when and How often to oil pneumatic tools

Lubricate the Air Fitting
Squeeze 4-5 drops of pneumatic (Airomatic) tool oil into the air fitting daily. If the tool is used all day, repeat the process halfway through the day. If the tool is not used very often, just oil it when the tool is used. 

Don Wambach professional mechanic for over 45 years. Airomatic Tool Oil designed to enhance the life of pneumatic tools and their technicians. 

proper-care-and-feeding-of-pneumatic-tools credit Aviation Pros 

The Importance of Oiling
It may seem like a no-brainer, but pneumatic tools require regular oiling and lubrication. Without this degree of care, the parts inside will start to grind against each other. Eventually, the tool will erode itself into uselessness.
Amazingly, “we’ve seen many tools at our repair center that have never been oiled: Never,” says Johnson. “This actually happens, even though almost all the air tools we sell say ‘oil daily’ right on the housing. All technicians know the need for grease and oil in automotive applications, yet a few of them don’t see the need in their air tools!”
“For all air tools, a lack of grease and oil probably accounts for most damage,” says HECAT’s Matis. “     The only other factor that consistently causes damage is water in the air line.”

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