26-23-03
EXTINGUISHING SYSTEM ú ú 01 Page 401 ú Jan 28/00
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A
757
MAINTENANCE MANUAL
SEE A
(YELLOW) TO FORWARD COMPARTMENT (BLUE) COMPARTMENT TO AFT
SWITCH, S633 FORWARD DISCHARGE LINE PRESSURE
CARGO FIRE EXTINGUISHER BOTTLE NO. 1, M10466 M10467 BOTTLE NO. 2, CARGO FIRE EXTINGUISHER
HARD POINT
CONNECTOR HARD POINT
CONNECTOR
FILTER/DRIER AFT METERED DISCHARGE
LINE PRESSURE
REGULATOR SWITCH, S10565
SEE B FILTER/DRIER
A
Regulator Installation
Figure 401 (Sheet 1)
H56837
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH METERED CARGO FIRE ú
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EXTINGUISHING SYSTEM ú ú 01 Page 402 ú Sep 20/98
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MAINTENANCE MANUAL
WASHER BOLT TOP
(2 LOCATIONS) (2 LOCATIONS)
NUT (2 LOCATIONS)
BOLTS
B
Regulator Installation
Figure 401 (Sheet 2)
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EXTINGUISHING SYSTEM ú ú 01 Page 403 ú Sep 20/98
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H56908
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757
MAINTENANCE MANUAL
TASK 26-23-03-404-010
3. Install the Regulator (Fig. 401)
_____________________
A. References
(1)
26-23-00/501, Cargo Fire Extinguishing System - Adjustment/Test
(2)
IPC 26-23-51-02
B. Access
(1) Location Zones
153 Aft Cargo Compartment (Left)
154 Aft Cargo Compartment (Right)
C. Procedure
S 414-011
(1) Get access to the applicable cargo area to install the regulator.
S 434-012
CAUTION: YOU MUST INSTALL THE REGULATOR IN THE CORRECT POSITION AND FLOW
_______ DIRECTION. IF IT IS INSTALLED INCORRECTLY THE SYSTEM WILL NOT OPERATE CORRECTLY.
(2)
Put the regulator in the correct position in the bottom U-shaped support bracket.
S 434-013
(3)
Tighten the jam nut.
S 434-014
(4)
Install the two bolts and washers which connect the top support bracket to the regulator.
S 434-015
(5)
Install the two bolts, nuts, and washers which connect the bottom support bracket to the regulator.
(6)
Install the connectors to attach the tubing to the regulator.
S 434-016
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S 864-017
(7) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the
P6 panel:
(a) 6H1, FIRE EXT BTL 1 ENG L
(b) 6H5, FIRE EXTINGUISHING CARGO BTL 1
(c) 6H6, FIRE EXTINGUISHING CARGO BTL 2
S 734-018
(8) Do the System Test for the Metered Fire Extinguisher Discharge Lines
(AMM 26-23-00/501).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH METERED CARGO FIRE ú
26-23-03
EXTINGUISHING SYSTEM ú ú 01 Page 405 ú Sep 20/98
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