S 424-070
(15)
Attach the grommet/element assembly to the bracket by turning the screw head 1/4 turn clockwise.
S 714-071
(16)
Do the wing, lower aft body, and keel beam overheat detection system operational test (AMM 26-18-00/501).
S 424-071
(17)
Install the removed/moved covers using the fasteners removed in the preceding steps to install the covers (4 places).
S 424-139
(18)
Install the landing gear transfer valve (AMM 32-31-71/401).
S 414-074
(19)
Install/connect any hydraulic lines which were removed or disconnected (AMM 20-10-51/401).
S 694-075
(20)
Pressurize the Hydraulic Reservoir (AMM 29-09-00/201).
TASK 26-18-11-034-064
6. Remove the Right Wing Leading Edge Overheat Detector (M1204)_____________________________________________________________ (Fig. 401)
A. References
(1) SWPM 20-20-00, Bonding and grounding
B. Access
(1) Location Zones
218 Aft Cargo
303/403 Wing Inboard Leading Edge
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-18-11
ALL ú ú 02 Page 411 ú Nov 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
C. Procedure
S 024-065
(1)
Remove the wing access doors 6401R, 6407R, and 6405R.
S 024-066
(2)
Remove the clamps that hold the detector in position.
S 024-067
(3)
Remove the lockwire from the flange fitting.
S 024-074
(4)
Remove the Y section of the duct located under wing access door 6401R.
S 024-073
(5)
Slide a section of the pneumatic duct out of the way to gain access to the electrical connector of the sensor element.
S 024-068
(6)
Disconnect the electrical connectors at each end of the sensor element.
S 024-069
(7)
Put covers on the open ends of the electrical connectors with tape or caps to prevent damage.
S 024-070
(8)
Carefully remove the detector element.
TASK 26-18-11-044-071
7. Install the Right Wing Leading Edge Overheat Detector (M1204)_____________________________________________________________ (Fig. 401)
A. References
(1) AMM 26-18-00/501, Wing and Lower Aft Body Overheat Detection Systems
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
26-18-11
ALL ú ú 02 Page 412 ú Jul 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(2) SWPM 20-20-00, Bonding and grounding
B. Access
(1) Location Zones
C. Procedure
S 424-072
(1)
Carefully put the sensor element in its position.
S 024-072
(2)
Remove the caps from the end fittings.
S 424-142
(3)
Loosely install one end fitting in the flange fitting.
S 824-078
(4)
Bend the sensor element to the contour of the clamps and loosely install the other end fitting.
S 824-079
(5)
ON AIRPLANES WITH TWO SUPPORT TUBES ON THE M1204 ELEMENT; Extend the element between the clamp locations if there is too much length in the detector element (Fig. 402).
S 424-074
(6)
Install the clamps on the sensing element.
S 424-075
(7)
Connect the electrical connectors at each end of the sensor element.
S 424-076
(8)
Tighten the jamnuts from 50 to 60 pound-inches.
S 764-083
(9)
Make sure the electrical bond between the element connector shell and the primary structure is less than .005 ohms (SWPM 20-20-00).
(10)
Attach a lockwire to the sensor element detectors.
S 224-085 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300 400 500 AMM 飞机维护手册 防火 FIRE PROTECTION(81)
