TM 1-1520-238-23
Change 4
15-1
CHAPTER 15
AUXILIARY POWER SYSTEM
CHAPTER OVERVIEW
Chapter 15 contains the maintenance instructions for the auxiliary power system. Auxiliary power system descrip-
tion, operation, and troubleshooting information is contained in TM 1-1520-238-T.
NOTE
All deleted tasks can be found in TM 1-2835-213-23.
CHAPTER INDEX
Para Title
Para No.
SECTION I.
AUXILIARY POWER SYSTEM MAINTENANCE
Auxiliary Power System Components Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.1
APU Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.2
APU Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.3
APU Motional Transducer Removal/Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleted
APU Gearbox Oil Filler Cap Removal/Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleted
APU Oil Filter Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleted
APU Oil Level Sight Gage Indicator Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleted
APU Low Oil Pressure (LOP) Switch Removal/Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleted
APU Chip Collector and Magnetic Drain Plug Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleted
APU Wiring Harness Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleted
APU Wiring Harness Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleted
APU Wiring Harness Angle Bracket Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleted
APU START/RUN/OFF Switch Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.13
APU Power Take-Off (PTO) Clutch Removal/Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleted
