinc.com/ProductDesc.aspx?code=A03928&type=0&eq=&desc=A0392 8---UNLOADER-REPAIR-KIT-WITH-11MM-SEAT-FOR--OIL-FREE-EXCELL-STRAP-SERIES-PUMPS--

After I fired it up and still got no pressure I was going to put it back in garage. But I couldnt get the pressure want to disconnect easily from the
high pressure hookup.. Had to use a pair of channel locks to get it off., Even toward end of threads when I should have been able to turn by hand
still needed channel locks. Finally when it came free there was a loud pop and the hose flew off - almost taking my head off.

Obviously A LOT of pressure built up there that wasnt able to dissipate that I hope is a new clue.

Thoughts? Stil could be unloader?

Last edited by a_gunslinger; 07-10-2012 at 08:16 PM.
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Old 07-10-2012, 08:08 PM   #2
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Pressure washer no pressure: and deadly WAND disconnect


I would try disconnecting the male coupler from the wand and plug it into the female fitting. Have someone hold the hose with both hands and point it in a safe direction and start up the engine. It will only take a few secornd to see if the problums in the female coupler.
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Old 07-10-2012, 10:56 PM   #3
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Pressure washer no pressure: and deadly WAND disconnect


Fixed that wand problem--Mr. Olivander did the magic ---
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Old 07-11-2012, 09:45 AM   #4
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Pressure washer no pressure: and deadly WAND disconnect


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Originally Posted by oh'mike View Post
Fixed that wand problem-- ---

Thanks for the replies - will report back.

Whats a "Mr. Olivander did the magic"?
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Old 07-12-2012, 07:47 PM   #5
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Pressure washer no pressure: and deadly WAND disconnect


UPDATE. Thanks gentlemen.



I disconnected high pressure hose and wand leaving just hose/input/water attached. Water came out fine the high pressure outlet. With engine on it shot out a lot farther and faster. Not SUPER far or fast though.



Then reattached the wand. Sprays water, when trigger pulled suddeen brief slight increase in pressure then right back to no pressure. When trigger pulled the engine also runs higher.



Took apart each piece of the wand/nozzles one at a time to make sure water coming out thru all want parts and it does.



Back to the unloader valve?
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Old 07-12-2012, 08:02 PM   #6
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Pressure washer no pressure: and deadly WAND disconnect


It's not the wand---the pump or valves is the problem---I know paint pumps but not pressure washers--but the principle is the same---

Olivander is the wand maker in Harry Potters story---Sorry,not many adults have read that story---
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Old 07-21-2012, 12:06 PM   #7
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Pressure washer no pressure: and deadly WAND disconnect


Clean the water inlet screen. (In the connector where the garden hose attaches to the pressure washer.)
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