Description of Tool Usage:

This test hose is used to perform a pressure decay test (leak test) of the shroud for the APU fuel line and drain line tubing. To perform the test the tool is connected with the Test Adapter -24 to the APU drain mast. The shroud is pressurized with dry, regulated, 0 - 50 psig air. The air source is then removed and the shroud is monitored for leaks over a period of time.