EXTERNAL CARGO HOOK SYSTEM VISUAL CHECK

EXTERNAL CARGO HOOK SYSTEM WIRING DIAGRAM (Continued)

EXTERNAL CARGO HOOK SYSTEM VISUAL CHECK (Continued) - TM-55-1520-240-T-3_842

TM-55-1520-240-T-3 CH-47D Heilcopter Manual
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TM 55-1520-240-T 16-1.3 EXTERNAL CARGO HOOK SYSTEM VISUAL CHECK 16-1.3 INITIAL SETUP Applicable Configurations: References: All TM 55-1520-240-23 Tools: Aircraft Mechanic's Tool Kit. Equipment Condition: NSN 5180-00-323-4692 TM 55-1520-240-23: Battery Disconnected Materials: Electrical Power Off None Hydraulic Power Off Center Cargo Hook Access Panel Open Personnel Required: Center Cargo Hook Unstowed 67U20 Medium Helicopter Repairer Center Tunnel Cover Open TASK RESULT 1. Check forward cargo hook (1). If load beam (2) is open, close it. If it does not stay closed check rigging of tandem hook release rig- ging. Adjust as required (TM 55-1520-240-23). If rigging is okay and load beam is still open, replace cargo hook. If control assembly (3) is damaged, re- place it. If keeper (4) is damaged, replace it. If wire harness (5) is damaged replace it. If window (6) is 2. Repeat step (1) for aft cargo hook (7). damaged, replace it. 3. Check center cargo hook (8). If hook (9) is open, close it. If it does not stay closed service cargo hook actuator and check manual release cams (TM 55-1520-240-23). If hook still can not be closed, replace cargo hook (8). If keeper (10) is forward of hook (9) or damaged, adjust or replace it. If release mechanism (11) is damaged, replace it. If wire harness or hydraulic hose (12 or 13) is damaged. replace it. GO TO NEXT PAGE 16-6

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