S 434-034

 (2)  
Install the O-rings on the fittings.

 S 434-012

 (3)  
Install the fittings in the ports of the selector valve.

 S 144-013

 (4)  
Clean the area around the holes for the bolts to make a good electrical bond (AMM 20-22-01/601).

 S 424-035

 (5)  
Put the selector valve on the bracket.

 S 434-036

 (6)  
Install the four bolts, washers, and nuts to attach the selector valve to the bracket.

 S 434-015

 (7)  
Remove the caps from the tubes.

 S 434-016

 (8)  
Connect the tubes to the ports on the selector valve as shown on Fig. 401.

 S 434-017

 (9)  
Connect the electrical connector to the selector valve.

 S 864-037

 (10)
 Remove the DO-NOT-CLOSE tag and close this circuit breaker:

 (a)  
P7 Overhead Circuit Breaker Panel
 1) 7G4 HYDRAULICS FLUID QTY

 (11)
 Pressurize the pneumatic system (AMM 36-00-00/201).

 S 864-019
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-18-02
 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 614-020
 CAUTION:_______DO NOT PUT TOO MUCH HYDRAULIC FLUID IN THE RESERVOIR. THIS CAN CAUSE DAMAGE TO THE RESERVOIR.
 (12)
 Fill the hydraulic reservoir in each hydraulic system (AMM 12-12-01/301).

 S 864-040

 (13)
 Pressurize the hydraulic system (AMM 29-11-00/201).

 S 794-021

 (14)
 Make sure there are no leaks at the selector valve.

 S 364-038

 (15)
 If there is a leak at the selector valve, repair the cause of the leak.

 S 094-039
 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.
 (16)
 Do this task:  Body Landing Gear Door Lock Removal (AMM 32-00-30/201).

 S 864-025

 (17)
 Release the pressure in the pneumatic system if it is not necessary (AMM 36-00-00/201).

 S 864-041

 (18)
 Remove the pressure from the hydraulic system if it is not necessary (AMM 29-11-00/201).

 S 864-026

 (19)
 Remove the electrical power if it is not necessary (AMM 24-22-00/201).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 29-18-02
 ALL  ú ú 01 Page 405 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 RESERVOIR QUANTITY FILL INDICATOR - REMOVAL/INSTALLATION
________________________________________________________
 1.  General
_______
 A.  This procedure has two tasks. The first task removes the fill indicator for the reservoir quantity. The second task installs the fill indicator.
 B.  The fill indicator is in the left wheel well for the body landing gear.
 TASK 29-18-04-004-001
 2.  Reservoir Quantity Fill Indicator Removal (Fig. 401)
_________________________________________
 A.  References
 (1)  
AMM 09-11-00/201, Towing and Taxiing

 (2)  
AMM 32-00-30/201, Landing Gear Door Locks

 (3)  
IPC 29-18-04 Fig. 1

 B.  
Access

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

 C.  
Procedure

 S 494-021
 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.
 (1)  Do this task: Body Landing Gear Door Lock Installation (AMM 32-00-30/201).
　
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