Question about Hitachi EC12 Portable Electric 2hp Air Compressor, Oil Lubricated

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Hatachi EC12 Portable Compressor When I start the

Hatachi EC12 Portable Compressor When I start the compressor the air comes out of the hole in the brass fitting below the gages and it will not build up pressure.

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Well make sure air pressure is not too high. if not just replace it any air supply house carries them

Posted on Jul 05, 2009

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My EC12 will start up and hold air, after use the unit will not recycle on. Is this the regulator?


No, this would be the pressure switch. One pipe or small line to the tank, with power cord coming in and cord to motor. It is adjustable so try reducing tension on the spring first. If still no change replace pressure switch.

Dec 07, 2011 | Hitachi EC12 Portable Electric 2hp Air...

1 Answer

Can I use Emglo synthetic oil in my EC12 compressor


Hello,

Yes you can use synthetic oil in you compressor. Emglo just has their name on it. Its ok to use.

Hope this helps, Matt

Dec 05, 2010 | Hitachi EC12 Portable Electric 2hp Air...

2 Answers

What type oil does the Hitachi EC 12 use? Ray


SAE 5W50 and if available use full synthetic.

This link will take you to the EC12 owners manual if you would like.

http://www.hitachipowertools.com/product/files/pneumatics/compressors/EC12__OM.pdf

Oct 28, 2010 | Hitachi EC12 Portable Electric 2hp Air...

1 Answer

I got a used Hitachi ec12 compressor, it doesn't start.


1.Check the motor first. You can readily see if it's
burned or not. Run a megger test on the motor.
Test run the motor without the compressor.
2. If, it does not run, have it checked at the motor
rewinding shop.
3. Once it is okey, remount the motor, and start it up.

Oct 29, 2009 | Hitachi EC12 Portable Electric 2hp Air...

1 Answer

Do not have manual for hitachi ec12 air compressor, cannot increase pressure


You have to manually adjust the pressure regulator. Make sure drain is completely closed. The one thats on the bottom of the tanks

Aug 29, 2009 | Hitachi EC12 Portable Electric 2hp Air...

2 Answers

Hitachi ec12 motor hums after drop in pressue


There should be a pressure switch adjustment under the cover of the switch remove the cover and reset.

Feb 03, 2009 | Hitachi EC12 Portable Electric 2hp Air...

1 Answer

When stapeling it makes a strange ping noise


I talked to hatachi about this.as i had a customer that had the same problem.there tech support said that they have had a few of these do this. it is caused by some **** in side the tube connecting the two tanks when it was welded.they said over time it should stop as wares with time.will not harm anything but is extreamly irritating.The offer no solution. which is bull !!!!!!!!!!!

Dec 18, 2008 | Hitachi EC12 Portable Electric 2hp Air...

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