(l)  
GUN 001-050, 052-999;
 11B26, FIRE DETECTION CARGO 1

 (m)  
ON ALL EXCEPT GUN 051;
 11B27, FIRE DETECTION CARGO 2

 (n)  
11B33, APU REMOTE FIRE IND

 (o)  
11J24, FIRE DET ALTN PWR CARGO

 (p)  
11J25, FIRE DET ALTN PWR APU

 (q)  
11J26, FIRE DET ALTN PWR ENGINE LEFT

 (r)  
11J27, FIRE DET ALTN PWR ENGINE RIGHT

 (s)  
11J33, WARN ELEX A

 (t)  
11Q22, APU BLEED PWR

 D. Remove the APU/CARGO FIRE Control Panel
 S 034-021
 (1)  
Loosen the four screws which hold the APU/CARGO FIRE Control Panel to the P8 panel.

 S 014-023

 (2)  
Lift the APU/CARGO FIRE Control Panel out of the P8 panel until you can get access to the electrical connectors on the rear of the panel.

 S 034-024

 (3)  
Disconnect the electrical connectors.

 S 024-025

 (4)
Remove the APU/CARGO FIRE Control Panel from the P8 panel.

 TASK 26-22-03-404-020
 3.  Install the APU/CARGO FIRE Control Panel________________________________________
 A. General
 (1)  This task installs and tests the APU/CARGO FIRE Control Panel. A number of tests are included to make sure that the panel is installed and connected correctly.
 B. Equipment
 (1)  Service Platform - Controls Bay Access Door,
 313AL - A51001-19

 C. References
 (1)  
AMM 06-42-00/201, Empennage (Major Zone 300) Access Doors and Panels

 (2)  
AMM 24-22-00/201, Electrical Power - Control

 (3)  
AMM 26-16-00/501, Cargo Smoke Detection

 (4)  
AMM 26-22-02/601, APU Fire Switch

 (5)  
AMM 26-23-01/601, Cargo Fire Extinguishing Armed Switches

 (6)  
AMM 31-41-00/501, Engine Indication and Crew Alerting System

 (7)  
AMM 31-51-00/501, Warning System

 (8)  
AMM 33-16-00/501, Master Dim and Test

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 26-22-03
 ALL  ú ú 07 Page 403 ú May 28/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 D. Access
 (1)  
Location Zones
 211/212 Flight Compartment
 310 Fuselage Body Section 48
 710 Nose Landing Gear

 (2)  
Access Panel
 313AL Controls Bay Access Door
 821 Forward Cargo Compartment Door

 E. Install the APU/CARGO FIRE Control Panel
 S 014-027
 (1)  
Lower the APU/CARGO FIRE Control Panel until the electrical connectors can be connected to the connectors to the rear of the panel.

 S 434-028

 (2)
Connect the electrical connectors to the applicable connectors.

 S 424-029

 (3)  
Lower the APU/CARGO FIRE Control Panel into the P8 panel.

 S 434-031

 (4)  
Tighten the four screws until the APU/CARGO FIRE Control Panel is tight in the P8 panel.

 S 864-032

 (5)  
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P6 panel:

 (a)  
6B3, GEN CONT UNIT APU

 (b)  
6E3, FUEL VALVES APU

 (c)  
6G1, FIRE EXT APU

 (d)  
6H5, FIRE EXTINGUISHING CARGO BTL 1

 (e)  
6H6, FIRE EXTINGUISHING CARGO BTL 2

 S 864-033
 (6)  Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
 (a)  
11A32, INDICATOR LIGHTS 1

 (b)  
11A33, INDICATOR LIGHTS 2

 (c)  
11B18, WARN ELEX B

 (d)  
11B24, FIRE DETECTION APU 1

 (e)  
11B25, FIRE DETECTION APU 2

 (f)  
11B33, APU REMOTE FIRE IND

 (g)  
11J33, WARN ELEX A

 (h)  
11Q22, APU BLEED PWR

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