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SAE30
I own my third oil less air compressor. I give them heavy use and it seems that switches or regulators wear out before motor or compressor.
Sae30 motor oil will fix it
In a gear driven compressor which is integral to the engine (as is the case with heavy duty trucks), you don't - the motor oil flows through the compressor, lubricating it. That's why it's also a telltale sign that the compressor is bad if you bleed the air tanks and have oil coming out.
Air tool Oil
Air conditioning compressors that sit unused for a long time or run low on oil may lock up. The moving parts in the compressor motor will become tight and hard to move.
What kind of air compressor is it? And if it is oil lubricated no!
Yes you can actually and it's much cheaper than using compressor oil that is non detergents. The nice thing about air tool oil is you can use it for up to 7000 hours on the air compressor before needing to chang it.
If it has a Briggs and Stratton engine you need SAE30. If it is a Kohler it uses 10W30.
It is a little thick. You should use sae30 or 10w30 (on cold temperature)
The main difference between an oil free compressor and an oil flooded compressor is the method of injection to compress the air for mechanical equipment, most common being construction equipment. In the oil free compressor, air is injected with screws while an oil flooded compressor uses oil injected into the holes to create a seal.
because the hermatic compressor motor must be compatible with the refrigerant and oil circulating in the system.