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.
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6-36 Change 17
