TM 1-1520-238-MTF
2-93
Change 3
PROCEDURE
TROUBLESHOOTING
REFERENCE
ENGINE SHUTDOWN (CONT)
**14. RTR BK switch – BRAKE when Nr is
under 50%.
**15. Avionics – Off.
**16. Light switches – Off.
**17. RTR BK switch – OFF. Verify RTR BK
C/W segment extinguishes.
**18. Stabilator – Set to 0 (zero).
**19. GEN 2 and GEN 1 switches – OFF.
*20. APU FIRE PULL handle – Test as
follows:
a. FIRE BTL select switch – Verify
centered.
b. APU FIRE PULL handle – Pull.
c. Verify APU shuts down
(approximately 15-20 seconds) and
APU FAIL caution/warning segment
illuminated.
d. APU FIRE PULL handle – Full in.
**21. APU control switch – OFF.
A12
