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747-400 FAULT ISOLATION/MAINT MANUAL

E/E EQUIPMENT COMPARTMENT
CARD
CARD
ENG FIRE
ENG OVHT
DET 1A, YLPA1
DET 3B, YLPA20

 
 
A1  A2 A3  A4 A5  A6  A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26A27 A28 A29 A30 A31 A32 A33 A34 A35 

FIRE DETECTION CARD FILE, M826
C
Engine Fire and Overheat Detection System - Component Location Figure 102 (Sheet 2)
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747-400 FAULT ISOLATION/MAINT MANUAL
ELEMENT UPPER AFT  ELEMENT UPPER AFT  ELEMENT UPPER FORWARD 
SEE  D  SEE  D  SEE  D 
LOWER AFT 
ELEMENT 
ELEMENT LOWER FORWARD  SEE  D  LOWER AFT ELEMENT 
SEE  D  SEE  D 
LEFT SIDE  RIGHT SIDE

Engine Fire and Overheat Detection System - Component Location
Figure 102 (Sheet 3)

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747-400 FAULT ISOLATION/MAINT MANUAL
ENGINE FIRE AND OVERHEAT DETECTOR (EXAMPLE)
D
Engine Fire and Overheat Detection System - Component Location
Figure 102 (Sheet 4)

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747-400 MAINTENANCE MANUAL
 ENGINE FIRE AND OVERHEAT DETECTION SYSTEM - MAINTENANCE PRACTICES
_________________________________________________________________ (ENGINE POOLING)
________________
 1.  General_______
 A.  This section provides a procedure for the reconfiguration of the engine fire and overheat detection system. This procedure will allow engines equipped with Kidde fire detectors and engines equipped with Systron Donner fire detectors to be used on the same airplane.
 NOTE: You can use this engine intermix procedure only if the airplane
____ has one of the following M826 card file part number 285U0080-107, -155, or -176.
 TASK 26-11-00-862-008
 2.  Intermix the Fire Detection System__________________________________
 A.  Standard Tools and Equipment
 (1)  YLPA001 - Control Card, Eng 1 Fire Det A for Engine 1 YLPA002 - Control Card, Eng 1 Fire Det B for Engine 1 YLPA004 - Control Card, Eng 1 Ovht Det A for Engine 1 YLPA005 - Control Card, Eng 1 Ovht Det B for Engine 1
 (2)  YLPA006 - Control Card, Eng 2 Fire Det A for Engine 2 YLPA007 - Control Card, Eng 2 Fire Det B for Engine 2 YLPA009 - Control Card, Eng 2 Ovht Det A for Engine 2 YLPA010 - Control Card, Eng 2 Ovht Det B for Engine 2
 (3)  YLPA011 - Control Card, Eng 3 Fire Det A for Engine 3 YLPA012 - Control Card, Eng 3 Fire Det B for Engine 3 YLPA014 - Control Card, Eng 3 Ovht Det A for Engine 3 YLPA015 - Control Card, Eng 3 Ovht Det B for Engine 3
 (4)  YLPA016 - Control Card, Eng 4 Fire Det A for Engine 4 YLPA017 - Control Card, Eng 4 Fire Det B for Engine 4 YLPA019 - Control Card, Eng 4 Ovht Det A for Engine 4 YLPA020 - Control Card, Eng 4 Ovht Det B for Engine 4
 B.  References
 (1)  AMM 26-10-01/401, Fire Warning and Detection Cards
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