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EXTERNAL CARGO HOOK SYSTEM OPERATIONAL CHECK (Continued) - TM-55-1520-240-T-3_847
EXTERNAL CARGO HOOK SYSTEM OPERATIONAL CHECK (Continued) - TM-55-1520-240-T-3_849

TM-55-1520-240-T-3 CH-47D Heilcopter Manual
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TM 55-1520-240-T 16-1.4  EXTERNAL CARGO HOOK SYSTEM OPERATIONAL CHECK (Continued) 16-1.4 TASK RESULT 34.    Set HOOK SELECT switch (2) to MID. 35.    Press and release pilot's CARGO HOOK RELEASE Center cargo hook shall open and remain open.  MID switch (21). HOOK OPEN capsule (12) shall come on.  Pilot and copilot master caution lights (24) shall come on.  If center cargo hook does not open, go to Task 16-1.23.  If hook opens and MID HOOK OPEN capsule does not come on, go to Task 16-1.24. 36.    Set MASTER switch (1) to RESET then to ARM.   Center cargo hook shall close and remain closed.  MID HOOK OPEN capsule (12) shall go out.  Pilot and copilot master caution lights (24) shall go out.  If center cargo hook does not close, replace it.  If capsule is still lit when center cargo hook closed, go to Task 16-1.12. 37.    Set HOOK SELECT switch (2) to AFT. 38.    Press and release pilot's CARGO HOOK RELEASE Aft cargo hook shall open and drop load then relatch switch (21). closed.  AFT HOOK OPEN capsule (13) shall come on. Pilot and copilot master caution lights (24) shall come on. If aft cargo hook does not open, go to Task 16-1.25.  If hook opens and AFT HOOK OPEN capsule does not come on, go to Task 16-1.26. 39.    Set MASTER switch (1) to RESET then to ARM.   Aft cargo hook shall stay closed.  AFT HOOK OPEN capsule (13) shall go out.  Pilot and copilot master caution lights (24) shall go out.  If capsule is still lit, go to Task 16-1.13. GO TO NEXT PAGE 16-14  Change 23







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