Question about Stanley NEW Bostitch 2 HP 6 Gallon Electric Air Compressor

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Can't drain compressor tank. How do I open drain?

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USe a wrench or pliers , it may open clockwise, be careful. It may be rusted shut or break off, Bleed the pressure off first if u are not sure

Posted on Aug 26, 2010


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How.does.someone use all of the air out of their air compressor tank

If the air compressor has run to pressurize your tank, and then is shut off, it will not automatically pump the pressure up again.

The longer you use the nozzle on the air hose, a strong jet of air will become weaker and weaker. You are using up the pressure that was pumped up.

All of the air is used when there is no more jet of air from the hose. There is air inside the tank that is equal to the atmospheric pressure outside of the tank when it is considered "all out of the tank."

Dec 14, 2017 | Air Tools & Compressors

1 Answer

How do I drain the water out of my Husky air compressor model number 41004

Moisture that condenses inside the air receiver (tank) should be drained regularly and I have not yet seen a commercially produced compressor that doesn't have a tap or a plug at the bottom for the purpose.

I found a few Husky instruction books on the interweb (refer to yours if you have one) which says to access the drain valve.

Place unit on blocks to lift unit off of ground. Place suitable container under unit to catch water. Slightly tilt unit and turn drain valve counter clockwise to open. Place unit back onto blocks to drain water from air tank.

Oct 23, 2016 | Air Tools & Compressors

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How do I take apart a dewalt d5141 compr3ssor?

This number is for the D20114 its the safety valve that can not be set to a max basic pressure .
its strange but its not adjustable it can be defect i have one time the same the experience there is not a adjustable Pressure Switch on this model , the moast compressors have a 8 to12 bar adjustable.pressure switch.
Very important This safety valve gives an electronic brake between the pump and to a end of top about 10 bar . if its not switching off then a drain valve opened . and blows all the air out. (but only over 10 bar ) the max pressure on the tank , the moast tools are working on a pressure from 6 to 8 bar.

Checking Safety Valve
WARNING: Risk of bursting. If the safety valve does not work
properly, over-pressurization may occur, causing air tank rupture or
an explosion.
Before starting compressor, pull the ring on the safety valve to
make sure that the safety valve operates freely. If the valve is
stuck or does not operate smoothly, it must be replaced with the
same type of valve.
Draining Air Tank (Fig. 1)
WARNING: Risk of unsafe operation. Risk from noise. Air tanks
contain high pressure air. Keep face and other body parts away from
outlet of drain. Use safety glasses when draining as debris can be
kicked up into face. Use ANSI S12.6 (S3.19) ear protection as air flow
noise is loud when draining.
NOTE: All compressed air systems generate condensate that
accumulates in any drain point (e.g., tanks, filter, aftercoolers,
dryers). This condensate contains lubricating oil and/or substances
which may be regulated and must be disposed of in accordance with
local, state, and federal laws and regulations.
1. Ensure On/Off switch (A) is in the OFF position.
2. Move compressor into an inclined position so drain valve (H) is
at the lowest point (this will assist in removing moisture, dirt, etc.
from air tanks)
3. Place a suitable container under the drain valve to catch
4. Grasp black lever on drain valve.
5. Slowly rotate lever to gradually bleed air from air tank.
6. When air tank pressure gauge reads 10 PSI (275.1 kPa), rotate
valve to the fully open position.
7. Close drain valve when finished

Apr 19, 2015 | Dewalt Air Tools & Compressors

1 Answer

I have a DeWalt Emglo portable single gallon tank 1.8 hp compressor. When I put it away in September all was good. We rolled it out today and it starts and sounds normal. It won't build up any pressure....

What you call the "Check valve" is really the over-pressure relief.

The real check valve is a one-way valve where the tubing from the compressor enters the tank. When it's working right it opens to allow each pulse of air from the compressor to enter the tank and closes as the compressor draws another gulp of air from the intake and gets ready to pulse it into the tank.

If it sticks open, the compressor will move the same pulse of air back and forth through the tubing and pressure in the tank will never increase.

