TM 1-1520-240-MTF
2-5
PRIOR TO MAINTENANCE TEST FLIGHT (CONT.)
Before Interior Check (Cont.)
20. TSEC/KY-100 Setup — Turn system ON, load
keys and set up as necessary. A pass tone is
heard in headset and “KEY N” (where ’N’ is the
key location) displayed on Z-AVH for a
successful load.
21. Turn TSEC/KY-100 — OFF.
22. CARGO RAMP AND DOOR — Check operation
(Refer to Section IV).
B* 23. CARGO HOOKS — Check operation as
required (Refer to Section IV).
24. WINCH — Check operation as required (Refer
to Section IV).
25. Heating Vent Blower Operation — Check (Refer
to section IV).
26. POWER XFR NO. 1 and POWER XFR NO. 2
switches — OFF. Check NO. 1 and NO. 2 HYD
FLT CONTR caution lights on.
27. APU GEN switch — OFF. Check NO. 1 and NO.
2 RECT OFF caution lights on.
28. APU START switch — OFF. Check APU ON
712 caution 714A advisory light out.
29. BATT switch — OFF.
INTERIOR
Forward Cabin
1-1.
1. Flight Control Closet.
a. Hydraulics lines — Check for leaks and
security.
