747-400 AMM 飞机维护手册 STANDARD PRACTICES - ENGINE(31)

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0.138 -32  12- 14  9- 11 1.356- 1.582  1.017- 1.243 
0.164 -32  23- 26  18- 20 2.599- 2.938  2.034- 2.260 
0.164 -36  25- 28  20- 22 2.825- 3.164  2.260- 2.486 
0.190 -24  32- 35  24- 27 3.616- 3.954  2.712- 3.051 
0.190 -32  36- 40  27- 30 4.067- 4.519  3.051- 3.390 
0.216 -24  48- 54  36- 40 5.423- 6.101  4.067- 4.519 
0.216 -28  50- 56  40- 44  5.649- 6.327  4.519- 4.971 
0.250 -20  74- 82  55- 62 8.361- 9.265  6.214- 7.005 
0.250 -28  85- 95  62- 72  9.604-10.734  7.005- 8.135 
0.3125-18  160-175  115-130  18.078-19.772  12.993-14.688 
0.3125-24  180-200  125-140  20.337-22.597  14.123-15.818 
0.375 -16  270-300  200-220  30.506-33.895  22.597-24.857 
0.375 -24 290-325 225-250  32.766-36.720  25.422-28.246 

THE THREAD LOCK. METERS) MINIMUM, PLUS THE TORQUE THAT IS NECESSARY TO TURN THE SCREW THROUGH SLOT (NO EXTERNAL WRENCH SHAPE). TIGHTEN TO 22 POUND-INCHES (2.486 NEWTON-THAT IS LARGER THAN 0.164 INCH (4.166 MILLIMETERS) AND WITH ONLY A SCREWDRIVER *THE PROCEDURE THAT FOLLOWS IS PERMITTED FOR THE SCREWS WITH A THREAD DIMENSION 

L-64892
Torque for the Self-Locking Nuts, Bolts, and Heli-Coils
Figure 203

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
K28949
H.  2) Loosen the part. 3) Tighten the part to the torque limit.Cone-Seat Connectors (Fig. 206)
 (1)  S 912-043-N00Use the torque limits in the Figure 208 and Figure 209 for the cone-seat connectors (37 degree) without a gasket.
 I.  S 912-044-N00 (2) Do not tighten more than the torque limits to stop leakage. (a) Disassemble and examine the fitting for the nicks, burrs, and dirt. (b) If it is necessary, use a new part.Jamnuts (Fig. 207)
 (1)  S 912-045-N00Use the torque limits in the Figure 210 and Figure 211 for the steel and aluminum jamnuts (locknuts). (a) The tube and hose connections use these jamnuts.
 J.  S 912-046-N00 (2) Install and align the tube or the hose on the elbow fitting. (a) Tighten the jumnuts.Asbestos-Filled Crush-Gaskets (Fig. 212) 

THREAD DIMENSION INCH  TORQUE, POUND-INCHES  TORQUE NEWTON-METERS 
OIL LUBRICATED MIN MAX ANTISEIZE LUBRICATED MIN MAX  OIL LUBRICATED MIN MAX  LUBRICATED ANTISEIZE MIN MAX 

0.250-28  15-20  10-13  1.695-2.260  1.130-1.469
0.3125-24  35-40  23-26  3.954-4.519  2.599-2.938
0.375-24  40-50  26-33  4.519-5.649  2.938-3.728
0.4375-20  65-75  42-49  7.344-8.474  4.745-5.536
0.500-20  90-100  58-65 10.169-11.298  6.553-7.344
0.5625-18  110-120  70-80 12.428-13.558  7.909-9.039 
0.625-18  150-170  95-110  16.948-19.207  10.734-12.428 
0.750-16  200-225  130-145  22.597-25.422  14.688-16.383 
0.8125-16  225-250  145-160  25.422-28.246  16.383-18.078 
0.875-14  250-275  160-175  28.246-31.071  18.078-19.772 
1.000-12  275-300  175-190  31.071-33.895  19.772-21.467 
1.0625-12 375-425 240-270 42.369-48.019  27.116-30.506 

L-90035
Hexhead Straight-Thread Fittings and Plugs Figure 204
K28971
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
DIA INCH TUBE (mm)  DIMENSION THREAD  FOR 75 DUROMETER A 7267,7273, or 7276 PACKINGS: AMS 7260,  FOR 77 DUROMETER C (100 DUROMETER A) PACKINGS: PWA401 
TORQUE, POUND-INCHES  TORQUE, NEWTON-METERS  TORQUE, POUND-INCHES  TORQUE, NEWTON-METERS 
0.125
 (3.175) 0.4375-24  25-30  2.825-3.390  55-60  6.214-6.779
　
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