OPERATING THE APU (continued)
While the APU is operating, check LOW OIL PRESSure lamp (3), HIGH AIR TEMPerature
lamp (8), and ENGINE OIL PRESSURE gage (8) for APU malfunctions. ENGINE OIL
PRESSURE gage (6) should indicate 25-35 psi.
Turn APU GENerator switch (4) to OFF.
Turn FUEL SHUT OFF switch (1) to OFF.
Turn vehicle MASTER switch to OFF.
If the APU continues to run with MASTER switch set to OFF, open APU side door and
disconnect fuel line (7) to APU fuel filters. Notify Unit maintenance.