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I have a titan 400 i paint sprayer, won't prime.. any suggestions ? Thanks, can't get anything through it... motor is running and all. Shawn

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  • shawn_fisher Apr 24, 2009

    Mine is the short low to the ground unit, where is the ballbearing located ? I screwed off the end but its just hose and the filter ...



  • Anonymous Mar 18, 2014

    paint sprayer wont prime, cleaned all ball things and even cleaned the ball that inside white cage plastic thing but notice its missing 2 bars



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OK, Just solved this problem with my Titan 400 not priming....After searching the internet I got the clue that it was the inlet ball valve being stuck. Most said it was from leaving paint in the system or poor cleaning habits. I thought "Not me, I always do a good job cleaning the sprayer and leaving pump preserver in the system when storing". But I was wrong. After disassembling the inlet valve housing (shown in the manual) I found the valve ball stuck to the seat. After freeing the ball there was tiny bit of paint on the seat but it was enough to prevent it from functioning. Reassembled and it works fine. So maybe just luck of the draw. I don't use the system too often and it had been 6 months since the last use...still I stored it with line full of pump preservative. Symptoms were that when in prime it would not **** from the siphon tube (supply) but motor ran fine. A bit painful fix but not terrible, exercise cost me an hour, but next time would take maybe 15 minutes to correct. Hope this helps.

Posted on Oct 14, 2012

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Sometimes the ballbearing in the shaft where you dip into the paint gets stuck .if you unscrew the end of the shaft and clean the ballbearing.then put back together and try prime again.

Posted on Apr 23, 2009

  • brendansm5 Apr 24, 2009

    ok i think you will need to unscrew the shaft, i think the ball bearing in that model is at the top of the shaft..there should be a little cup in the top of the shaft with a ball bearing in it.the ball bearing is supposed to move up and down while the sprayer is priming or spraying.some times it gets stuck from dirt particles,give it a clean and put it back and try prime again with some water.hope that helps!



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