S 412-024-N00
(13)
Close the fan cowl panels (AMM 71-11-04/201).
S 442-025-N00
(14)
Do the activation procedure for the thrust reverser
(AMM 78-31-00/201).
TASK 72-00-00-902-012-N00
3. Replacement of Damaged Conical Seat Connectors______________________________________________
A. General
_______
(1)
This task gives the steps to replace damaged seals in conical seat connectors.
(2)
You can get the correct seal part number for each hose size and thread size from Table 201 or the Voi-Shan catalogue.
B.
Consumable Materials
(1)
D00390 Oil - Engine
(2)
A00456 Compound - Antigalling, Hi-T650, PWA 550
(3)
D00247 Compound - Antigalling, PWA 586
C.
Access
(1)
Location Zone
412 Engine 1 - Engine
422 Engine 2 - Engine
432 Engine 3 - Engine
442 Engine 4 - Engine
D.
Procedure
S 962-018-N00
(1)
Do the steps that follow to replace a Voi-Shan seal (Refer to Table 201).
(a)
Loosen the applicable tube nut.
(b)
Disconnect the tube.
(c)
Clean the mating surfaces of the conical seat.
(d)
Refer to Table 201 to find the correct Voi-Shan seal size and part numbers.
NOTE: The letter "C" in the part number refers to a copper
____ seals, and the "N" refers to nickel seals. For a mixed material assembly (a steel connector with a titanium nut or a titanium connector with a steel nut) use the torque values for antigalling lubricated titanium fittings.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
72-00-00
ALL ú ú N01 Page 213 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
~............................................................................... | TABLE 201 | | 37 DEGREES CONE SEAT CONNECTORS WITH NICKEL GASKETS | ................................................................................. | | TUBING | SEAL PN | TORQUE IN POUND-INCHES (NEWTON-METERS) | | HOSE | OUTER | (SEAL ................................................. | SIZE | DIAMETER | MATERIAL) | 1) OIL LUBRICATED STEEL | ANTIGALLING | | | /THREAD | | FITTINGS OR 2) ANTIGALLING | LUBRICATED STEEL | | | SIZE | |LUBRICATED TITANIUM FITTINGS| FITTINGS | ................................................................................. | .3 | 0.1875/ |VSF1015C-3 | 50-60 | 40-45 | | |0.375-24 |VSF1015N-3 | (5.649-6.779) | (4.519-5.084) | ................................................................................. | -4 | 0.250/ |VSF1015C-4 | 90-100 | 65-75 | | |0.4375-20 |VSF1015N-4 | (10.169-11.298) | (7.344-8.474) | ................................................................................. | -5 | 0.3125/ |VSF1015C-5 | 1) 135-150 (15.253-16.948) | 100-110 | | |0.500-20 |VSF1015N-5 | 2) 120-135 (13.558-15.253) | (11.298-12.428) | ................................................................................. | -6 | 0.375/ |VSF1015C-6 | 1) 200-220 (22.597-24.857) | 150-165 | | |0.5625-18 |VSF1015N-6 | 2) 135-150 (15.253-16.948) | (16.948-18.642) | | .......................................................................... | | 0.4375/ |VSF1015C-7 | 250-270 | 185-200 | | |0.625-18 |VSF1015N-7 | (28.246-30.506) | (20.902-22.597) | ................................................................................. | -8 | 0.500/ |VSF1015C-8 | 350-400 | 270-300 | | |0.750-16 |VSF1015N-8 | (39.545-45.194) | (30.506-33.895) | | .......................................................................... | | 0.562/ |VSF1015C.9 | 400-450 | 300-350 | | |0.8125-16 |VSF1015N-9 | (45.492-50.843) | (33.985-39.545) | ................................................................................. | -10 | 0.625/ |VSF1015C.10 | 500-550 | 360-400 | | |0.875-14 |VSF1015N.10 | (56.492-62.142) | (40.675-45.194) | | .......................................................................... | | 0.656/ |VSF1015C-10.5| 550-600 | 420-460 | | |0.9375-12 |VSF1015N-10.5| (62.142-67.791) | (47.454-51.973) | | .......................................................................... | | 0.688/ |VSF1015C-11 | 600-700 | 480-530 | | |1.000-12 |VSF1015N-11 | (67.791-79.809) | (54.233-59.882) | 2......…..........….............…............................…..................1
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本文链接地址：747-400 AMM 飞机维护手册 发动机 ENGINE 1(22)
