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How to prime a 425 wagner - Wagner 1/2HPPaint Pump Sprayer

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Remove and Install prime/spray valve Wagner paint crew airless paint sprayer?


Was the unit purchased new or used? The price of a new is about $125-170. This unit is for homeowner occasional use, not for large jobs.Was the unit working on the previous use? If so were the cleaning instructions followed and not shortcut. If paint is failed to be totally removed on cleanup it will dry inside unit.There are very few replacement parts for this unit. If the unit is not working take wrench and try to remove prime/spray valve. You will have to remove knob to access this part.

Apr 18, 2017 | Wagner Air Tools & Compressors

1 Answer

Won't prime


Try to trouble shoot the problem by doing this:
clogged filter(s)
you did not clean paint out of machine properly on last use
the packings are worn and need to be replaced- it wont hold or build pressure- also that sprayer has a max tip size of .15

Feb 18, 2014 | Wagner Tools & Hardware - Others

1 Answer

Won't prime


You either have a stuck ball valve, or a leak in the paint suction

Feb 09, 2014 | Wagner SprayTech Wagner Airless Paint...

1 Answer

Unit won't prime,


YOU HAVE A STUCK INLET BALL
Have the unit in water, pressure relief valve turn the machine on and tap with a hammer at the inlet ball, This frees it up 90 of the time.
Otherwise the machine need to be disassemble

Jan 29, 2014 | Wagner SprayTech Wagner Airless Paint...

1 Answer

Will not prime


Most of the time when a unit will not prime it is because of a stuck inlet ball, I would put the intake in water turn the machine on to bleed. Then tap the machine where the paint comes in. 90% of the time this will get it going. Sometime you can stick a screw driver into the inlet ball and free it up. If this doe not work you need to take the machine apart and cleanor you have worn out packing.

Joe

Jan 23, 2014 | Wagner SprayTech Wagner Airless Paint...

1 Answer

Shoots drips


Most airless spray guns spit a bit when you pull or release the trigger because the paint between the spray tip and the paint valve is under pressure but not enough to atomise the paint. If you increase the pressure you may reduce the spit to a point when you don't notice it. A blocked filter could slow the paint getting through to the tip cause lower pressure.

Jan 03, 2014 | Wagner SprayTech Wagner Airless Paint...

1 Answer

I have a Wagner Procoat That i cannot get to prime?


had the same problem i sprayed wd40 where the suction tube goes and primed three times hope this helps

Aug 27, 2011 | Garden

1 Answer

How to remove the Prime/Spray assembly on the Wagner Paint Crew. The Prime/Spray knob is held on by a retaining clip which I can't figure out how to remove without resorting a hammer and pry bar and risk...


You can unscrew it without removing the plastic part - just use thin vice grips and get a piece of the metal nut, unscrew down (counter clockwise) and it should come off with average pressure. I checked mine, not much to go wrong there, then screwed back in. I have similar problem with pressure, it is likely a worn O ring. Seems to be in the outlet valve as I replaced some of the inlet valve rings and same effect. Research says the outlet valve is the problem if paint comes out of the squeezed nozzel while in Prime mode, which mine does, and is likely not building the pressure as some paint is flowing back through the worn outlet parts.

Aug 06, 2010 | Wagner Power Products 0154842 Medium Spray...

2 Answers

Wagner Paint crew - No pressure


In order of likelyhood:

1. There is an inlet valve where the paint first enters from the hopper. With the machine off, you can poke your finger all the way down the hole. It's spring loaded and will depress abouta quarter inch. If the inlet valve is stuck no paint will pump in PRIME or SPRAY position.
2. In SPRAY position. Motor runs for a few seconds then turns off. This means the pump is working. When you pull the trigger, if you get poor pressure, the problem is in the gun. Unscrew the handle and remove the filter. Clean out everything you can, and replace filter if necessary. Also try turning the spray nozzle 180 degrees and spray to clear if necessary.

there are more things that can go wrong, but these are the most likely.

Jul 08, 2009 | Air Tools & Compressors

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