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BITE  TEST  MEASUREMENT  DATA
AFCS  VISUAL  CHECK  (Continued)

TM-55-1520-240-T-3 CH-47D Heilcopter Manual
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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. GO TO NEXT PAGE 11-44







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