I agree water is worse than for your pump but please tell me what do I clean my sprayer out with when I run a water-based paint through it without gumming it up?
You can clean the sprayer out with water, and its ok to leave water in your sprayer for a couple of days. If you plan on letting the machine sit for awhile then I would put Graco pump armor in it or mineral spirits.
Thanks for this video. My pump the valve was sticking to tite to turn to prime and spray easily. But when i did the pump would not prime when i turned to prime. I removed the dip to see if its pluged with paint and also of the ball was stuck but it was just fine. I screwed back on and tried to prime but it wouldn't. Do you think something in the prime to spray valve is broken or maybe is just plugged with paint and needs to be cleaned?
Hey quick question.. do you need to adjust the brass part of the valve by tightening or loosening it? My new valve came with it only halfway screwed down. Thank you 🙏
Hi, my graco 3400 striper works great for a couple of hrs then starts pulsating and leaves the lines like Christmas tree, I cleaned the pressure releif valve and same thing, what can I check next? Thank u
@@user-dp1oq6ej5s I figured it out, we bought some new traffic paint, and that fixed the issue, very weird, I don't know if u have been using old paint or not, but we had gallons saved up from 2020, sealed, it's freakin weird, hope this helps
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Thanks for the video man. Just saved me some cash.
Thanks you really helped me out
Thanks for your share
good
I agree water is worse than for your pump but please tell me what do I clean my sprayer out with when I run a water-based paint through it without gumming it up?
You can clean the sprayer out with water, and its ok to leave water in your sprayer for a couple of days. If you plan on letting the machine sit for awhile then I would put Graco pump armor in it or mineral spirits.
Thanks for this video.
My pump the valve was sticking to tite to turn to prime and spray easily. But when i did the pump would not prime when i turned to prime. I removed the dip to see if its pluged with paint and also of the ball was stuck but it was just fine. I screwed back on and tried to prime but it wouldn't.
Do you think something in the prime to spray valve is broken or maybe is just plugged with paint and needs to be cleaned?
Hey quick question.. do you need to adjust the brass part of the valve by tightening or loosening it? My new valve came with it only halfway screwed down.
Thank you 🙏
Everything should be tight.
@@48hourpumprepair96 okay thank you
What kind of grease are you using? Thank you for the video.
Just hi-temp multi duty red grease
Hi, my graco 3400 striper works great for a couple of hrs then starts pulsating and leaves the lines like Christmas tree, I cleaned the pressure releif valve and same thing, what can I check next? Thank u
Mine is doing the same and I can’t figure out why
@@user-dp1oq6ej5s I figured it out, we bought some new traffic paint, and that fixed the issue, very weird, I don't know if u have been using old paint or not, but we had gallons saved up from 2020, sealed, it's freakin weird, hope this helps
I just put a new one and it won't sustain pressure it's like leaking
Could be the needle or seat, could be the o-rings, at that point I would just replace the whole thing.
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