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 Originally Posted by drife678
I have been so disgusted with my micron guage and vacum pump holding a vacum for some reason just wont happen. I have been trying to eliminate some possibilitys. I will hook my vacum pump up to my manifold, then hook blue guage to micton guage and leave red hose on manifold. I can pull my micron guage down below two hundred microns then.valve off my blue hose and it starts climbing. Put in new rubber gaskeys in.hose. Guess it has to be the micron guage... Or could.the manifold be the problem. Usong the cheaper jb micron.guage
Originally Posted by TriplePoint
Are you guys using nylog on the bluevac fitting? I use nylog every where else just feel like I will contaminate the sensor if I use their.
JASON sent this from his DUMB-PHONE
i use nylog on my bluvac.
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My problem is that I cant valve it off and hold a vacum using jb micron.guage
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Originally Posted by TriplePoint
Are you guys using nylog on the bluevac fitting? I use nylog every where else just feel like I will contaminate the sensor if I use their.
JASON sent this from his DUMB-PHONE
I use it. You have to be real careful not to get too much. If you do, it says "oil" and you have to clean it.
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Have never heard of nylog...
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Originally Posted by drife678
My problem is that I cant valve it off and hold a vacum using jb micron.guage
make sure your gasket has not fallen out or needs replacing.
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Hook the micron gauge to an empty recovery cylinder and evacuate THAT.
You are dealing with a very small volume and ANY leakage will drive you batty.
Increase the volume and you should see an improvement.
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Originally Posted by jpsmith1cm
Hook the micron gauge to an empty recovery cylinder and evacuate THAT.
You are dealing with a very small volume and ANY leakage will drive you batty.
Increase the volume and you should see an improvement.
JP,
You ever see that dinky gasket they use in a JB DVN 222 N?
Cripe, if you don't have a 1/4" flare plug in the connection it will fall out.
Don't get the logic of the connection they use at all. The gauge connection is female flare and relies on metal to metal contact and the gasket is just insurance.
Really should redesign it.
Blu Vac connection is awesome...no guessing if the connection is right.
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Originally Posted by hvaclover
I'd thought of thought too, but when I bought one from HD, the pipe threads just didn't seem right..Chink made of course.
Just didn't want to take a chance on cross threading the pumpm intake.
Some take NPT and others take MPT. So you have to be care ful on what you buy.
I got my one of my tees from Fastenal and it cost 2.99.
I talked to a local vac pump servicer and got my sizes straight before I took the plunge. You cross thread the the in take you are in for some expensive OEM parts
(Chink Made) HMMM! Isn't that a bit racist? Hey Timetable, That is an awesome case setup. How did you cut the foam so perfectly?
You need to put the phone down and get back to work!
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Originally Posted by jnsrose
(Chink Made) HMMM! Isn't that a bit racist?
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traced it with silver sharpie and used a box cutter to cut the foam
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How much faster would vacuum go if I changed my 3/8 vacuum port on my pump to 1/2" and used a 1/2 tee instead if 3/8 and ordered my Appion 1/2" hoses with 1/2 connection instead of the standard 3/8" connection???
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My understanding is that the fitting size isn't as important as hose diameter.
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Last edited by 270wsm; 02-08-2013 at 02:53 PM.
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