757 AMM 飞机维护手册 防火 FIRE PROTECTION 1(7)

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 ~.............................................................................. | Table 601 | ................................................................................ | SYSTEM | PRINTED CIRCUIT CARD | CIRCUIT BREAKERS | ................................................................................ | L ENGINE FIRE, | M681 . L ENG FIRE | 11A32, INDICATOR LIGHTS 1 | | | LOOP 1 | 11A33, INDICATOR LIGHTS 2 | | L NACELLE OVHT | M682 - L ENG FIRE | 11B18, WARN ELEX B | | | LOOP 2 | 11B20, FIRE DETECTION L ENGINE 1 | | | | 11B21, FIRE DETECTION L ENGINE 2 | | | | 11J26, FIRE DET ALTN PWR ENGINE LEFT| | | | 11J33, WARN ELEX A | | | | 11P29, R IND LTS 2 | 2................….......................….....................................1
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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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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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