Case DV209C, Руководство по обслуживанию

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INTRODUCTION
Torque
• Confirm regularly that bolted connections have not come loose.
• Use torque wrenches for tightening.
• If a special torque is needed, it is mentioned in the section.
TIGHTENING TORQUE Thread size
For screws
8.8 (8G)
For srews
10.9 (10K)
M6 10 N·m ( 7.4 lb ft ) 14 N·m ( 10.3 lb ft )
M8 24 N·m ( 17.7 lb ft ) 34 N·m ( 25.1 lb ft )
M8x1 19 N·m ( 14.0 lb ft ) 27 N·m ( 19.9 lb ft )
M10 48 N·m ( 35.4 lb ft ) 67 N·m ( 49.4 lb ft )
M10x1.25 38 N·m ( 28.0 lb ft ) 54 N·m ( 39.8 lb ft )
M12 83 N·m ( 61.2 lb ft ) 117 N·m ( 86.3 lb ft )
M12x1.25 66 N·m ( 48.7 lb ft ) 94 N·m ( 69.3 lb ft )
M14 132 N·m ( 97.4 lb ft ) 185 N·m ( 136.4 lb ft )
M14x1.5
106 N·m ( 78.2 lb ft ) 148 N·m ( 109.2 lb ft )
M16 200 N·m ( 147.5 lb ft ) 285 N·m ( 210.2 lb ft )
M16x1.5 160 N·m ( 118.0 lb ft ) 228 N·m ( 168.2 lb ft )
M18 275 N·m ( 202.8 lb ft ) 390 N·m ( 287.6 lb ft )
M18x1.5 220 N·m ( 162.3 lb ft ) 312 N·m ( 230.1 lb ft )
M20 390 N·m ( 287.6 lb ft ) 550 N·m ( 405.6 lb ft )
M20x1.5 312 N·m ( 230.1 lb ft ) 440 N·m ( 324.5 lb ft )
M22
530 N·m ( 390.9 lb ft ) 745 N·m ( 549.5 lb ft )
M22x1.5 425 N·m ( 313.5 lb ft ) 590 N·m ( 435.2 lb ft )
M24 675 N·m ( 497.9 lb ft ) 950 N·m ( 700.7 lb ft )
M24x2 540 N·m ( 398.3 lb ft ) 760 N·m ( 560.5 lb ft )
M27 995 N·m ( 733.9 lb ft ) 1400 N·m ( 1032.6 lb ft )
M27x2 795 N·m ( 586.4 lb ft ) 1120 N·m ( 826.0 lb ft )
M30 1350 N·m ( 995.7 lb ft ) 1900 N·m ( 1401.4 lb ft )
M30x2 1080 N·m ( 796.6 lb ft ) 1520 N·m ( 1121.1 lb ft )
The values given in the table are torques at dry thread (at coefficient of friction = 0.14). These values do not apply to
greased thread.
Table with torques of cap nuts with O-ring - hoses
Tightening torques for cap nuts with O-ring - hoses
Size wrench Thread size Hose Nominal Min Max
14 12x1.5 6
20 N·m ( 14.8 lb
ft )
15 N·m ( 11.1 lb
ft )
25 N·m ( 18.4 lb
ft )
17 14x1.5 8
38 N·m ( 28.0 lb
ft )
30 N·m ( 22.1 lb
ft )
45 N·m ( 33.2 lb
ft )
8
19 16x1.5
10
45 N·m ( 33.2 lb
ft )
38 N·m ( 28.0 lb
ft )
52 N·m ( 38.4 lb
ft )
10
22 18x1.5
12
51 N·m ( 37.6 lb
ft )
43 N·m ( 31.7 lb
ft )
58 N·m ( 42.8 lb
ft )
24 20x1.5 12
58 N·m ( 42.8 lb
ft )
50 N·m ( 36.9 lb
ft )
65 N·m ( 47.9 lb
ft )
14
27 22x1.5
15
74 N·m ( 54.6 lb
ft )
60 N·m ( 44.3 lb
ft )
88 N·m ( 64.9 lb
ft )
30 24x1.5 16
74 N·m ( 54.6 lb
ft )
60 N·m ( 44.3 lb
ft )
88 N·m ( 64.9 lb
ft )
32 26x1.5 18
105 N·m ( 77.4 lb
ft )
85 N·m ( 62.7 lb
ft )
125 N·m ( 92.2 lb
ft )
47772910 15/12/2014
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