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Do you drain your Air Compressor when you're done with it?

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Forum topic by mathguy1981 posted 02-20-2019 11:01 PM 1282 views 0 times favorited 31 replies Add to Favorites Watch
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mathguy1981

93 posts in 206 days


02-20-2019 11:01 PM

Just got a new 20 gallon California Air Compressor (they really are much quieter!) and just like my previous machine, it says to open the air drain value when I’m “done” with it.

Does anyone actually do this? Do need to put a moisture trap on it.

-- Two thumbs and counting


31 replies so far

View JRsgarage's profile

JRsgarage

361 posts in 811 days


#1 posted 02-20-2019 11:13 PM

I always drain at end of day and do use a filter.

-- “Facts don't care about your feelings.” ..., Ben Shapiro

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BlasterStumps

1241 posts in 741 days


#2 posted 02-20-2019 11:16 PM

I put a 90 degree valve on the drain. I usually open it a couple times a week if not more often. I have a piece of bicycle inntertube over the drain to lessen the noise a little.

-- "I build for function first, looks second. Most times I never get around to looks." - Mike, western Colorado

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mathguy1981

93 posts in 206 days


#3 posted 02-20-2019 11:20 PM



I put a 90 degree valve on the drain. I usually open it a couple times a week if not more often. I have a piece of bicycle inntertube over the drain to lessen the noise a little.

- BlasterStumps

The intertube is a great idea!

-- Two thumbs and counting

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MrUnix

7248 posts in 2500 days


#4 posted 02-20-2019 11:25 PM

Mine runs 24/7… and while I would like to drain it more often, it usually doesn’t get done but about once every few years.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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BFamous

302 posts in 422 days


#5 posted 02-20-2019 11:32 PM

I drain after every usage, and about once every month (or three if I don’t remember) I run it for a few minutes with the valve open to blow out any excess moisture that may have collected in the tank.

-- Brian Famous :: Charlotte, NC :: http://www.FamousArtisan.com

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Andybb

1811 posts in 905 days


#6 posted 02-21-2019 12:08 AM



Mine runs 24/7… and while I would like to drain it more often, it usually doesn t get done but about once every few years.

Cheers,
Brad

- MrUnix

+1 Guilty of that too. Did dump some 5-6 year old water out of mine a few years back. I just try and remember to turn it off as it really annoys the wife when it kicks on at 2 am.

-- Andy - Seattle USA

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LesB

2007 posts in 3744 days


#7 posted 02-21-2019 12:46 AM

Mine is pressured up all the time…..except when I am not going to be home for more than a couple of days. Then I unplug it or switch it off.

I use it frequently and don’t want to wait for it go come up to pressure every time I need it.
I drain the tank about twice a year. It is 15 years old and no problems…..yet (-:

-- Les B, Oregon

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firefighterontheside

19956 posts in 2158 days


#8 posted 02-21-2019 01:26 AM

For a small pancake I could see draining it often, but for a larger one that would be terribly inefficient.

-- Bill M. "People change, walnut doesn't" by Gene.

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diverlloyd

3382 posts in 2159 days


#9 posted 02-21-2019 01:26 AM

I do mine once a month but I only use the small one (40gal)about once a month. I also need to replace the valve with a 1/4 ball valve. I will bring the valve out next to the front leg to make it easy to get to. Walk by and give it a push with the foot and I’m good to go.

View Scap's profile

Scap

71 posts in 228 days


#10 posted 02-21-2019 01:46 AM

If your compressor is always on or permanently mounted, these are awesome.
We used to use them on buildings that had pneumatic controls.

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BlueRidgeDog

319 posts in 81 days


#11 posted 02-21-2019 01:50 AM

Probably every 100 hours of operation, more in the summer, less in the winter.

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mike02719

84 posts in 4087 days


#12 posted 02-21-2019 01:58 AM

I drain mine when I think of it. Mine is off the bottom by about an inch, so I made a mounting rack to keep it at the right angle so all the water gets out. A previous poster runs his with the drain cock open for a few minutes. I do this and it prolongs compressor life according to the manual.

-- Mike, Massachusetts

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SMP

480 posts in 207 days


#13 posted 02-21-2019 05:26 AM


+1 Guilty of that too. Did dump some 5-6 year old water out of mine a few years back. I just try and remember to turn it off as it really annoys the wife when it kicks on at 2 am.

- Andybb

What is it about air compressors and smoke alarms that make them both guaranteed to go off at 2 or 3 AM if they are going to go off. And both freak the dogs out like its the end of the world. I’ve had my Craftsman 30 gallon for about 20 years and maybe average once every 2 years. About the same as my water heater which is right next to it. At my old shop, i asked when it had been done and the guys said never, didn’t know about it. I went to drain and the petcock snapped off and I had to replace the whole bottom valve assembly, which looks like that takes most of the abuse.

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Woodknack

12652 posts in 2681 days


#14 posted 02-21-2019 06:00 AM

No. First time I drained mine a bunch of oil came out and made me think I should have left that oil in there.

-- Rick M, http://thewoodknack.blogspot.com/

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WoodenDreams

507 posts in 212 days


#15 posted 02-21-2019 06:34 AM

If you have high humidity, you should open the pitcock after 12 hours of use. One of the shops I worked in had two 150 gallon tanks. The tanks went about month without draining them. Ended up with the compressors working harder because the tanks were 1/2 filled with water. Water was being sprayed out the Air guns in the tire shop… my 3 gallon air tank doesn’t get used much. After a year, have not had any water come out the pitcock.

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