![]() It’s always best to use the oil viscosity (often referred to as “weight”) closest to that of your original compressor oil. The former is ideal for warmer temperatures, while the latter is better for colder temperatures (SAE 20 is thinner, so makes startup easier in cold environments). Most compressors use SAE 30 or SAE 20 oil. Oil ViscosityĪnother important consideration when using motor oil in your compressor is viscosity. This will lead to buildup on the piston and cylinder walls that can damage the motor. In an air compressor, detergents can prevent grit from sinking to the bottom of the oil sump, and instead, keep it suspended in the oil. Detergents are added to many motor oils to help clean the internal components of combustion engines. Most importantly, any oil you put in your air compressor should always be labeled as “non-detergent” or ND. Motor oil can be used in place of air compressor oil, but it needs to meet a few important criteria if you don’t want to damage your compressor pump. How Often Should You Change Your Air Compressor Oil?.Why It’s Important To Change Your Air Compressor Oil Regularly.Other Considerations When Using Compressor Oil Substitutes.But it’s important to keep in mind that none of these should be considered long-term substitutes for your manufacturer’s recommended air compressor oil – they are best used only for short-term use and in emergencies. I’ll go over each of these in more detail below to give you a picture of their benefits and drawbacks. There are a few air compressor oil substitutes that can work well in a pinch. So if you need to top off your oil or your compressor is in desperate need of an oil change, but you’re all out of your regular compressor oil, and wondering what can I use instead of compressor oil?įortunately, you’re not without options. Most importantly, the oil needs to be checked and changed regularly. ![]() Oil-lubricated air compressors have their benefits, but they also tend to require a fair amount of maintenance.
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