Upright X Series, Service & Parts Manual

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Page 3-25
Maintenance
3.19 - Torque Specifications
X Series Work Platform
Table 3-3: Torque Specifications for Metric Fasteners, U.S. Customary Units
Table 3-4: Torque Specifications for Metric Fasteners, SI Units
Grade 8.8
Grade 10.9 Grade 12.9
Nominal
Thread
Size
Clamp
Load
Tightening Torque
Clamp
Load
Tightening Torque
Clamp
Load
Tightening Torque
K = .15 K = .20 K = .15 K = .20 K = .15 K = .20
mm lbs. in-lbs. in-lbs. lbs. in-lbs. in-lbs. lbs. in-lbs. in-lbs.
3 - - - - - - 823 14.6 19.5
3.5 - - - - - - 1,109 22.9 30.5
4 - - - - - - 1,436 33.9 45.2
5 1,389 41.0 19.5 1,987 58.7 19.5 2,322 68.6 91.2
6 1,966 69.7 28.3 2,813 100.0 28.3 3,287 116.8 155.8
7 2,826 116.8 37.2 4,044 167.3 37.2 4,727 195.6 260.2
ft-lbs. ft-lbs. ft-lbs. ft-lbs. ft-lbs. ft-lbs.
8 3,579 14.1 18.8 5,122 20.1 26.9 5,986 23.6 31.4
10 11,742 27.9 37.2 8,117 39.9 53.3 9,486 46.7 62.3
12 8,244 48.7 64.9 11,797 69.7 92.2 13,787 81.1 108.4
14 11,246 77.4 103.3 16,093 110.6 147.5 18,808 129.1 172.6
16 15,883 125.4 166.7 21,971 173.3 230.9 25,677 202.1 269.2
18 19,424 171.9 229.4 26,869 238.2 317.2 31,401 278.1 371.0
20 2,304 243.4 325.3 34,286 337.8 449.9 40,070 394.6 525.9
22 30,653 331.9 442.5 42,403 458.8 612.2 49,556 536.2 715.4
24 35,711 420.4 562.0 49,400 583.4 778.1 57,733 682.2 909.4
27 46,435 617.3 84.8 64,235 853.4 1138.1 75,069 997.2 1329.8
30 56,753 837.9 1117.4 78,509 1159.4 1545.2 91,751 1354.9 1807.0
33 70,208 1140.3 1520.1 97,121 1576.9 2102.8 113,503 1843.9 2457.5
36 82,651 1464.1 1952.3 114,334 2025.3 2700.9 133,620 2367.6 3156.0
8.8 10.9 12.9
Grade 8.8
Grade 10.9 Grade 12.9
Nominal
Thread
Size
Clamp
Load
Tightening Torque
Clamp
Load
Tightening Torque
Clamp
Load
Tightening Torque
K = .15 K = .20 K = .15 K = .20 K = .15 K = .20
mm N N-m N-m N N-m N-m N N-m N-m
3 - - - - - - 3,660 1.65 2.2
3.5 - - - - - - 4,932 2.59 3.45
4 - - - - - - 6,387 3.83 5.11
5 6,177 4.63 2.2 8,840 6.63 2.2 10,330 7.75 10.3
6 8,743 7.87 3.2 12,512 11.3 3.2 14,623 13.2 17.6
7 12,570 13.2 4.2 17,990 18.9 4.2 21,025 22.1 29.4
8 15,921 19.1 25.5 22,784 27.3 36.5 26,626 32 42.6
10 52,230 37.8 50.5 36,105 54.1 72.2 42,195 63.3 84.4
12 36,670 66 88 52,475 94.5 125 61,328 110 147
14 50,025 105 140 71,587 150 200 83,663 175 234
16 70,650 170 226 97,732 235 313 114,218 274 365
18 86,400 233 311 119,520 323 430 139,680 377 503
20 10,250 330 441 152,513 458 610 178,238 535 713
22 136,350 450 600 188,618 622 830 220,433 727 970
24 158,850 570 762 219,743 791 1055 256,808 925 1233
27 206,550 837 115 285,728 1157 1543 333,923 1352 1803
30 252,450 1136 1515 349,223 1572 2095 408,128 1837 2450
33 312,300 1546 2061 432,015 2138 2851 504,885 2500 3332
36 367,650 1985 2647 508,582 2746 3662 594,368 3210 4279
8.8 10.9
12.9
060571-005