747-400 AMM 飞机维护手册 发动机燃油和控制 1(32)

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 fuel pump with the Dee-bolts (10), washers (8), and nuts (7). 8) Equally tighten the nuts (7) to symmetrically engage the cover (9). 9) Monitor the necessary torque to turn the nuts (7) through the self-locking quality (run-on torque).
 10) After all nuts (7) are tight, loosen and tighten the nuts (7) (one at a time) to 150-170 pound-inches (16.9-19.2 newton-meters) plus the run-on torque.
 (e)  Install the drain plug (5) with the steps that follow: 1) Lubricate the packing (6) with the petrolatum (VV-P-236). 2) Install the packing (6) on the drain plug (5). 3) Lubricate the threads on the drain plug (5) with engine
 oil. 4) Install the drain plug (5) on the cover (7). a) Tighten the drain plug (5) to 45-55 pound-inches (5.1-6.2 newton-meters). 5) Safety the drain plug (5) with lockwire or safety cable and safety cable ferrule.
 F. Return the Aircraft to Its Usual Condition.
 S 864-022-N00
 (1)  
For the applicable engine, remove the DO-NOT-CLOSE tags and close these circuit breakers as follows:

 (a)  
P6 Main Power Distribution Panel
 1) 6G1 FUEL SHUTOFF VALVE ENG 1
 2) 6G2 FUEL SHUTOFF VALVE ENG 2
 3) 6G3 FUEL SHUTOFF VALVE ENG 3
 4) 6G4 FUEL SHUTOFF VALVE ENG 4

 

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 864-023-N00
 (2)  Remove the DO-NOT-OPERATE tag from the FUEL CONTROL switch.
 S 414-049-N00
 WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU CLOSE THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
 (3)  
Close the right thrust reverser (AMM 78-31-00/201).

 S 414-044-N00

 (4)  
Close the right core cowl panel (AMM 71-11-06/201).

 S 414-045-N00

 (5)  
Close the right fan cowl panel (AMM 71-11-04/201).

 S 444-046-N00

 (6)  
Do the activation procedure for the thrust reversers (AMM 78-31-00/201).

 S 714-063-N00

 (7)  
Do the test for the fuel filter element that is shown in the Power Plant Test Reference Table (AMM 71-00-00/501).

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
FUEL FILTER ELEMENT - INSPECTION/CHECK
______________________________________
 1.  General
_______
 A.  This task gives the instructions for the inspection of the fuel filter element for damage and contamination.
 TASK 73-11-02-206-001-N00
 2.  Fuel Filter Element Inspection
______________________________
 A.  References
 (1)  
AMM 71-11-04/201, Fan Cowl Panels

 (2)  
AMM 71-11-06/201, Core Cowl Panels

 (3)  
AMM 73-11-02/401, Fuel Filter Element

 (4)  
AMM 78-31-00/201, Thrust Reverser System

 B.  
Access

 (1)  
Location Zone 412 Engine 1 - Main Gearbox Fwd Face 5 o'clock 422 Engine 2 - Main Gearbox Fwd Face 5 o'clock 432 Engine 3 - Main Gearbox Fwd Face 5 o'clock 442 Engine 4 - Main Gearbox Fwd Face 5 o'clock

 (2)  
Access Panel
 416 Right Thrust Reverser Half - Engine 1
 426 Right Thrust Reverser Half - Engine 2
 436 Right Thrust Reverser Half - Engine 3
 446 Right Thrust Reverser Half - Engine 4

 C.  
Prepare for the Inspection of the Fuel Filter Element

 S 016-008-N00
 (1)  Open the fan cowl panels (AMM 71-11-04/201).
 S 046-009-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.
 (2)  Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
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