Coats 4040a hookup to compressor questions

Carl59

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Apr 19, 2009
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#1
Hi all,
Trying to hook up my coats 4040a to my compressor.
Tire changer has the rubber air hose, with the quick disconnect. Hooked this up to my compressor , and saw the gauge on the left side of the tire machine go steadily into the red.

Out of concern of an overfill condition, I disconnected. Fearing an explosion of either the surge tank or hose,etc. etc.

What am I missing? Should there be some type of pressure limiter?

Seeing the gauge keep going into the red is unsettling

Thanks in advance. For your replies