TM 55-1520-240-T
11-3.2 AFCS VISUAL CHECK
11-3.2
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanic’s Tool Kit,
NSN 5180-00-323-4692
Materials:
None
Personnel Required:
35K10 Avionic Mechanic
References:
TM 55-1520-240-23
Equipment Condtion:
TM 55-1520-240-23
Battery Disconnected
Electrical Power Off
Hydraulic Power Off
Pylon Left Work
Platform Open
Forward Left Work
Platform Open
Flight Controls Closet Acoustic
Blanket Removed
Electronic Compartment Acoustic
Blanket Removed
Flight Controls Closet Panel
Open
TASK
RESULT
1.
2.
3.
4.
5.
6.
7.
8.
Check AFCS panel.
Check FWD and AFT CYC TRIM indica-
tors (4 and 5).
Check pilot’s radar altimeter (6).
Check pilot’s HSI (7).
Check pilot’s HSI MODE SELECT panel
(8).
Check pilot’s pitch and roll trim switch
(9).
Repeat steps 4, 5, and 6 for copilot’s radar
altimeter HSI, and HSI MODE SELECT panel
(6, 7, and 8). then go to step 8.
Check copilot’s pitch and roll trim
switch (9).
If knob (1) is loose, tighten it. If any switch (2 or 3)
is damaged, replace AFCS panel.
If either indicator (4 or 5) is damaged, replace it.
If altimeter (6) is damaged, replace it.
IF HSI (7) is damaged, replace it.
If panel (8) is damaged, replace it.
If switch (9) is damaged. replace it.
If switch (9) is damaged, replace it.
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