757
MAINTENANCE MANUAL
S 026-010
(2)
Remove the, printed circuit cards, M681 and M682, from the fire detection card file, P54. P54 is in the E/E bay adjacent to the right side of the nose gear wheel well.
S 866-075
(3)
Remove all of the DO-NOT-CLOSE tags and close the circuit breakers which were opened in Table 601.
S 756-011
(4)
Make sure these indications occur:
(a)
The yellow FAIL P-RESET switch-light (P8) is on.
(b)
The EICAS message, FIRE/OVHT SYS, shows on the top display.
S 866-012
(5)
Push the FAIL P-RESET switch-light.
S 756-014
(6)
Make sure these indications occur:
(a)
The switch-light goes off.
(b)
The EICAS message, FIRE/OVHT SYS, does not show.
S 866-015
(7)
Open the circuit breakers in Table 601 and attach DO-NOT-CLOSE tags.
S 426-016
(8)
Install the printed-circuit cards, M681 and M682.
S 866-017
(9)
Remove all of the DO-NOT-CLOSE tags and close the circuit breakers in Table 601.
E. Do the Right Engine Check
S 866-018
(1) Open the circuit breakers on the P11 panel in Table 602 for the fire detection system for the right engine and attach DO-NOT-CLOSE tags:
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26-10-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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757
MAINTENANCE MANUAL
~.............................................................................. | Table 602 | ................................................................................ | SYSTEM | PRINTED CIRCUIT CARD | CIRCUIT BREAKERS | ................................................................................
| R ENGINE FIRE, | M683 . R ENG FIRE | 11A32, INDICATOR LIGHTS 1 |
| R NACELLE OVHT | LOOP 1 | 11A33, INDICATOR LIGHTS 2 |
| | M684 - R ENG FIRE | 11B18, WARN ELEX B |
| | LOOP 2 | 11B22, FIRE DETECTION R ENGINE 1 |
| | | 11B23, FIRE DETECTION R ENGINE 2 |
| | | 11J27, FIRE DET ALTN PWR ENGINE |
| | | RIGHT |
| | | 11J33, WARN ELEX A |
| | | 11P29, R IND LTS 2 |
2................….......................….....................................1
(2) S 026-019Remove printed-circuit cards, M683 and M684, from the fire detection card file, P54. P54 is in the E/E bay adjacent to to the right side of the nose gear wheel well.
(3) S 866-020Remove all of the DO-NOT-CLOSE tags and close the circuit breakers in Table 602.
(4) S 756-021Make sure the indications occur: (a) The yellow FAIL P-RESET light (P8) is on. (b) The EICAS message, FIRE/OVHT SYS, shows on the top display.
(5) S 866-022Push the FAIL P-RESET switch-light.
(6) S 216-076Make sure these indication occur: (a) The switch-light goes off. (b) The EICAS message, FIRE/OVHT SYS, does not show.
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