










By Lisa Cleaver
When compared to other pieces of equipment on a working jobsite, an air compressor hardly seems hazardous. How can air be dangerous?
"Think of compressed air as stored energy," says Tom Grau, product-line R&D department manager with MMD Equipment. "Consider it takes almost nine cubic feet of air to make one cubic foot of compressed air, and you get some idea of the energy that is stored, not only in the air compressor's tank but also in the hose connected to the tools you're operating.
"This energy did not get compressed easily," he continues. "For a 185-cfm machine, it takes over 50 hp at 3,000 rpm to confine that energy. Therefore, the sudden, uncontrolled release of this energy could have devastating results."
This is why your customers need to take note and pay attention to the industry's safety rules for compressed air. But first, before the compressor even leaves your rental yard, there are some items you need to check.
Initial inspections
According to Harold Wagner, national sales manager with Kaeser Compressors, the compressor, air hose and air tools need to be inspected thoroughly. Here are some items that need to be checked: