29-11-15
ALL ú ú 01 Page 202 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 162-105
(7) Clean filter. (See paragraph below titled "Clean an Air Filter.")
TASK 29-11-15-422-092
3. Air Filter and Water Separator Installation (For Turbine Drive Units Without____________________________________________________________________________ In-Line Air Filters) (Fig. 201).____________________
A. Consumable Materials
(1)
D00071 Oil - Aircraft Turbine Engine Lubricating, MIL-L-7808 (optional to MIL-L-23699)
(2)
D00068 Oil - Aircraft Turbine Engine Lubricating, MIL-L-23699 (optional to MIL-L-7808)
B.
References
(1)
AMM 36-00-00/201, Pneumatic System
(2)
AMM 54-62-00/201, Nacelle Strut Access Panels
C.
Access
(1)
Location Zone
454 System 1 - Strut Trailing Edge Fairing
484 System 4 - Strut Trailing Edge Fairing
(2)
Access Panel
454A Trailing Edge Fairing Doors - System 1
484A Trailing Edge Fairing Doors - System 4
D.
Procedure
S 012-099
(1)
Open the fairing doors on the trailing edge of the applicable strut (AMM 54-62-00/201).
S 862-100
(2)
Release the pressure in the pneumatic system (AMM 36-00-00/201).
S 422-106
(3)
Install filter element into filter, then install O-Ring onto filter.
S 422-107
(4)
Install fittings and O-rings in air filter and water separator if not included. Lightly lubricate O-rings and fitting threads with engine oil prior to installation.
S 422-108
(5)
Install an O-ring onto the inside of the air filter and water separator mounting flange. Apply engine oil to O-ring prior to installation into turbine drive unit.
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29-11-15
ALL ú ú 02 Page 203 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 432-109
(6)
Position the air filter and water separator onto the shutoff and speed valve unit, then install and lockwire the mounting bolts and washers.
S 432-110
(7)
Connect control air pressure lines.
S 862-113
(8)
Provide hydraulic power using the Air Driven Pump (ADP). (AMM 29-11-00/601).
S 212-111
(9)
Check control air pressure lines on air filter and water separator for leaks (AMM 29-11-15/201).
S 022-114
(10)
Remove hydraulic power if no longer necessary. (AMM 29-11-00/601).
S 412-112
CAUTION: MAKE SURE YOU LATCH THE FAIRING DOORS ON THE TRAILING EDGE
_______ CORRECTLY. DAMAGE CAN OCCUR IF THE DOORS OPEN DURING A FLIGHT.
(11) Close the fairing doors on the trailing edge of the applicable strut (AMM 54-62-00/201).
TASK 29-11-15-002-001
4. Speed Control Valve Water Separator and In-Line Air Filter Removal (For
_______________________________________________________________________ Turbine Drive Units with In-Line Air Filters) (Fig. 201).
_____________________________________________
A. References
(1)
AMM 36-00-00/201, Pneumatic System
(2)
AMM 54-62-00/201, Nacelle Strut Access Panels
B.
Access
(1)
Location Zone
454 System 1 - Strut Trailing Edge Fairing
484 System 4 - Strut Trailing Edge Fairing
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29-11-15
ALL ú ú 03 Page 204 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
PRESSURE TUBE FOR ENGINE NACELLE STRUT THE CONTROL AIR
FOR THE SPEED CONTROL VALVE IN-LINE AIR FILTER
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