S 034-006
 (5)  
Disconnect the electrical connector (2) from the temperature transmitter (1).

 S 024-007

 (6)  
Remove the transmitter (1) from the case drain module.

 S 034-008

 (7)
Remove the O-ring (3) from the temperature transmitter (1).

 S 034-023

 (8)  
Discard the O-ring (3).

 TASK 29-32-02-404-009
 3. Temperature Transmitter Installation (Fig. 401)
____________________________________
 A. Consumable Materials
 (1)  
D00567 Skydrol Assembly Lube - MCS 352

 (2)  
D00153 Fluid - Hydraulic, Fire-Resistant, BMS 3-11

 B.
Parts

 ~.............................................................................. | MM | | IPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Temperature Transmitter | 29-11-18 | 01 | 117 | | | 3 | Packing | | | 120J | 2......…........…...................................…..........….....….........1
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 C. References
 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (3)  
AMM 54-62-00/201, Nacelle Strut Access Panels

 (4)  
AMM 54-62-02/501, Nacelle Strut Access Doors

 D.
Access

 (1)  
Location Zone
 454 System 1 - Strut Trailing Edge Fairing
 464 System 2 - Strut Trailing Edge Fairing
 474 System 3 - Strut Trailing Edge Fairing
 484 System 4 - Strut Trailing Edge Fairing

 (2)  
Access Panel
 454A Trailing Edge Fairing Doors - System 1
 464A Trailing Edge Fairing Doors - System 2
 474A Trailing Edge Fairing Doors - System 3
 484A Trailing Edge Fairing Doors - System 4

 E.
Procedure

 S 644-010
 (1)  
Apply some Skydrol assembly lube or hydraulic fluid to the O-ring (3).

 S 434-011

 (2)  
Install the O-ring (3) on the temperature transmitter (1).

 S 424-024

 (3)  
Install the temperature transmitter (1) in the case drain module.

 S 434-026

 (4)  
Tighten the temperature transmitter (1) to 250-300 pound-inches (28-33 N.m).

 (5)  
Safety the temperature transmitter (1) with a lockwire.

 S 434-025
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 434-013
 (6)  Connect the electrical connector (2) to the temperature
 transmitter (1).
 S 864-014
 (7)  Close the circuit breaker for the applicable hydraulic system:
 (a)  P7 Overhead Circuit Breaker Panel
 1)  7F3 HYDRAULICS HYDIM 1
 2)  7G3 HYDRAULICS HYDIM 2
 3)  7H3 HYDRAULICS HYDIM 3
 4)  7J3 HYDRAULICS HYDIM 4

 S 864-015
 (8)
Pressurize the applicable hydraulic system (AMM 29-11-00/201).

 S 864-027

 (9)
Push the HYD switch on the display select panel for the EICAS.

 S 714-016

 (10)
 Make sure the HYD TEMP indication, for the applicable hydraulic system, shows the approximate temperature of the hydraulic system.

 S 794-017

 (11)
 Examine the temperature transmitter installation for leakage.

 S 364-018
　
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