Compressor air tank full of oil

[Jlg]

As the title says I've just drained the air tank on my compressor and a half ltr of oil has came out what's going on with it

 

[carbon]

Check the oil level in the pump

 

[Jlg]

Check the oil level in the pump

Done that just under the level it should be

 

[rtbcomp]

Is it oil or emulsion? Did you get the compressor new?

 

[Jlg]

Is it oil or emulsion? Did you get the compressor new?

Compressor was new it's the first time I've used it since I sand blasted my outbord a month ago and I'm almost positive it's oil

 

[rtbcomp]

Emulsion will be white. What type of compressor. Piston? Screw?

 

[Jlg]

Emulsion will be white. What type of compressor. Piston? Screw?

Definitely oil then it's a direct drive piston compressor

 

[rtbcomp]

Is there a sight glass for the oil level on the pump? This is usually a round "window" with a red spot in the centre. On some compressors the red spot denotes the normal level, on some the minimum. Check with the manual, someone may have overfilled the pump.

I'd keep a close eye on it, if there are leaking piston rings oil could blow past into the tank, you would also notice the crankcase breathing heavily.

 

[Jlg]

Is there a sight glass for the oil level on the pump? This is usually a round "window" with a red spot in the centre. On some compressors the red spot denotes the normal level, on some the minimum. Check with the manual, someone may have overfilled the pump.

I'd keep a close eye on it, if there are leaking piston rings oil could blow past into the tank, you would also notice the crankcase breathing heavily.

It's in the middle of the dot like the instructions say and would that mean loads of air coming out the breather last time I used it sand blasting it stated leaking oil every where from somewhere around the bottom of the cylinders but it stopped

 

[WorkshopChris]

It's in the middle of the dot like the instructions say and would that mean loads of air coming out the breather last time I used it sand blasting it stated leaking oil every where from somewhere around the bottom of the cylinders but it stopped

If you have oil in the tank and oil leaked from around the bottom of the cylinder and now the oil level looks good, that would point to the compressor originally over full of oil.

 

[Jlg]

If you have oil in the tank and oil leaked from around the bottom of the cylinder and now the oil level looks good, that would point to the compressor originally over full of oil.

It shouldn't have been over filled it's the oil that came in it when I got it from the shop last year

 

[rtbcomp]

^^ they could have got it wrong at the shop.

If the oil level is now correct after losing some then it must have been overfilled.

 

[Jlg]

^^ they could have got it wrong at the shop.

If the oil level is now correct after losing some then it must have been overfilled.

I'll give it a run tomorrow and see what happens

 

[Jlg]

It's definitely leaking oil I went out this morning and it was empty so I filled it up and half of it has gone in 15 minutes of using it

 

[rtbcomp]

Most likely piston rings then, certainly cylinder off and have a look.

 

[WorkshopChris]

Compressor was new it's the first time I've used it since I sand blasted my outbord a month ago and I'm almost positive it's oil

It's definitely leaking oil I went out this morning and it was empty so I filled it up and half of it has gone in 15 minutes of using it

If its still new contact your supplier, some direct drive compressors are better than others. I once purchased a job lot pallet to customer returns, some were shipping damage, some customer damage, some were fine, and a few were seized.
I have used one myself hard for over 5 years now for a small air requirement in a commercial environment 6 day a week still going strong.
I pulled it apart cleaned fettled and rebuilt. Found lots of burs, flashing and remains of either abrasive material or casting sand inside.

 

[Jlg]

It was a aldi 3hp 50ltr I'll phone the number on it tomorrow

 

[Jlg]

They are going to send me a new compressor and I get to keep the old one as well which is a plus

 

[rtbcomp]

Nice to hear of good customer service.

 

[Jlg]

Nice to hear of good customer service.

It is a nice change I think I'm going to use it as a air tank and strip the motor and pump for spares