CHAPTER 26
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FIRE PROTECTION
TABLE OF CONTENTS
_________________
SUBJECT_______ CH/SE/SU _ PAGE EFFECTIVITY________ C ____ ___________
Circuit Breakers 10 ALL
Interface 10 ALL
Component Description 11 ALL
ENG/APU FIRE panel (1WD) 11 ALL
Fire Detectors 13 ALL
Fire Detection Unit 17 ALL
Operation/Control and Indicating 19 ALL
Fire Detection Unit 19 ALL
BITE Test 24 ALL Operational Test 24 ALL Built-In Test Equipment (BITE) 27 001-049, 051-099
101-105, 151-154 201-207,
Built-In Test Equipment (BITE) 29 106-149, 155-199 208-299, 301-399 401-499,
ENGINE FIRE AND OVERHEAT DETECTION 26-12-00
ADJUSTMENT/TEST 501 ALL
Operational Check of Loop/Squib 501 ALL
Operational Test of the Engine 504 ALL
Fire and Overheat Detection with
the Centralized Fault Display
System (CFDS)
INSPECTION/CHECK 601 ALL
Visual Inspection of the Engine 601 ALL
Fire Detection System
ENGINE AND APU FIRE PANEL 26-12-12
REMOVAL/INSTALLATION 401 ALL
Removal of the ENG/APU Fire Panel 401 ALL
(1WD)
Installation of the ENG/APU Fire 405 ALL
Panel (1WD)
Removal of the FIRE Pushbutton 410 ALL
Switch (ENG/APU Fire Panel 1WD)
Installation of the FIRE 416 ALL
Pushbutton Switch (ENG/APU Fire
Panel 1WD)
DETECTOR - FIRE, FAN (LOOP A AND B) 26-12-15
REMOVAL/INSTALLATION 401 ALL
Removal of the Fan Fire Detectors 401 ALL
(4000WD1, 4000WD2)
Installation of the Fan Fire 405 ALL
Detectors (4000WD1, 4000WD2)
Removal of the Fan Fire Detectors 410 ALL
26-CONTENTS Page 2 Aug 01/05 R CES
CHAPTER 26
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FIRE PROTECTION
TABLE OF CONTENTS
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SUBJECT_______ CH/SE/SU _ PAGE EFFECTIVITY
________ C ____ ___________ (4000WD1, 4000WD2) from the Rail Assembly Installation of the Fan Fire 415 ALL Detectors (4000WD1, 4000WD2) onto the Rail Assembly
DETECTOR - FIRE, PYLON (LOOP A AND B) 26-12-16
REMOVAL/INSTALLATION 401 ALL Removal of the Pylon Fire 401 ALL Detectors (3WD1, 3WD2, 4WD1, 4WD2) Installation of the Pylon Fire 406 ALL Detectors (3WD1, 3WD2, 4WD1, 4WD2) Removal of the Support with the 411 ALL Pylon Fire Detectors Installation of the Support with 415 ALL the Pylon Fire Detectors
DETECTOR - FIRE, CORE (LOOP A AND B) 26-12-17
REMOVAL/INSTALLATION 401 ALL Removal of the Core Fire Detectors 401 ALL (4001WD1, 4001WD2) Installation of the Core Fire 408 ALL Detectors (4001WD1, 4001WD2)
FIRE DETECTION UNIT (FDU) - ENGINE 26-12-34
REMOVAL/INSTALLATION 401 ALL Removal of the Engine 401 ALL Fire-Detection Unit (FDU) (2WD1, 2WD2) Installation of the Engine 404 ALL Fire-Detection Unit (FDU) (2WD1, 2WD2)
APU FIRE AND OVERHEAT DETECTION 26-13-00
DESCRIPTION AND OPERATION 1 ALL General 1 ALL Component Location 1 ALL System Description 1 ALL
The detection system consists of 1 ALL two identical (electrically independent) loops (A and B). They are installed in the APU compartment adjacent to
Interface 8 ALL
Operation 8 ALL System Operation 8 ALL Component Operation 12 ALL
Test 15 ALL
26-CONTENTS Page 3 Aug 01/05 R CES
CHAPTER 26
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FIRE PROTECTION
TABLE OF CONTENTS
_________________
SUBJECT_______ CH/SE/SU _ PAGE EFFECTIVITY________ C ____ ___________
APU FIRE AND OVERHEAT DETECTION 26-13-00
ADJUSTMENT/TEST 501 ALL
Operational Test of the APU Fire 501 ALL
and Overheat Detection System
DETECTOR - APU FIRE (LOOP A AND B) 26-13-15
REMOVAL/INSTALLATION 401 ALL
Removal of the Sensing Elements 401 ALL
21WG and 22WG
Installation of the Sensing 406 ALL
Elements 21WG and 22WG
FIRE DETECTION UNIT (FDU) - APU 26-13-34
REMOVAL/INSTALLATION 401 ALL
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