S 864-006
(3)
The wheel well detector is on the left wall that separates the
landing gear bays.Prepare for Removal of the Section 46 Detectors (Fig. 405)
S 864-007
(1)
The detectors in section 46 are behind the wall panels in the aft cargo compartment. Detectors are installed near the pneumatic duct, under the the cargo compartment ceiling.
S 014-008
(2)
Remove the cargo deck wall panels as necessary to get access to the
detectors (AMM 25-50-02/401).Prepare for Removal of the Section 48 Detectors (Fig. 406)
S 864-009
(1)
The section 48 detectors are installed near the pneumatic duct near the center of section 48.
S 014-010
(2)
Open the Controls and Service Access Doors (AMM 06-42-00/201) to get
access to the detectors.Remove Detector
S 864-011
(1) Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11Q25, DUCT LEAK DET RIGHT
(b)
11Q17, DUCT LEAK DET LEFT
S 014-012
CAUTION: ALWAYS OPEN THE FIRST THREE CLAMPS FROM THE DETECTOR AND BEFORE
_______ YOU LOOSEN THE HEX NUT AND DISCONNECT THE CONNECTOR. THIS MUST BE DONE TO MAKE SURE YOU CAN MOVE THE DETECTOR WITHOUT APPLIED FORCE TO THE CONNECTOR PINS.
(2) Open the first three clamps near the end of the connectors.
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757 MAINTENANCE MANUAL
S 034-013
(3)
Remove the lockwire and disconnect the connectors at the two ends of the detector.
S 434-014
(4)
Install protective caps on the airplane electrical connectors.
S 014-015
(5)
Open the remaining clamps and remove the detector.
TASK 26-18-01-424-032
3. Install Duct Leak Detector (Fig. 401, 402, 403, 404, 405, 406)__________________________
A. Equipment
(1)
Main Gear Door Locks (AMM 32-00-15/201)
(2)
Caps to fit 35303-64 connectors
(3)
Bonding Meter, AVTRON T477W
B. References
(1)
AMM 06-41-00/201, Fuselage Access Doors and Panels
(2)
AMM 06-42-00/201, Empennage Access Doors and Panels
(3)
AMM 06-44-00/201, Wing Access Doors and Panels
(4)
AMM 24-22-00/201, Electrical Power - Control
(5)
AMM 25-50-02/401, Cargo Compartment Sidewall Panels
(6)
AMM 32-00-15/201, Landing Gear Door Locks
C. Access
(1) Location Zones
133/134 Wing Center Section (Left and Right)
310 Fuselage Body Section 48
500/600 Wing (Left and Right)
730/740 Main Landing Gear Wheel Well
D. Install the Detector
S 014-016
CAUTION: SHAPE THE DETECTOR ELEMENT SO THAT IT WILL BE CLEAR OF ADJACENT
_______ PARTS AND STRUCTURE BY AT LEAST 0.5 INCH (1.27 CM). THE MINIMUM RADIUS FOR A BEND IS 1 INCH (2.54 CM). DO NOT MAKE BENDS LESS THAN 1 INCH FROM CLAMPS OR FLANGE ASSEMBLIES. THESE PRECAUTIONS WILL PREVENT DAMAGE TO THE DETECTOR ELEMENT.
(1) Remove the protective caps from the two ends of the detector and connect the two ends of the new detector to the airplane detectors.
(a) Tighten the connectors to 50-60 pound-inches.
S 414-017
(2) Install the new grommets over the detector and put the detector in the clamps nearest the connectors.
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ALL ú ú 02 Page 409 ú Jan 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 284-018
(3)
Make sure the grommets are centered in the clamps and tighten the clamps.
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