TM 55-1520-240-23-1
1-11. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS
1.
Powerplant — Provides power to helicopter.
2.
Engine Transmission — Directs power from engine to combining transmission.
3.
Engine Drive Shaft — Transmits power from engine transmission to combining transmission.
4.
Combining Transmission — Combines power from two engines.
5.
Forward Drive Shafting — Transmits power from combining transmission to forward transmission.
6.
Forward Transmission — Transmits power to forward rotor head.
7.
Forward Rotary-Wing Head — Transmits power and flight control input to forward blades.
8.
Forward Rotary-Wing Blades — Provide lift to helicopter.
9.
Aft Drive Shafting — Transmits power from combining transmission to aft transmission.
10. Aft Transmission — Transmits power to aft rotor shaft.
11. Aft Rotor Shaft — Transmits power to aft rotary-wing head.
12. Aft Rotary-Wing Head — Transmits power and flight control input to aft blades.
13. Aft Rotary-Wing Blades — Provide lift to helicopter.
14. Auxiliary Power Unit — Provides power for ground operation and powerplant starting.
15. Pylon — Encloses aft drive system components.
16. Main Fuel Tank
17. Forward Fuel Tank — Holds fuel for powerplants and APU.
18. Aft Fuel Tank
19. Landing Gear — Supports and allows ground movement of helicopter.
1-8
Change 3
