S 014-025-N00
(4)
Open the core cowl panel (AMM 71-11-06/201).
S 014-030-N00
WARNING: OBEY THE INSTRUCTIONS IN AMM 78-31-00/201 WHEN YOU OPEN THE
_______ THRUST REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
(5)
Open the thrust reverser (AMM 78-31-00/201).
D.
Remove the Thermocouple Probe for the 2.9 Bleed Valve
S 014-003-N00
(1)
Remove the two nuts that attach the harness lead to the thermocouple probe.
S 034-019-N00
(2)
If the clamp bolt is welded on the bracket, remove the clamp nut from the bracket.
S 034-020-N00
(3)
If the clamp bolt is not welded on the bracket, then remove the bolt from the bracket.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ENGINES WITH 2.9 BLEED ú
75-32-06
VALVE THERMOCOUPLE PROBE ú ú N02 Page 404 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 034-004-N00
(4)
Remove two bolts that attach the bracket and the thermocouple probe to the 2.9 bleed valve.
S 024-005-N00
(5)
Remove the thermocouple probe and the bracket from the 2.9 bleed valve.
S 034-006-N00
(6)
Install the protection cover to the open boss of the 2.9 bleed valve.
TASK 75-32-06-404-007-N00
3. Install the 2.9 Bleed Valve Thermocouple Probe (Fig. 401)
______________________________________________
A. Consumable Materials
(1)
D00390 Oil - Engine
B.
References
(1)
AMM 71-11-04/201, Fan Cowl Panels
(2)
AMM 71-11-06/201, Core Cowl Panels
(3)
AMM 78-31-00/201, Thrust Reverser System
(4)
Location Zone
412 Engine 1 - HPC 1 or 10 o'clock
422 Engine 2 - HPC 1 or 10 o'clock
432 Engine 3 - HPC 1 or 10 o'clock
442 Engine 4 - HPC 1 or 10 o'clock
(5)
Access Panel
415 Left Thrust Reverser Half - Engine 1
416 Right Thrust Reverser Half - Engine 1
425 Left Thrust Reverser Half - Engine 2
426 Right Thrust Reverser Half - Engine 2
435 Left Thrust Reverser Half - Engine 3
436 Right Thrust Reverser Half - Engine 3
445 Left Thrust Reverser Half - Engine 4
446 Right Thrust Reverser Half - Engine 4
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ENGINES WITH 2.9 BLEED ú
75-32-06
VALVE THERMOCOUPLE PROBE ú ú N02 Page 405 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
C. Procedure
S 434-008-N00
(1)
Remove the protection cover from the boss of the 2.9 bleed valve.
S 644-013-N00
(2)
Lubricate two bolts and one clamp bolt with engine oil.
S 424-010-N00
(3)
With two bolts, attach the bracket and the thermocouple probe to the
2.9 bleed valve.
S 434-011-N00
(4)
Tighten the bolts to 85-95 pound-inches (9.6-10.7 newton-meters).
S 434-012-N00
(5)
Attach the harness to the thermocouple probe with the two nuts.
(a)
Tighten the nuts with your hand.
S 434-032-N00
(6)
If the clamp bolt is welded on the bracket, attach the small ground
cable and clamp to the clamp bolt and install the clamp nut on the
中國(guó)航空網(wǎng) www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機(jī)維護(hù)手冊(cè) 大氣 AIR 2(84)
