(d)  
Remove the packing.
 1) Discard the packing.

 TASK 29-11-15-402-009
 5.  Speed Control Valve Water Separator and In-Line Air Filter Installation (For_______________________________________________________________________ Turbine Drive Units with In-Line Air Filter) (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 54-62-00/201, Nacelle Strut Access Panels

 (2)  
IPC 29-11-41 Fig. 1

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 29-11-15
 ALL  ú ú 03 Page 208 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 C. Access
 (1)  
Location Zone
 454 System 1 - Strut Aft Fairing
 484 System 4 - Strut Aft Fairing

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

 D.
Procedure

 S 422-048
 (1)  
Install the water separator for the speed control valve:

 (a)  
Install a packing, lubricated with engine oil, on to the inside of the mounting flange of the water separator housing for the speed control valve.

 (b)  
Put the water separator in its position on the shutoff/speed control valve unit.

 (c)  
Install the clamp bracket with the two washers and the bolts.

 (d)  
Tighten the bolts.

 (e)  
Install a lockwire on the bolts.

 S 422-086
 (2)  
Put the In-Line Air Filter in the speed control air pressure line.

 S 432-087

 (3)  
Connect the speed control air pressure line to the union on the speed control valve water separator housing.

 S 212-085

 (4)  
Check speed control valve in-line air filter and water separator connections for leaks (AMM 29-11-15/201).

 S 412-049
 CAUTION: MAKE SURE YOU LATCH THE FAIRING DOORS ON THE TRAILING EDGE
_______ CORRECTLY. DAMAGE CAN OCCUR IF THE DOORS OPEN DURING A FLIGHT.
 (5)  Close the fairing doors on the trailing edge of the applicable strut (AMM 54-62-00/201).
 TASK 29-11-15-002-016
 6. Shutoff Valve Water Separator 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

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-11-15
 ALL  ú ú 02 Page 209 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 B.  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

 C.  
Procedure

 S 012-050
 (1)  
Open the fairing doors on the trailing edge of the applicable strut (AMM 54-62-00/201).

 S 862-051

 (2)
Release the pressure in the pneumatic system (AMM 36-00-00/201).

 S 022-052

 (3)  
Remove the water separator for the shutoff valve:

 (a)  
Disconnect the shutoff and modulator supply tube from between the two tee fittings. 1) Remove the supply tube.

 (b)  
Disconnect the tee fitting from the water separator housing on the shutoff valve.