S 034-004
(5)
Loosen the adjacent tubing assemblies and clamps if necessary.
S 024-005
(6)
Remove the tubing assembly from airplane.
S 434-006
CAUTION:_______PUT CAPS ON THE HYDRAULIC LINES AND FITTINGS. UNWANTED MATERIAL CAN CAUSE CONTAMINATION OF HYDRAULIC LINES, DAMAGE TO SYSTEM COMPONENENTS, AND LEAKAGE OF HYDRAULIC FLUID.
(7) Install protective caps on the tube assemblies and mating connections. Remove hydraulic fluid leakage.
S 684-027
CAUTION:_______DO NOT LET HYDRAULIC FLUID LEAKAGE COLLECT. REMOVE IT IMMEDIATELY. HYDRAULIC FLUID CAN CAUSE DAMAGE.
(8) Remove hydraulic fluid leakage.
TASK 20-11-05-054-022
3. Flareless Tubing Assembly - Installation________________________________________
A. Consumable Materials
(1) Refer to the table that follows:
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
~................................................................ | TABLE 1 | | FLARELESS TUBING ASSEMBLY THREAD COMPOUNDS | .................................................................. | TYPE OF SYSTEM | APPROVED THREAD COMPOUNDS | | | (STRAIGHT THREAD FITTINGS) | .................................................................. | Compressed | Antiseize Compound BMS 3-28 | | Gas | | ........................ | | Deicing or | | | (Anti-icing) | | .................................................................. .................................................................. | Instrument | Antiseize Compound BMS 3-28 | | Air | | .................................................................. .................................................................. | Pneumatic | Antiseize Compound BMS 3-28 | ........................ D00062 Pneumatic Gease MIL-G-4343 | | Air Conditioning | | .................................................................. .................................................................. | Fire | Antiseize Compound BMS 3-28 | | Protection | or | ........................ D00053 Grease MIL-G-6032 | | Coolant | | .................................................................. .................................................................. | Water | Antiseize Compound BMS 3-28 | | Injection | | .................................................................. .................................................................. | Fuel | D00070 Hydraulic Fluid MIL-H-5606 | ........................ | | Lubrication | | .................................................................. .................................................................. | Hydraulic | D00070 Hydraulic Fluid MIL-H-5606 | | MIL-H-5606 | | .................................................................. .................................................................. | Hydraulic | D00054 Skydrol Assy Lube MCS 352 | | BMS 3-11 | | .................................................................. ..................................................................
| Hydraulic | D00070 Hydraulic Fluids MIL-H-5606 |
| MIL-H-6083 | or |
| | D00106 Hydraulic Fluids MIL-H-6083 |
..................................................................
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20-11-05
ALL ú ú 01 Page 404 ú Feb 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
.................................................................. | Misc | Antiseize Compound BMS 3-28 | | Tubing | or | | | D00053 Grease MIL-G-6032 | 2......................….........................................1
B. Procedure
S 214-008
(1)
Examine the tube ends and fittings for defects or contamination that can have a bad effect on the seal of the installation.
S 214-037
(2)
Look for wear or dents on the tube.
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