(10) Make sure that the alarm bell stops.
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747-400 MAINTENANCE MANUAL
S 865-079
(11)
Release the FIRE/OVHT TEST switch on the P5 panel.
S 715-080
(12)
Make sure that the MAIN DECK CARGO warning light goes off.
S 715-081
(13)
Make sure that the "CGO DET 1 MN DK" EICAS message shows.
S 865-082
(14)
Open these circuit breakers:
(a) P7 Overhead Circuit Breaker Panel 1) 7H16 CARGO SMOKE - MAIN DECK ZN 1-8 DET A 2) 7H17 CARGO SMOKE - MAIN DECK ZN 1-8 DET B
S 435-136
(15)
Connect the two electrical connectors DM5171 and DM5172 from the main deck cargo compartment.
S 865-084
(16)
Close these circuit breakers:
(a) P7 Overhead Circuit Breaker Panel 1) 7H16 CARGO SMOKE - MAIN DECK ZN 1-8 DET A 2) 7H17 CARGO SMOKE - MAIN DECK ZN 1-8 DET B
S 915-224
(17) Use this table to do the test for the other smoke detectors: ~.................................................................
| CIRCUIT | SMOKE DETECTOR | EICAS MESSAGES |
| BREAKER | CONNECTOR ................................. ....
| | | WARNING | STATUS |
................................................................... | 7H16, 7H17 | DM5173, DM5174 | FIRE MN DK FWD | CGO DET 2 MN DK | | 7H16, 7H17 | DM5175, DM5176 | FIRE MN DK FWD | CGO DET 3 MN DK | | 7H16, 7H17 | DM5177, DM5178 | FIRE MN DK FWD | CGO DET 4 MN DK | | 7H16, 7H17 | DM5179, DM5180 | FIRE MN DK FWD | CGO DET 5 MN DK | | 7H16, 7H17 | DM5181, DM5182 | FIRE MN DK MID | CGO DET 6 MN DK | | 7H16, 7H17 | DM5183, DM5184 | FIRE MN DK MID | CGO DET 7 MN DK | | 7H16, 7H17 | DM5185, DM5186 | FIRE MN DK MID | CGO DET 8 MN DK | | 7H18, 7H19 | DM5187, D51888 | FIRE MN DK MID | CGO DET 9 MN DK | | 7H18, 7H19 | DM5189, DM5190 | FIRE MN DK AFT | CGO DET 10 MN DK| | 7H18, 7H19 | DM5191, DM5192 | FIRE MN DK AFT | CGO DET 11 MN DK| | 7H18, 7H19 | DM5193, DM5194 | FIRE MN DK AFT | CGO DET 12 MN DK| | 7H18, 7H19 | DM5195, DM5196 | FIRE MN DK AFT | CGO DET 13 MN DK| | 7H18, 7H19 | DM5197, DM5198 | FIRE MN DK AFT | CGO DET 14 MN DK| | 7H18, 7H19 | DM5199, DM5200 | FIRE MN DK AFT | CGO DET 15 MN DK| | 7H18, 7H19 | DM5201, DM5202 | FIRE MN DK AFT | CGO DET 16 MN DK| 2............…................….................….................1
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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A
747-400 MAINTENANCE MANUAL
S 865-266
(18)
Make sure that these circuit breakers are closed:
(a) P7 Overhead Circuit Breaker Panel 1) 7H16 CARGO SMOKE - MAIN DECK ZN 1-8 DET A 2) 7H17 CARGO SMOKE - MAIN DECK ZN 1-8 DET B 3) 7H18 CARGO SMOKE - MAIN DECK ZN 9-16 DET A 4) 7H19 CARGO SMOKE - MAIN DECK ZN 9-16 DET B
G.
One Disconnected Connector Smoke Detector Test
S 865-261
(1) Open these circuit breakers:
(a) P7 Overhead Circuit Breaker Panel 1) 7H16 CARGO SMOKE - MAIN DECK ZN 1-8 DET A 2) 7H17 CARGO SMOKE - MAIN DECK ZN 1-8 DET B
S 035-139
(2)
Disconnect one electrical connector DM5171 from the main deck cargo smoke detector.
S 865-089
(3)
Close these circuit breakers:
(a) P7 Overhead Circuit Breaker Panel 1) 7H16 CARGO SMOKE - MAIN DECK ZN 1-8 DET A 2) 7H17 CARGO SMOKE - MAIN DECK ZN 1-8 DET B
S 865-090
(4)
Push and hold the FIRE/OVHT TEST switch on the miscellaneous switch panel M7317 (P5).
S 715-091
(5)
Look for these flight deck effects:
(a) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 防火 FIRE PROTECTION 1(59)
