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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
　
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