(c)
Show the PERF INIT page on the CDU: 1) Push the INIT/REF key. 2) Push the line select key (LSK) adjacent to the <INDEX
prompt to show the INIT/REF INDEX page.
(d)
Make sure the line adajcent to the LSK 4R is empty space.
TASK 71-00-30-572-023-N00
4. Put the Engine Back to Its Pre-Ferry Flight Condition - Engine Windmilling
__________________________________________________________________________
A. References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 71-00-03/201, Power Plant
(3)
AMM 71-11-04/201, Fan Cowl Panels
(4)
AMM 71-11-06/201, Core Cowl Panels
(5)
AMM 72-00-00/601, Engine
(6)
AMM 78-31-00/201, Thrust Reverser System
B.
Access
(1)
Location Zones
412 Engine 1
422 Engine 2
432 Engine 3
442 Engine 4
(2)
Access Panels 415 and 416 Thrust Reverser Halves - Engine 1 425 and 426 Thrust Reverser Halves - Engine 2 435 and 436 Thrust Reverser Halves - Engine 3 445 and 446 Thrust Reverser Halves - Engine 4
C.
Procedure
S 212-016-N00
(1) Make sure that the engine inlet, turbine exhaust, and 2.9 bleed valves are free of damage and metal pieces.
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S 862-027-N00
(2) Supply electrical power (AMM 24-22-00/201).
S 862-033-N00
(3) On the pilots' overhead panel, P5, set the applicable MAIN AFT and FWD switches for the fuel to the OFF position.
S 092-032-N00
(4) Remove these circuit breaker collars and close the circuit breakers for the applicable engine: (a) P6 Main Power Distribution Panel 1) 6G1 FUEL SHUTOFF VALVE ENG 1 2) 6L10 FUEL CONT VALVE ENG 1 3) 6G2 FUEL SHUTOFF VALVE ENG 2 4) 6L11 FUEL CONT VALVE ENG 2 5) 6G3 FUEL SHUTOFF VALVE ENG 3 6) 6L12 FUEL CONT VALVE ENG 3 7) 6G4 FUEL SHUTOFF VALVE ENG 4 8) 6L13 FUEL CONT VALVE ENG 4
S 212-028-N00
(5) Make sure that the FUEL SPAR VLV 1, 2, 3, or 4 display is gone from the EICAS.
S 092-031-N00
(6) Remove these circuit breaker collars and close the circuit breakers for the applicable engine: (a) P6 Main Power Distribution Panel 1) 6F1 IGN 1 ENG 1 2) 6K19 IGN 2 ENG 1 3) 6G19 STBY IGN ENG 1 4) 6F2 IGN 1 ENG 2 5) 6K20 IGN 2 ENG 2
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
6) 6G20 STBY IGN ENG 2 7) 6F3 IGN 1 ENG 3 8) 6K21 IGN 2 ENG 3 9) 6G21 STBY IGN ENG 3 10) 6F4 IGN 1 ENG 4 11) 6K22 IGN 2 ENG 4 12) 6G22 STBY IGN ENG 4
S 012-089-N00
(7) Open the fan cowl panels (AMM 71-11-04/201).
S 042-091-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.
(8)
Do this procedure: Thrust Reverser Deactivation for Ground Maintenance (AMM 78-31-00/201).
S 012-090-N00
(9)
Open the core cowl panels (AMM 71-11-06/201).
S 012-092-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU OPEN THE Q
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(10)
Open the thrust reversers (AMM 78-31-00/201).
S 442-019-N00
(11)
Connect the start valve.
(a)
Open this circuit breaker and attach the DO-NOT-CLOSE tag:
1) P6 Main Power Distribution Panel a) 6J18 ENG START AIR CONT
(b)
Remove the caps from the electrical connector, DV351.
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