Questions tagged [compressor]

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2answers
233 views

Compressor Break In Help

I received my new compressor today. The break-in instructions say: PREPARATION FOR STARTING Push in switch to OFF position, and plug in power cord at the wall. Pull up the red power ...
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2answers
2k views

How do I connect a 240v compressor with only black and white wires?

I got a new air compressor that says 240 volt only but it only has a black and white wire please help.
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2answers
3k views

What size start capacitor should I buy for my refrigerator compressor?

What size (in horsepower) 3-in-1 start capacitor should i buy for my fridge compressor? I have an LG LRSC26922TT from 2003. The compressor isnt staying on due to (i think the PTC hooked to the ...
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3answers
121 views

Literature on effect of frequent switching on-off of air conditioner on compressor

I tried searching for literature on this using various search terms on google scholar but couldn't get anything substantial. I'm particularly interested in how adversely the AC compressor is affected ...
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1answer
140 views

Need new converter or special hose?

I would like to connect my bike nozzle to a new compressor I just bought. However the compressor have an odd (?) connector. Can someone from the pictures below see if I need to buy a new converter ...
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1answer
54 views

Compressor hose line

Would having a 20m hose connecting my compressor shed to my workshop be ok? I was planning to have the hose outside the problem is temperature differences at day and night and rain and things like ...
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0answers
35 views

Air line rotary fitting?

i'm trying to attach my compressor to a filter/regulator mounted on the wall with a short lead like this:enter image description here The problem is that the threaded ends on the hose are fixed to ...
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1answer
3k views

Propane tank to air tank conversion

I got a new and empty big propane tank from a neighbour (he works at the propane distribution in the city) and I wanted to convert it to an air tank. I know even thought it looks like it, the tanks ...
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1answer
115 views

Compressor drain

Whenever I drain my compressor only some droplets come out and I find that strange so today I opened the drain valve and I tried tilting the compressor and brownish/orange water came out, the ...
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1answer
1k views

Can a normal fridge be quieter than one with inverter compressor?

I can't decide between Liebherr CN 4015 and Panasonic NR-BN34FW1 Both are good candidates for me but not sure about the brands, and my major concern is the noise. I was led to believe that inverter ...
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1answer
988 views

Inflating wheelchair tires to 90 PSI

I'm looking for a way to easily fill my wheelchair tires to 90 psi. I understand that I don't understand all the technical stuff I should consider when buying a small compressor or a tire inflator, ...
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1answer
1k views

Replacing compressor motor (going from 3 wire to 4 wire) and question about wire colors

I am replacing a GE motor with an equivalent Mars motor, they are same fitting size, HP, RPM etc. and volt range 208-230. The wires are different though: The old motor had orange, blue, and black ...
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2answers
491 views

Attaching Air Compressor To Junction Box

I have a 4 inch metal junction box with a 3/4" mud ring attached and recessed into the drywall in my garage. I want to connect an air compressor to this junction box directly without using a plug. ...
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1answer
54 views

Is it ok to have a rise in an air compressors drain valve?

The designer of my compressor unfortunately didn't put a whole lot of thought into where to put the drain valve on it. It's on the back, and the compressor is against the wall, in a corner, usually ...
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1answer
8k views

HVAC making sound even when off

At Thermostat Fan was on Auto Cooling was On Outside Unit was making noise. Outside Unit Fan not coming on at all Next to the compressor on the Wall there was On Off Switch, I turned off power ...
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1answer
619 views

Why does my compressor bog down at low pressure?

Just bought an air compressor, and when I turn it on it starts to build up air but when it gets to around 20 psi the motor seems to be slowing down almost to a stop. Does anyone know what's up with ...
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1answer
654 views

How to Seal leaks on an air compressor system

My air compressor machine is leaking at its clamped joint area where the red plastic tubing is connected to a metal joint. I see products on the market meant to seal leaks such as teflon tape and pro-...
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2answers
11k views

Compressor size for HVLP gun?

I have never used an HVLP gun before and am trying to figure out what compressor I need. I will be spraying small, metallic parts. The paint I am using recommends an HVLP gun with a 0.8mm tip running ...
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4answers
4k views

Brand new air compressor trips onboard breaker on start

I bought a new air compressor from Harbor Freight (8-gallon, 2hp,) and last night I added oil to the fill line, opened all valves, and started it to run it for the break in period (30 minutes with no ...
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2answers
312 views

15-year-old fridge goes “clunk” at end of cycle

Started happening a few years ago, unclear whether it has gotten any louder or whether there's anything that makes it better or worse. I don't think it was this bad when new, though. Functionally, ...
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5answers
23k views

Which pipe to use to top-up refrigerant in a freezer?

My freezer is apparently slowly leaking refrigerant. I sent it in for repairs a few years back, but now it is failing with the exactly the same symptoms: compressor working non-stop, temperature never ...
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1answer
659 views

Which way should air flow through this oil/water filter

So, I picked up an oil/water filter for painting with my compressor. Unfortunately, the thing had zilch for instructions, and I'm not sure which way the air should flow. Which side (male threaded side ...
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3answers
2k views

A small air compressor for cleaning? [closed]

I'm looking for a small air compressor for a small air compressor that I can use instead of a compressed air can for dusting my home electronics. From looking at websites like Amazon or Home Depot, ...
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3answers
1k views

Can I use a nailer with a higher consumption than my compressor's SCFM rating?

Can I run a pneumatic nail gun with a consumption of 4 SCFM max on a small portable 1HP compressor with a SCFM rating of about 3 SCFM @ 90psi? What about tools that with higher SCFM consumption say 5 ...
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1answer
2k views

Which way should the water separator be fitted to an air compressor?

I bought a water separation filter for my new compressor. The water separator didn't come with any good documentation. Here's what came in the pack: A diagram on the packaging: The device: The ...
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1answer
514 views

Need advice on air compressor for home use

I'm in the market for a cheap air compressor. I need it for the occasional spray painting of furniture, inflating and switching of tires. I've been looking at this air compressor: The specs of the ...
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3answers
1k views

What size air hose would a mechanic's garage require?

I'm looking for a retractable air hose for my husband as a birthday present...he is an airplane mechanic and has many air tools, also has a large air compressor already (not sure of the hp, but it is ...
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3answers
21k views

Temporary fix for bad contactor?

After doing some replacement for the ac, the contactor stopped working. It won't close when I turn the ac on. when I pushed it in, the compressor was able to start. I can't go out to find a new one ...
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1answer
2k views

HVAC tripping breaker - things to check before replacing?

HVAC system (we're in Houston, it's still hot here) stopped working Tuesday. A/C guy came out, determined it was tripping breaker. Would trip immediately after resetting, but after a couple of ...
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3answers
2k 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 roof)....
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1answer
12k 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 ...
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0answers
5k 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 ...
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2answers
450 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 doesn'...
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2answers
1k 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 ...
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2answers
1k 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?
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1answer
331 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 ...
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2answers
180 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?
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1answer
1k 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 ...
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1answer
3k 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 ...
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3answers
15k 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), ...
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6answers
93k 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 ...
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1answer
1k 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 ...
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1answer
700 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, ...
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2answers
94 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?
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2answers
37k 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 ...
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1answer
688 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 frame/...
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2answers
485 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 ...
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2answers
2k 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 ...
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5answers
17k 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. ...
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6answers
25k views

Where can I get an air compressor that can blow air (not just inflate tires)?

I have been able to find this and this, but they don't come with the fitting/handle that allows you to blow air - for instance, if you want to blow dust from your keyboard, etc. Does anyone know ...