75-24-00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 016-011-N00
(17)
Remove segment No. 7 of the fan exit lining (AMM 72-34-03/401).
S 216-047-N00
(18)
ENGINES WITHOUT PHASE 3; Visually examine the control valve for HPC secondary flow and the TVBCA valve solenoid to see if they are attached correctly.
S 216-048-N00
(19)
ENGINES WITH PHASE 3; Visually examine the TVCA valve and the TVBCA/TVCA valve solenoids to see if they are attached correctly.
(a)
If the solenoid is loose, tighten the bolts that hold the solenoid (AMM 75-33-03/401).
S 416-013-N00
(20)
Install segment No. 7 of the fan exit lining (AMM 72-34-03/401).
F.
Return the Aircraft to its Usual Condition
S 416-037-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.
(1)
Close the thrust reversers (AMM 78-31-00/201).
S 416-038-N00
(2)
Close the core cowl panels (AMM 71-11-06/201).
S 416-039-N00
(3)
Close the fan cowl panels (AMM 71-11-04/201).
S 446-040-N00
(4)
Do the activation procedure for the thrust reversers
(AMM 78-31-00/201).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
TASK 75-24-00-206-043-N00
3. Do a Check of the TCC Control System
____________________________________
A. References
(1)
AMM 71-11-04/201, Fan Cowl Panels
(2)
AMM 71-11-06/201, Core Cowl Panels
(3)
AMM 75-24-00/501, Turbine Cooling System
(4)
AMM 75-24-03/401, HPT Case Cooling Air Shutoff Valve
(5)
AMM 75-24-04/401, LPT Case Cooling Air Shutoff Valve
(6)
AMM 75-24-05/401, Turbine Case Cooling Air Valve Actuator
(7)
AMM 75-24-11/401, Turbine Case Cooling Air Valve Control Cable
(8)
AMM 78-31-00/201, Thrust Reverser System
(9)
IPC 75-24-00 Fig. 5
(10)
IPC 75-24-00 Fig. 10
(11)
IPC 75-24-00 Fig. 15
(12)
IPC 75-24-03 Fig. 1
(13)
IPC 75-24-03 Fig. 5
(14)
IPC 75-24-03 Fig. 10
(15)
IPC 75-24-04 Fig. 1
(16)
IPC 75-24-05 Fig. 1
(17)
IPC 75-24-07 Fig. 1
(18)
IPC 75-24-09 Fig. 1
(19)
IPC 75-24-09 Fig. 5
(20)
IPC 75-24-11 Fig. 1
(21)
IPC 75-24-51 Fig. 2
(22)
IPC 75-33-04 Fig. 1
B.
Access
(1)
Location Zone
412 Engine 1 - HPC Case to LPT Case
422 Engine 2 - HPC Case to LPT Case
432 Engine 3 - HPC Case to LPT Case
442 Engine 4 - HPC Case to LPT Case
(2)
Access Panel 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
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
C. Prepare to Do a Check of the TCC Control System
S 046-042-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.
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