(a)
Examine the latches on the doors in the trailing edge fairing for cracks and wear.
(b)
Make sure that all latches are there.
(c)
Repair and adjust the latches if it is necessary (AMM 54-62-02/501).
S 412-019
CAUTION: MAKE SURE YOU LATCH THE DOORS ON THE TRAILING EDGE FAIRING
_______ CORRECTLY. IF THE DOORS OPEN DURING A FLIGHT, THIS CAN CAUSE DAMAGE TO THE DOORS.
(13) Close the doors on the trailing edge fairing (AMM 54-62-00/201).
TASK 29-17-01-002-020
4. Filter Element Removal (Fig. 201)
______________________
A. References
(1)
AMM 29-11-00/201, Main Hydraulic Supply System
(2)
AMM 36-00-00/201, Pneumatic System
(3)
AMM 54-62-00/201, Nacelle Strut Access Panels
B.
Access
(1)
Location Zone
454 System 1 - Strut Aft Fairing
464 System 2 - Strut Aft Fairing
474 System 3 - Strut Aft Fairing
484 System 4 - Strut Aft Fairing
(2)
Access Panel 454AL Trailing Edge Fairing Doors - System 1 464AL Trailing Edge Fairing Doors - System 2 474AL Trailing Edge Fairing Doors - System 3 484AL Trailing Edge Fairing Doors - System 4
C.
Procedure
(1)
Open the doors in the trailing edge fairing (AMM 54-62-00/201).
S 012-021
S 862-071
WARNING: YOU MUST RELEASE THE PRESSURE IN THE PNEUMATIC SYSTEM BEFORE
_______ YOU OPEN THE PNEUMATIC SYSTEM. THE AIR, WHICH HAS HIGH TEMPERATURE AND PRESSURE, CAN CAUSE INJURY TO PERSONS.
(2)
Release the pressure in the pneumatic system (AMM 36-00-00/201).
(3)
Remove the filter cap (16).
S 032-023
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29-17-01
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 032-072
(4)
Remove and discard the packing (17).
S 022-024
(5)
Remove the filter element (18) and the restrictor (20).
S 022-096
(6)
Remove the packing (21) from the restrictor (20).
S 022-097
(7)
Discard the filter element (18) and the packings (19 and 21).
NOTE: The filter element can be reused if it is properly cleaned.
TASK 29-17-01-402-025
5. Filter Element Installation (Fig. 201)
___________________________
A. Consumable Materials
(1)
D00567 Lubricant - Skydrol Assembly Lube, MCS 352
(2)
G00095 Detector - Leak, Leak-Tek (160X)
(3)
A00363 Sealant - RTV 162
B.
Parts
~.............................................................................. | MM | | IPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 201 | 1 | Reservoir Pressurization Module | 29-17-01 | 02 | 1 | | | 16 | Filter cap | | | 40 | | | 17 | Packing | | | 45 | | | 18 | Filter | | | 50 | | | 19 | Packing | | | 55 | | | 20 | Restrictor | | | 60 | | | 21 | Packing | | | 65 | | | 26 | Seal | | | 5 | 2......…........…...................................…..........….....….........1
C. References
(1)
AMM 36-00-00/201, Pneumatic System
(2)
AMM 54-62-00/201, Nacelle Strut Access Panels
(3)
AMM 54-62-02/501, Nacelle Strut Access Doors
D.
Access
(1)
Location Zone
454 System 1 - Strut Aft Fairing
464 System 2 - Strut Aft Fairing
474 System 3 - Strut Aft Fairing
484 System 4 - Strut Aft Fairing
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29-17-01
ALL ú ú 01 Page 208 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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