S 864-040-N00
 (1)  Make sure the FUEL CONTROL switch for the applicable engine is in the CUTOFF position.
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
MAIN FUEL SUPPLY HOSE (REF)
IGNITION EXCITERS (REF)
(REF) MAIN GEARBOX  DISTRIBUTION VALVE STRAINER HOUSING ON FUEL BSEE  TRANSMITTER FUEL FLOW 
A  FWD 
Fuel Distribution Valve Strainer Installation Figure 401 (Sheet 1)

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PWA 86459 PULLER FUEL FLOW
4. WASHER TRANSMITTER(4 LOCATIONS)
5. BOLT (4 LOCATIONS)
3. STRAINER COVER 6. TRANSFER HOSE FOR MAIN TUBEFUEL SUPPLY 2. PACKING 24. STRAINER (REF)
1. PACKING
8.
 PACKING

9.
 PACKING

7. GASKET
10.
 BOLT

11.
 CLAMP

23. BOLT (4 LOCATIONS) 16. BRACKET
12. NUT
22. WASHER (4 LOCATIONS) 13. CLAMP
21. ADAPTER FOR 
FUEL FLOW  14. BOLT 
TRANSMITTER  (2 LOCATIONS) 
FUEL 
DISTRIBUTION VALVE  12. NUT  1  15. BOLT 
20. CLAMP 
17. CLAMP 
19. CLAMP 

18. CLAMP
10. BOLT
16. BRACKET 2B
1
ENGINES PRE-PW-SB 73-164
2
ENGINES POST-PW-SB 73-164
Fuel Distribution Valve Strainer Installation Figure 401 (Sheet 2)
G21358
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 864-054-N00
 WARNING: MAKE SURE YOU OPEN THE APPLICABLE CIRCUIT BREAKERS FOR THE
_______ ENGINE IGNITION BEFORE YOU OPEN THE ENGINE CIRCUIT BREAKER FOR THE FUEL CONT VALVE. THE IGNITER PLUGS CAN START THE IGNITION AUTOMATICALLY IF YOU DO NOT OPEN THE CIRCUIT BREAKERS. IF THE COMBUSTION CHAMBER HAS FUEL IN IT, AN INTERNAL ENGINE FIRE OR A TAILPIPE FIRE CAN OCCUR. THE FIRE CAN CAUSE INJURY TO PERSONS AND DAMAGE TO THE ENGINE.
 (2)  
For the applicable engine, open these circuit breakers and attach the DO-NOT-CLOSE tags:

 (a)  
P6 Main Power Distribution Panel
 1) 6F01, IGN 1 ENG 1
 2) 6G19, STBY IGN ENG 1
 3) 6K19, IGN 2 ENG 1
 4) 6F02, IGN 1 ENG 2
 5) 6G20, STBY IGN ENG 2
 6) 6K20, IGN 2 ENG 2
 7) 6F03, IGN 1 ENG 3
 8) 6G21, STBY IGN ENG 3
 9) 6K21, IGN 2 ENG 3
 10) 6F04, IGN 1 ENG 4
 11) 6G22, STBY IGN ENG 4
 12) 6K22, IGN 2 ENG 4

 S 864-053-N00
 (3)  
For the applicable engine, open this circuit breaker and install the DO-NOT-CLOSE tag:

 (a)  
P6 Main Power Distribution Panel
 1) 6L10, FUEL CONT VALVE ENG 1
 2) 6L11, FUEL CONT VALVE ENG 2
 3) 6L12, FUEL CONT VALVE ENG 3
 4) 6L13, FUEL CONT VALVE ENG 4

 (4)  
Open the right fan cowl panel (AMM 71-11-04/201).

 S 014-045-N00
 S 044-047-N00
 WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT.
 (5)  Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
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