747-400 AMM 飞机维护手册 STANDARD PRACTICES - ENGINE(32)

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 (4.762) 0.1875 0.500-20  25-30  2.825-3.390  55-60  6.214-6.779
 0.250 0.625-18  25-30  2.825-3.390  55-60  6.214-6.779
 (6.350)
 0.3125
 (7.938) 0.6875-16  30-35  3.390-3.954  65-70  7.334-7.909
 (9.525) 0.375 0.750-16  30-35  3.390-3.954  65-70  7.344-7.909 
0.4375 0.8125-16  45-50  5.085-5.649  90-100  10.169-11.298 
(11.112) 
0.500
(12.700)  0.875-14  55-60  6.214-6.779 110-120  12.428-13.558 
(14.288) 0.5625 1.000-12  60-65  6.779-7.344 120-130  13.558-14.688 
0.625 1.0625-12  65-70  7.344-7.909 130-140  14.688-15.818 
(15.875) 
0.750
(19.050)  1.1875-12  70-80  7.909-9.039 140-160  15.818-18.078 
(22.225) 0.875 1.375-12  75-85  8.474-9.604  150-170  16.948-19.207 
1.000  1.1500-12  100-110  11.298-12.428  200-220  22.597-24.857 
(25.400)
 1.125 
(28.575) 1.625-12  100-110  11.298-12.428  200-220  22.597-24.857 
1.250 (31.750) 1.750-12  100-110  11.298-12.428  200-220  22.597-24.857 
1.500  2.125-12 100-110 11.298-12.428 200-220 22.597-24.857
(38.100) 

L-90036
PWA Flexible Fitting Torque LimitsFigure 205
K28951
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.

CONE SEAT
BULKHEAD FITTING
JAMNUT
CONE SEAT CONNECTOR NUT
L-71047
Cone Seat Connector and Bulkhead Fitting Jamnut Figure 206
K28952
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
S 912-047-N00
 (1)  
Install the crush-gaskets with the continuous surface against the flange of the part that tightens against the seal.

 S 912-048-N00

 (2)  
Turn the part until the surfaces touch.

 S 912-049-N00

 (3)  
Then tighten through the turn-angle in the Figure 212 for the applicable thread pitch.

 K. Ignition Components and Thermocouple System Components
 S 912-050-N00
 (1)  Plug connectors with threads.
 (a)  
If it is necessary, engage the keys in the slots.

 (b)  
Tighten the coupling-ring by hand, until the plug is against the bottom and you can not turn the ring.

 (c)  
On the coupling-rings with a hexagonal shape, continue to tighten them for 45 degrees maximum.

 S 912-051-N00
 (2)  Igniter plugs.
 (a)  You must install the igniter plugs in the engine and tighten them (Ref 74-21-02).

BULKHEAD FITTING
JAMNUT
L-71048
Preformed Packing and Jamnut Connector Figure 207
K28953
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
SION DIMEN-HOSE  INCH DIAMETER TUBE  INCH DIMENSION THREAD  ANTISEIZE LUBRICATEDOIL LUBRICATED STEEL AND TITANIUM FITTINGS TORQUE, POUND-INCHES 
-3  0.1875  0.375 -24  70- 80 50- 60 
-4  0.250  0.4375-20  90- 100 65- 75
-5  0.3125  0.500 -20  135- 150 100-110
-6  0.375  0.5625-18  270- 300 200- 225
- 0.4375  0.625 -18  320- 350 225- 250
- - 0.6875-24  320- 350 225- 250
-8  0.500  0.750 -16  450- 500 340- 375
- 0.5625  0.8125-16  550- 600 400- 450
-10  0.625  0.875 -14  650- 700 475- 525
　
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