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13
votes
3answers
10k views

Should I release the pressure out of an air compressor when it is not in use?

Just got a new compressor and I wondering if I should be releasing all of the pressure out of the unit when it is not in use? Or is it better to leave the pressure in so that the unit does not have ...
10
votes
4answers
3k views

Should I leave the drain open on my compressor for storage?

I just got a new air compressor for occasional finish nailing and tire inflation. I understand that I need to open the bottom drain to let out any condensation (i.e., this question) after each use. ...
4
votes
5answers
74k views

What's the minimum recommended compressor HP/PSI to spray paint?

I have a little compressor that I use for a small brad nailer and blowing up tires. Is there a minimum PSI or horsepower that I need to be able to get to in order to spray paint with it?
4
votes
3answers
3k views

How do you break in a new air compressor?

Just got a new craftsman air compressor (33 gal). I have read that it is important to "break in" the unit by running it with the pressurized chamber open (so that there is no load on the motor). How ...
3
votes
3answers
17k views

Prevent air leaking from couplings on an air compressor hose

I recently purchased an air compressor. When I turn it on without a hose attached, it seems to work fine. It gets up to 140 PSI and shuts off the motor. As soon as I attach the hose, I can't get ...
3
votes
1answer
253 views

Is it safe to mount a medium-sized air compressor to the floor to stop or limit vibrations?

I have a 220V 6hp 33gal oil-less horizontal air compressor that aside from being noisy rattles all over the floor. Stock Image: I would like to either mount it to the floor or build a small ...
3
votes
1answer
540 views

Is it normal for an air compressor's tank to have something inside it?

I recently bought an air compressor for airbrushing and other uses. I'm not familiar with air compressors so I was wondering if it was normal for the air tank to have sand/gravel inside it? When I ...
3
votes
2answers
678 views

How do I increase the volume of air going into my lawn sprinkler zones to blow out water for the winter?

I have a 13 Gallon tank in my compressor. I can get the pressure up to over 100 PSI, but when I allow air to flow into individual sprinkler zones, the pressure at my manifold reads only about 10-15 ...
3
votes
1answer
61 views

What type of air hose should I use?

I have the compressor which can be seen below and I would like to connect one of the the two Alligator Compressor Nipples. Question Will the hose work with the first nipple? Does there exist a ...
2
votes
2answers
88 views

Can I use this hose with my air compressor?

I have the below compressor, and would like to use it for pumping my bike. Does the below hose and gun work with it? And what is the metal button at the end of the gun for?
2
votes
1answer
252 views

How can I replace a NEMA 6-30 cord & plug with a NEMA 14-30 cord & plug?

I recently purchased a used SA-6E compressor from a dive shop I work with. I had to switch out the NEMA 6-30 plug to a NEMA 14-30. This was done with a complete new plug and cable. I connected the ...
2
votes
2answers
74 views

Emerson Liebert Air Conditioner Fan Runs Abnormal

We have 2 Emerson Liebert air conditioners inside a datacenter. Issue is not a home issue but devices are all same and I supposed finding some expert here. Here is the thing: This 2 devices are ...
2
votes
2answers
7k views

Does a compressor with a short to ground really require a complete system replacement?

My 24 year old home A\C went out some time Sunday morning. I had a tech come out and look at it, and was told that the compressor is shorted to ground, and that this means I have to replace the entire ...
1
vote
1answer
345 views

Is a PVC union air tight?

I have 1/2" PVC ran from my compressor to a hose real hanging on my ceiling. It works well, but I would like to add a PVC union around the last bend just before the reel. Would the union be tight ...
1
vote
2answers
289 views

How do I extend existing 10/3 wiring to run a compressor that needs 12/2 wiring?

I am installing a new compressor in my garage. I already have 240V installed to run a kiln. The kiln is only used maybe 10 times a year. My thought is to splice into the 240V line to the kiln to run ...
1
vote
1answer
49 views

Shouldn't a compressor automatically stop compressing on a predefined PSI level?

I just received a new E.C.SMART 25/2500 DARI compressor. It came without any owner manual, and I couldn't find a manual on the net. When I turn it on, the main PSI level goes to the red zone and ...
0
votes
3answers
50 views

Problem- air condition- compressor and fan outside not on

I'm new to hvac. My ac was working fine but it decided to die one day. I've been able to fix my ac, but it continues to happen(the same problem), and it is not easy to get to the ac (it's on the ...
0
votes
2answers
123 views

Can I use this spray gun with my air compressor?

I have a spray gun that needs 4.4 cfm and 60 psi to work. My compressor is only 2.6 cfm but 135psi with a 6 gallon tank and a 2hp engine. Will this setup work to spray paint?
0
votes
1answer
563 views

Refrigerator won't cool

I have a Danby mini fridge I bought used off Craigslist about 9 months ago. It's worked great until about a week ago when it suddenly stopped cooling at all (both fridge and freezer compartments). Now ...
0
votes
2answers
1k views

Air Compressor Quick Connect Coupler Won't Latch

Background: I just purchased a new air compressor. I was surprised to see that the collar on the quick connect coupling is retracted (I'm used to pulling the collar back to insert the male fitting), ...
0
votes
1answer
272 views

How can I repair this damaged air compressor?

I have an 8 Gal CH air compressor (HM700099AV). Purchased about 3 years ago. Used for a few months, then stored behind other items in a shed and never drained until a year later. At that same time, ...
0
votes
0answers
26 views

Absorbing fridge compressor sound

I’m referring to question How to reduce noise from my refrigerator? How effecient is the sound absorption foam in reducing sound? I know it can’t block the sound, but reducing potential echo and ...
0
votes
0answers
28 views

Standard duty cycle of fridge compressor?

I have a refrigerator which has compressor duty cycle of about 50% percent. It’s set on 2 out of 5 which is the highest setting. It basically works for 12-13 minutes and then it’s of for about 16 ...
0
votes
0answers
36 views

Breaker for compressor tripping when a/c reaching stage 2

My breaker for the compressor is tripping when my a/c is switching to stage2 in very hot weather. Is there anyone who can give me the steps to troubleshoot this issue?
0
votes
0answers
131 views

AC Compressor outside is not running with new thermostat

my old thermostat stopped working, so I purchased a new one to replace that. The old one was powered by two AA batteries. A green wire connected to G, a white wire connected to W, a blue wire ...
0
votes
0answers
12 views

Daewoo frige/ freezer

I have a Deawoo refrigerator and freezer model FRS2021 IAL (one part is the freezer and the other part is the refrigerator). The freezer part is not working but the fridge is. I can't find a ...
0
votes
0answers
26 views

Refregirator compressor stops working after a while

I have a Refrigerator that worked well until yesterday. What happened is that I noticed it stopped cooling so I checked the compressor and it was very hot so I unplugged it let it sit over night. In ...
0
votes
0answers
53 views

How can I drain a two tank compressor?

I have a 1.5 HP two tank compressor that I have to drain daily. What is the most efficient trap to capture the water oil mixture as I drain it?