29-18-04
 ALL  ú ú 01 Page 404 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 094-030
 WARNING:_______ YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
 DOOR LOCKS ON THE LANDING GEAR DOORS.  THE DOORS CAN CLOSE
 QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY.  THIS

 CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (12)
 Do this task:  Body Landing Gear Door Lock Removal (AMM 32-00-30/201).

 S 864-020

 (13)
 Remove the electrical power if it is not necessary (AMM 24-22-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-18-04
 ALL  ú ú 01 Page 405 ú Feb 18/02
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A
747-400 MAINTENANCE MANUAL
 RESERVOIR FILL FILTER - REMOVAL/INSTALLATION
____________________________________________
 1.  General_______
 A.  This procedure has four tasks. The first task removes the reservoir fill filter. The second task installs the reservoir fill filter. The third task removes the filter element from the reservoir fill filter. The fourth task installs the filter element in the reservoir fill filter.
 B.  The reservoir fill filter is in the left wheel well for the body landing gear.
 TASK 29-18-06-004-001
 2.  Reservoir Fill Filter Removal (Fig. 401)_____________________________
 A.  References
 (1)  
AMM 09-11-00/201, Towing and Taxiing

 (2)  
AMM 24-22-00/201, Manual Control

 (3)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (4)  
AMM 32-00-30/201, Landing Gear Door Locks

 B.  
Access

 (1)  
Location Zone
 137A Body Landing Gear Wheel Well, LH

 C.  
Procedure

 S 864-002
 (1)  
Supply electrical power (AMM 24-22-00/201).

 S 864-003

 (2)
Put the handle on the selector valve in the SYS 1 position.

 (3)
Release the pressure in hydraulic system 1 (AMM 29-11-00/201).

 S 864-004
 S 494-005
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (4)  Do this task: Body Landing Gear Door Lock Installation (AMM 32-00-30/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH RESERVOIR FILL FILTER ú

 29-18-06
 ú ú 02 Page 401 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
BOLT
BRACKET
(2 LOCATIONS)
RESERVOIR
FILL FILTER

SEE A
RESERVOIR FILL LINE RESERVOIRFILTER HEAD FILL FILTER
SEE B
OUTLET
INLET
0-RING
O-RING BACKUP RINGS (QTY 2)
BACKUP RING
FWD
FILTER ELEMENT
OUTLET LINE FILTER BOWL
FROM THE HAND PUMP
RESERVOIR FILL FILTER
A
B
Reservoir Fill Filter Installation Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH RESERVOIR FILL FILTER ú

 29-18-06
 ú ú 04 Page 402 ú Jun 18/01
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