(5)  
AMM 70-12-04/201, Locking Techniques for Threaded Parts (Rolls-Royce Engines)

 (6)  
AMM 71-11-04/201, Fan Cowl Panels

 (7)  
AMM 78-31-00/201, Thrust Reverser System

 D.  Access
 (1)  
Location Zones
 410 No. 1 Power Plant (L)
 420 No. 2 Power Plant (R)

 (2)  
Access Panels
 413, 423 L, R, Fan Cowl Panel (Left)
 414, 424 L, R, Fan Cowl Panel (Right)
 415, 425 L, R, Fan Reverser (Left)
 416, 426 L, R, Fan Reverser (Right)

 E.  SYSTRON DONNER FIRE DETECTORS WITH CONNECTORS;
 Install the Fire Detector Elements

 S 434-044
 (1)  Install the responder with the two clamps (4), two bolts (2), washers (3), and nuts (5).
 NOTE: Make sure the responder hex flat is parallel to the bracket
____
 boss.

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A
757 MAINTENANCE MANUAL
 S 434-048
 CAUTION:_______DO NOT BEND THE DETECTOR ELEMENT. THIS CAN CAUSE DAMAGE TO THE ELEMENT.
 (2)  Install the liners (7) on the detector element and install the element into the clamps in the correct position.
 NOTE: Adjust the element for a maximum of 1 inch of overhang at the
____
 opposite end of the responder (Fig. 401).

 S 414-051
 (3)  
Close the clamps and lock.

 S 424-052

 (4)
Remove the protective cap and install the electrical connection.

 S 424-142

 (5)  
Wirelock the connection (AMM 70-12-04/201).

 S 424-129

 (6)  
Use lockwire to lock the connector nuts in position.

 F.  ENGINES WITH GRAVINER; Install the Fire Detector Elements
 S 434-053
 (1)  Install the one electrical connector, of the detector element, through the hole in the support tube end bracket, and tighten with the nut.
 S 434-054
 CAUTION:_______DO NOT TWIST OR BEND THE DETECTOR ELEMENT. THIS CAN CAUSE DAMAGE TO THE ELEMENT.
 (2)  
Install the detector element adjacent to the support tube.

 (3)
Make sure that any two clamps, which are attached, are not loose.

 S 434-055

 (4)  
Install the bushings (3) on the detector element at the location of the clamps.

 (5)  
Put the element, with bushings, in the clamps and tighten.

 S 984-128
 S 434-056
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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 ALL  ú ú 08 Page 410 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 434-057
 (6)  
Install the remaining electrical connector through the hole in the end bracket of the support tube, and tighten with the nut.

 S 754-058

 (7)  
Make sure the resistance between the detector connector shell and the primary structure of the airplane is not more than 0.010 ohm.

 S 434-059

 (8)  
Lock with wire the connector nuts.

 S 434-060

 (9)  
Remove the protective caps from the airplane wiring connectors and mate with the detector element connectors. Use new copper crush washers. Tighten the fasteners as follows:

 (a)  
Connectors: 80-100 pound-inches

 (b)  
Retaining nut: 106-124 pound-inches

 S 434-061
 (10) Lock with wire the airplane wiring connectors to the element connectors.
 G. Install the Overheat Detector Elements
 S 424-116
 (1)  Install the responder with the two clamps (4), four screws (2), washers (3), and nuts (5).
 NOTE: Make sure the responder hex flat is parallel to the bracket
____
 boss.

 S 424-119
 (2)  
For the overheat detectors with two clamps, install lockwire (32 gage) on the responder (Fig. 401).
　
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