CHECK COMBINING TRANSMISSION CHIP DETECTOR AND DEBRIS SCREEN INSTALLATION

CHECK AFT TRANSMISSION CHIP DETECTOR AND DEBRIS SCREEN INSTALLATION

TRANSMISSION CHIP DETECTORS AND DEBRIS SCREENS OPERATIONAL CHECK (Continued) - TM-55-1520-240-T-1_601

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 COMBINING TRANSMISSION CHIP DETECTOR AND DEBRIS SCREEN INSTALLATION 24. Push in chip detector plug (20) and turn it counterclock- wise. Remove plug (20) from chip detector body. Leave connector connected. 25. Check tip (21) on plug (20) for chips. Save chips for contamination analysis. (Refer to TM 55-1520-240-23.) 26. Clean tip (21) with clean cloth (E104). 27. Place a jumper wire between tip of plug (21) and edge XMSN CHIP DET (Without 74) XMSN CHIP DETR (With of plug (20). 74 capsule (9) shall come on. COMB TRANSMISSION CHIP DETECTOR indicator (22) shall change to black- and-white fan. If capsule (9) does not come on or indicator (22) does not change display, go to Task 6-2.15. 28. Remove jumper wire. Install chip detector plug (20). XMSN CHIP DET (Without 74) XMSN CHIP DETR (With 74 capsule (9) shall go out. 29. Remove combining transmission right debris detec- tion screen (23). Inspect screen. (Refer to TM 55- 1520-240-23.) 30. Connect connector to combining transmission right debris detection screen (23). CAUTION Be careful when placing jumper wire on screen. Rough handling could damage debris screen. TASK RESULT 31. Place a jumper wire across at least four consecutive COMB TRANSMISSION RH DEBRIS SCREEN indicator wires on the outside mesh of screen (24). (25) shall change to black-and-white fan. If it does not, go to Task 6-2.16. 32. Remove jumper wire. Install combining transmission right debris detection screen (23). 33. Hold container under combining transmission left debris detection screen (23) and remove it. Inspect screen. (Refer to TM 55-1520-240-23.) 34. Connect connector to combining transmission left debris detection screen (23). CAUTION Be careful when placing jumper wire on screen. Rough handling could damage debris screen. 35. Place a jumper wire across at least four consecutive COMB TRANSMISSION LH DEBRIS SCREEN indicator wires on the outside mesh of screen (24). (26) shall change to black-and-white fan. If it does not, go to Task 6-2.17. 36. Remove jumper wire. Install combining transmission right debris detection screen (23). 37. Set GND switch (6) to RESET, then to GND. Indicators (22, 25, and 26) shall change to all-black. GO TO NEXT PAGE 6-36 Change 17

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