The (real) check valve doesn't have anything to pull on. It looks like a brass straight or right-angle fitting and may have a third (small) tubing connection, besides the connections into the tank and from the compressor.

There's a good chance that the check valve is frozen from condensation and cold storage. It so, it will work fine when warmed up. If not, most of these can be taken apart and cleaned up.

Don't forget to open the tank drain valve (at the bottom) and drain the moisture out of the tank to prolong its life.

Mar 03, 2015 | Dewalt Air Tools & Compressors

1 Answer

Spray is pulsing

this is usually caused by:

1. water in pressure tank of the compressor - clean the compressor holding tank
2. faulty valve in direct drive compressor (rare!)
3. dirty needle/gasket in the piece.
4. insufficient air flow

regarding 1:
stop the compressor,
open drain on separator and let all liquid out
allow pressure to drop to atmospheric
open drain valve on the tank and drain the content
on the compressor body find oil drain and drain oil
fill with new oil according to instruction on your compressor
close drain valve on the tank and separator
start compressor and check if problem is solved

re 2:
return valve is too difficult to change without specific model knowledge

re 3:
fill 1/3 (pint/500ml or less container)gun container with paint stripper and spray it directly to the sink or other container on full blast - WEAR SAFETY MASK, GOGGLES AND GLOVES! STRIPPER WILL BURN YOUR SKIN!
fill same level with water or solvent and run again, this operation should remove most of residual paints in nozzles and pipes.
check now nozzle for cleanliness and needle assembly, clean what necessary, use bit of vaseline when you will put it back together.
check for consistency of spray on piece of butcher paper with your usual paint. if problem solved - you are fine!

increase air flow... this actually should be done first.

for better instruction - please provide with model of the gun and paint used.

your comment and rating will be appreciated.

Oct 15, 2013 | Air Tools & Compressors

1 Answer

Pressure of the air compressor does not go above 1 bar

Check for a fitting on the bottom or end of the tank. This fitting is used to drain air when not using the compressor for long periods, and should be left open most of the time. The biggest reason is that compressed air contains moisture...which will eventually rust your tank. Opening the fitting allows the water to drain out.

Since you have 1 bar, it's probably on, but loose.

Otherwise, feel for air leaks.You may try brushing on some water and dish soap...the leak will cause bubbles.

Good luck.

Feb 04, 2011 | Craftsman 3 gal. Air Compressor, 1.5 hp,...

1 Answer

I Have a Stanley air compressor Bostitch model APC-OL6-UK it is spitting brown liquid how do I clean this please

The brown liquid you are getting out of the compressor is water with rust in it from the inside the air tank. Somewhere on the bottom of your air tank there is a valve you need to open from time to time to drain the water from your tank. If you are getting rusty water from the air outlets you probably have a lot of water in the tank. If you can take the compressor outside, with pressure in the tank, where the water won't stain anything and slowly open the valve to drain the tank.

Feb 02, 2011 | Stanley Air Tools & Compressors

1 Answer

Drain valve on air compressor won't open or close

I would use an ajustable wrenck to try and open the valve. Being at the bottom and in the water, this is a common occurrence. to replace the valve, there is a Hex nut outer fitting (part of the valve) that you have to remove right by the valve "T" handle. Put a wrench on this and remove the complete valve. It too will be very hard to remove. When you install the new valve, use some anti-seize compound to make future removal easier.

May 31, 2009 | Porter Cable Cable 135 PSI, 60 Gal. Oil -...

1 Answer

Fuid inside I undo drain plug !

Open the plug at the bottom of the tank while the compressor is on so that it will blow out all the crud. The black liquid is the gunk from the oil in the compressor and staknant water. When the crud stops coming out and you herar just air, you should close the valve and you are set to go. You should drain this tank al least once a month if you use the compressor a lot. I hope this helps. Don't forget to rate my answer. Thanks.

Feb 11, 2009 | Campbell Hausfeld 13 - Gallon Air...

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