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26-14-01
LAMPS SMOKE DETECTORS ú ú 02 Page 206 ú Jun 18/00
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A
747-400 MAINTENANCE MANUAL
SMOKE DETECTOR - REMOVAL/INSTALLATION
_____________________________________
1. General_______
A. There are two tasks in this procedure. The first is the removal of smoke detector. The second is the installation of the smoke detector.
B. There are thirty two smoke detectors in the main cargo compartment.
C. If you think a detector has failed, make sure the lamp is good before you replace the detector. (AMM 26-14-01/201).
TASK 26-14-01-004-001
2. Remove Smoke Detector (Fig. 401)_____________________
A. References
(1)
AMM 24-22-00/201, Manual Control
(2)
AIPC 26-14-01, Fig. 1
(3)
WDM 26-16-21 through WDM 26-16-29
B. Access
(1) Location Zone 231 Passenger Cabin First To Second Door, LH 241 Passenger Cabin Seoond To Third Door, LH 251 Passenger Cabin Third To Fourth Door, LH 261 Passenger Cabin Fourth Door To STA 2040, LH 271 Passenger Cabin STA 2040 To STA 2360, LH
C. Procedure
S 864-002
(1) Open these circuit breakers and attach DO-NOT-CLOSE identifiers:
(a) P7 Overhead Circuit Breaker Panel 1) 7H16 CARGO SMOKE - MAIN DECK ZN 1-8 A 2) 7H17 CARGO SMOKE - MAIN DECK ZN 1-8 B 3) 7H18 CARGO SMOKE - MAIN DECK ZN 9-16 A 4) 7H19 CARGO SMOKE - MAIN DECK ZN 9-16 B
S 014-003
(2) The detectors are installed on left side of the main cargo compartment.
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26-14-01
ALL ú ú 05 Page 401 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
FWD
SEE
A
MAIN DECK CARGO COMPARTMENT
1. DETECTOR
8. WASHER (4 LOCATIONS)
CARGO COMPARTMENT SMOKE DETECTOR
Smoke Detector Installation
Figure 401
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26-14-01
ALL ú ú 03 Page 402 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C81194
A
747-400 MAINTENANCE MANUAL
S 034-004
(3) Remove the electrical connector (2). (Refer to the table)
~................................................................. | CONNECTOR | DETECTOR | LOCATION | ................................................................... | DM5171 | M5171 | DET A - MN DK CARGO SMOKE - ZONE 1 | | DM5172 | M5172 | DET B - MN DK CARGO SMOKE - ZONE 1 | | DM5173 | M5173 | DET A - MN DK CARGO SMOKE - ZONE 2 | | DM5174 | M5174 | DET B - MN DK CARGO SMOKE - ZONE 2 | | DM5175 | M5175 | DET A - MN DK CARGO SMOKE - ZONE 3 | | DM5176 | M5176 | DET B - MN DK CARGO SMOKE - ZONE 3 | | DM5177 | M5177 | DET A - MN DK CARGO SMOKE - ZONE 4 | | DM5178 | M5178 | DET B - MN DK CARGO SMOKE - ZONE 4 | | DM5179 | M5179 | DET A - MN DK CARGO SMOKE - ZONE 5 | | DM5180 | M5180 | DET B - MN DK CARGO SMOKE - ZONE 5 | | DM5181 | M5181 | DET A - MN DK CARGO SMOKE - ZONE 6 | | DM5182 | M5182 | DET B - MN DK CARGO SMOKE - ZONE 6 | | DM5183 | M5183 | DET A - MN DK CARGO SMOKE - ZONE 7 | | DM5184 | M5184 | DET B - MN DK CARGO SMOKE - ZONE 7 | | DM5185 | M5185 | DET A - MN DK CARGO SMOKE - ZONE 8 | | DM5186 | M5186 | DET B - MN DK CARGO SMOKE - ZONE 8 | | DM5187 | M5187 | DET A - MN DK CARGO SMOKE - ZONE 9 | | DM5188 | M5188 | DET B - MN DK CARGO SMOKE - ZONE 9 | | DM5189 | M5189 | DET A - MN DK CARGO SMOKE - ZONE 10 | | DM5190 | M5190 | DET B - MN DK CARGO SMOKE - ZONE 10 | | DM5191 | M5191 | DET A - MN DK CARGO SMOKE - ZONE 11 | | DM5192 | M5192 | DET B - MN DK CARGO SMOKE - ZONE 11 | | DM5193 | M5193 | DET A - MN DK CARGO SMOKE - ZONE 12 | | DM5194 | M5194 | DET B - MN DK CARGO SMOKE - ZONE 12 | | DM5195 | M5195 | DET A - MN DK CARGO SMOKE - ZONE 13 | | DM5196 | M5196 | DET B - MN DK CARGO SMOKE - ZONE 13 | | DM5197 | M5197 | DET A - MN DK CARGO SMOKE - ZONE 14 | | DM5198 | M5198 | DET B - MN DK CARGO SMOKE - ZONE 14 | | DM5199 | M5199 | DET A - MN DK CARGO SMOKE - ZONE 15 | | DM5200 | M5200 | DET B - MN DK CARGO SMOKE - ZONE 15 | | DM5201 | M5201 | DET A - MN DK CARGO SMOKE - ZONE 16 | | DM5202 | M5202 | DET B - MN DK CARGO SMOKE - ZONE 16 | 2............….............…......................................1
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