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I have a wagner 437 paint sprayer that "almost primes" was sitting for three years and I am the new owner. Is there a manual or do you know what the issue might be?

Posted by Anonymous on

6 Suggested Answers

  • 2 Answers

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: Need an owners manual for Wagner lumberjack

This sounds like investing in a dead horse. Please look into a modern equivalent--they are not terribly expensive and deliver more horsepower with less weight. Good luck!

Posted on Jun 23, 2010

  • 700 Answers

SOURCE: I have a wagner airless

Yes, yo can repair it. there is compound problem with the unit. Please use this advice for future to save yourself time and money.

Before you store any painting equipment for longer than few days:

1. Strip equipment to base pieces,
2. Clean them with paint stripper
3. Wash them in water and then dry them through
4. Wash them in solvent, dry them, put vaseline on rubbing parts
5. Store in dust protecting rags or bags

You just used your gun without cleaning it, that was part of the problem, gqasket on the bottom of the piston was weakened by paint and two years of storage, you did not strain paint, you just used it directly from the can. chunky bit from the can (there are always bits forming around the toip and sides of the can) clogged piston, giving impression that there is no paint, you incresed the pressure and gasket give up on you...

Just follow advice, clean the gun, put it to pieces, find which gasket (I suspected that this one will be from the bottom of the piston), most of hardware stores have spares for these guns, buy exactly same dimension, put gun back together and this should solve your problem.

I do that sort of the "surgery" on the tble with several layers of old newspapers under and last laer butchers paper, I put my pieces in order in which i removed them so I can easy put them back together. Always strain paint, always clean gun...

Hope this will help solve your problem :-)

Posted on Aug 08, 2010

  • 2841 Answers

SOURCE: looking for a manual on

You can download a manual here. If you unit is discontinued then click Discontinued Product Manuals. If you have a newer unit just click Power Painter and download the manual in PDF format.,347943,747.html

Posted on Sep 20, 2010

  • 7733 Answers

SOURCE: I have bought a repair

Go to this LINK.

Posted on Oct 26, 2010

  • 250 Answers

SOURCE: I used this brand new

You have to take it apart and there is a ball check stuck open. Tap the ball with a wooden stick to free it up.

Posted on Mar 18, 2011

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I have a Wagner 834cw15. Spraying fine 10 mins ago. Now...can't get it to prime. Any suggestions? Spraying oil based kilz

I cannot find model 834
Check your owner's manual for troubleshooting steps
We used paint sprayers every day for years.
The prime valve goes bad
The steel balls that direct the paint between prime and hose, wear out
The steel ball that holds prime and hose pressure wears out

The steel balls can also get stuck
Turn prime lever on
Take a hammer and tap/bang front of paint sprayer until ball comes loose
I cannot see your sprayer so I don't know where the ball is located
The photo below says, keep lever up >> in your case lever is down or in prime position while tapping


To post a photo of your paint sprayer so I can see it:
Read: then add comment at page bottom and it sends me an e-mail
I will be here for another 45 minutes. Its 526 cst

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