(2)
AMM 71-11-04/201, Fan Cowl Panels
(3)
AMM 71-11-06/201, Core Cowl Panels
(4)
AMM 71-50-00/501, Engine Wire Harness
(5)
AMM 78-31-00/201, Thrust Reverser System
(6)
Standard Wiring Practices Manual D6-54446
E.
Access
(1)
Location Zones
412 Engine 1
422 Engine 2
432 Engine 3
442 Engine 4
(2)
Access Panels
416 and 417 Thrust Reverser Halves - Engine 1
426 and 427 Thrust Reverser Halves - Engine 2
436 and 437 Thrust Reverser Halves - Engine 3
446 and 447 Thrust Reverser Halves - Engine 4
F.
Prepare to Do the Cable Splice Repair.
S 018-086-N00
(1) Open the fan cowl panels (AMM 71-11-04/201).
S 048-087-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).
(3)
Open the core cowl panels (AMM 71-11-06/201).
S 018-088-N00
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S 018-089-N00
WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(4)
Open the thrust reversers (AMM 78-31-00/201).
S 868-090-N00
(5)
Remove electrical power (AMM 24-22-00/201).
S 868-091-N00
(6)
Make sure the engine was not operated for a minimum of 5 minutes.
S 358-092-N00
(7)
Identify the type of replacement cable necessary to do this repair.
NOTE: Use a cable with the same wire gage, specifications, and
____ insulation color as the damaged engine cable. If the same type cable is not available, use an alternate cable shown in Table 1. You must splice the thermocouple circuits with chromel and alumel wire and splices as applicable.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
~.............................................................................. | ALTERNATE SHIELDED AND UNSHIELDED CABLES | | TABLE 1 | ................................................................................ | FIRST ALTERNATE CABLE: BMS 13-55 Cable, 16, 18, and 20 gage wires | | | | NOTE: Use the first alternate cable only if the initial cable is not |
____ | available. This is a fire resistant cable. | | | ................................................................................ | Type 1 or 2 for unshielded cables, | Type 3 or 4 for shielded cables, | | class and gage size as applicable | class and gage size as applicable | .....................................….......................................... | Class 1 - single conductor cable | | Class 2 - two conductor twisted cable | | Class 3 - three conductor twisted cable | | Class 4 - four conductor twisted cable | ................................................................................ | SECOND ALTERNATE CABLE: BMS 13.31 Cable, 16, 18 and 20 gage wires | | | | NOTE: Use the second alternate cable only if the initial cable or first |
____ | alternate cable is not available. You cannot use the second alternate | | cable in a fire detection circuit or the fuel shutoff circuit. | | | | | 2..............................................................................1
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