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Where is the piston ball located on a g max gas powered paint sprayer

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Posted on Mar 26, 2011

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1 Answer

Will not pick up paint


Hi Dan,

Yes there is a second ball valve; it is the outlet valve located inside the piston. When you remove the inlet housing to access the inlet valve and its parts, you can partly inspect the outlet ball valve which you can see in the end of the piston; check that it is free to move and nothing is stuck in it. Another thing that can stop the sprayer from priming is the priming circuit is blocked up, either the bypass valve or the return hose or both. This happens when you don't flush this out at the end of the day.

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Graco paint sprayer repair


Odd that you have air coming out of the suction, however it sounds like your inlet valve is not closing, the ball damaged or missing, or the O-ring under the valve seat is missing or damaged.

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1 Answer

Piston seal


Hi Agustin,

Sorry that I have not replied before; only just seen your enquiry.
The problem is either the piston seals are worn, in which case paint is likely to come out into the oil cup, or you have a valve problem, either something is stuck in a valve or the valve could be damaged (the seat or ball) Call me at Lion Industries if you need to discuss 01543 251 560

Dec 16, 2013 | Titan 440 Impact Airless Paint Sprayer...

1 Answer

How to replace packing on a 5900 graco


There are two balls in your paint sprayer: One is in the piston and can be removed after you take the piston valve out to get the piston packings off. Be careful of the smooth surfaces of the piston where it contacts the packings. The other is in the intake valve (foot) and held in place by the ball guide or cage. The cage can get stuck because paint gets between it and the foot. DO NOT put something in the back of the foot and try to pound the ball and cage out. The cage is hard steel, read brittle and the tabs on the cage can/will break off. I usually clean out the foot as best I can then use needle nose pliers in the holes in the top of the cage and twist it back and forth until it gets free enough to come out. Clean all surfaces and it'll go in much easier than it came out.

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1 Answer

440i titan only pressure is between 0-200 psi no matter the setting


If an airless paint sprayer won't prime it's usually because one or both check balls are stuck. First try hitting the head where the pump is sharply with a hammer, hard enough to knock the balls loose but not so much that you do any damage to the pump. If that doesn't free them up you may have to take the pump apart and clean them and their seats.
If an airless paint sprayer won't develop pressure, it's usually because the packing rnigs are damaged or collapsed. The only way to check this is to totally disassemble the pump and check them. Also look for any damage to the piston and cylinder. They must be very smooth and shiney, if they are scored they will eat up any new packing rings you put in.

Jul 19, 2012 | Titan 440 Impact Airless Paint Sprayer...

1 Answer

Wagoner Procoat Airless Sprayer without manual. Won't prime.


One cause for this is that one or both of the check balls in the piston are frozen in place. This can be caused by drying paint on the check balls or seats or, as is the case many times in our area, if you did clean the machine well with water without any airless conditioner in it, sometimes the water dries and leave behind minerals that 'lock' the check balls in the seats. Set the machine up in water and turn it on to prime. Using a hammer hit the pump head where the piston is working fairly hard. You are trying not to break anything but knock the check balls loose. If they come loose and water starts cycling through the system, let run a while to wash anything out before switching to paint. If this doesn't work, you may have to take the head apart to see why the check balls won't free up. It could be because of peices of dried paint that won't come loose by themselves.

Jun 16, 2011 | Garden

1 Answer

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


http://www.wagnerspraytech.com/portal/loader.php

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

dc008a3.jpg

To post a photo of your paint sprayer so I can see it:
Read:
http://www.fixya.com/support/r6568559-post_photograph_fixya_questions_answersAnd then add comment at page bottom and it sends me an e-mail
I will be here for another 45 minutes. Its 526 cst

Oct 26, 2010 | Air Tools & Compressors

1 Answer

I HAVE A MODEL sx55nxpcd-7443 ailess sprayer that has not been used in 4yesrs I tried to use it today I put a bucket of water for the pick up tube but nothing happens Ihave also missed placed my maunel...


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When you say nothing happened.
If the machine doesn't run at all, check the cord and plug.
If the machine doesn't pick up paint, read the following:

There are 2 steel balls inside the sprayer.
The first one is in the pipe at the first joint > this ball keeps prime in the pump head.
The second ball is 5" higher, and it is opened and closed by the prime valve
These balls can rust and then the sprayer needs to be replaced
Always store sprayer filled with kerosene

The prime valve goes bad too
And the intake can be clogged with wasp nest or paint.

Let's say your prime valve is okay, and the pipe is not clogged.
Tap the pipe where the ball is located while the machine is running.
See if you can loosen the ball.
If you can't loosen it, take the pipe apart, but be careful because the ball has to fit perfectly to hold the high pressure of a paint sprayer.

If you can get the machine to prime, then tap the next ball to see if machine will fill the hose.

Oct 22, 2010 | Campbell Hausfeld Airless Spray Guns &...

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