Cylinder Differential Compression Testing: Subject to interpretation

Cylinder Differential Compression Testing Subject to Interpretation Teledyne Continental Motors May 2000 In its simplest terms, differential compression testing is a tool that maintenance personnel use to check the health of an aircraft...


If you suspect that your gauge is not accurate or you don't have any documentation that it has been calibrated, Friedman says that you can send it to Eastern for calibration. "We charge $23 per unit to test a differential pressure tester, and this includes replacing both gauges with new and shipping it back to you.

"You can also purchase two new calibrated gauges if you can't afford the time to send your unit in for testing, but if you do send it in, we will flow test the orifice and verify the proper operation of the entire unit."

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