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
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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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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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