CHECK AFT SHAFT CHIP DETECTOR INSTALLATION

TRANSMISSION CHIP DETECTORS AND DEBRIS SCREENS OPERATIONAL CHECK (Continued) - TM-55-1520-240-T-1_603

6-2.4 NO. 1 OR NO. 2 ENG CHIP DET (WITHOUT 74 ) ENG 1 OR 2 CHIP DETR (WITH 74 ) CAPSULE LIT, TRANSMISSION OR ENGINE CHIP DETECTOR INDICATOR BLACK-AND-WHITE

TM-55-1520-240-T-1 CH-47D Heilcopter Manual
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TM 55-1520-240-T 6-2.3 TRANSMISSION CHIP DETECTORS AND DEBRIS SCREENS OPERATIONAL CHECK (Continued) 6-2.3 TASK RESULT CHECK AFT SHAFT CHIP DETECTOR INSTALLATION 55. Remove aft shaft chip detector plug (36) and inspect it. (Refer to TM 55-1520-240-23.) 56. Connect connector to aft shaft chip detector plug (36). 57. Place a jumper wire between tip of plug (37) and edge XMSN CHIP DET (Without 74 ) XMSN CHIP DETR (With of plug (36). 74 ) capsule (9) shall come on. AFT SHAFT TRANSMIS- SION CHIP DETECTOR indicator (38) shall change to black-and-white fan. If capsule (9) does not come on or indicator (38) is still black, go to Task 6-2.22. 58. Remove jumper wire. Install aft shaft chip detector XMSN CHIP DET (Without 74 ) XMSN CHIP DETR (With plug (36). 74 ) capsule (9) shall go out. 59. Set GND switch (6) to RESET, then to GND. Indicator (38) shall change to all-black. FOLLOW-ON MAINTENANCE: TM 55-1520-240-23: Battery disconnected. Electrical power off. Forward drip pan installed. Aft transmission baffles closed. Pylon lower fairing closed. Pylon hinged fairing closed. Pylon right work platform closed. Engine transmission fairings installed. Engine air inlet screens installed. END OF TASK 6-40 Change 17 Page 6-41 is a blank page.

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