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Old 02-04-2017, 06:46 PM  
Robertelicia1
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Default Need help with Graco 395 st pro sprayer!

Hi all! I just bought a graco 395 st pro off a guy for fairly cheap. I know pretty much nothing about the sprayer and can't really tell if it even functions properly. I hooked a hose and gun up to it today and tried to run it with water (not paint) on prime and no water would come out of the prime hose. But when i sprayed the gun the water sprayed out normally it seemed. Motor kicked on and pumped.. So basically I'm wondering why i cant get any water to come out of the prime tube? But the sprayer seems to spray properly when i pull the trigger on the gun? Could the prime valve be stuck on spray internally ? Any input would be greatly appreciated!!


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Old 02-04-2017, 11:06 PM  
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Here is a PDF and look on pgs. 8 thru 12; http://www.graco.com/content/dam/gra...311911EN-E.pdf


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Old 02-05-2017, 12:49 PM  
Robertelicia1
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Thanks. I already had that downloaded and I've read everything possible on the web related to this thing for 2 days and still cant seem to figure it out.
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Old 02-05-2017, 03:33 PM  
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I've not experienced the particular problem you are, however I do not own, but rent on an extended basis, just being zapped by static electricity.
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Old 03-27-2017, 07:56 PM  
Workaholic
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Kind of an old thread but...

It sounds like your prime valve may be bad. The part ranges from 35-85 $ depending upon how crafty you are at shopping around.
If it was stuck the other way I would make the assessment that your packings are in need of being repacked and a slight tap of a hammer could un-stick the ball to get the pump through the project.
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Old 03-29-2017, 08:45 AM  
Robertelicia1
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Thanks for the suggestions guys! It did turn out to be a bad prime valve. Fixed it and it works as it should now. Thanks again for the help!!!
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Old 03-29-2017, 09:22 PM  
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Quote:
Originally Posted by Robertelicia1 View Post
Thanks for the suggestions guys! It did turn out to be a bad prime valve. Fixed it and it works as it should now. Thanks again for the help!!!
Awesome I love updates on how stuff turned out. Sucks it went out, but it happens. Glad you got it worked out.


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