TM 9-2350-267-10
CREW CONTROLS AND INDICATORS - Continued
Auxiliary Power Unit (APU) Control Box - Continued
ENGINE OIL PRESSURE Gage
Monitors APU engine oil pressure in pounds per square inch (psi). The gage is graduated
in 10-psi increments from 0 to 60 psi. Normal operating pressure ranges from 25 to 35 psi.
This red lamp lights when a low oil pressure
condition exists in the APU Iubricating sys-
2-6
HIGH AIR TEMP Lamp
This red lamp lights when the APU over-
heats.
