jcb JS70, Service Manual

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Section 1 General Information
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Section 1
1 - 2
Issue 1
General Torque Settings
General Torque Settings
Note 1: The figures quoted are for non-plated fasteners and are to be used only when there is no torque setting specified in
the relevant procedure in this service manual.
Note 2: The 4T grade settings DO NOT APPLY to fasteners used on the engine. If any 4T specification fasteners are found on
the engine, these must be tightened to the figure quoted in the relevant engine manual.
Bolt
Size Strength Grade of Bolt or Stud
4T 8.8 10.9
Nm kgf m lbf ft Nm kgf m lbf ft Nm kgf m lbf ft
M3 0.39 0.04 0.28 - - - - - -
M4 0.78 0.08 0.57 - - - - - -
M5 1.67 0.17 1.2 - - - - - -
M6 2.84 0.29 2.1 8.04 0.82 5.9 11.3 1.15 8.3
M8 7.06 0.72 5.2 19.6 2.00 14.5 27.7 2.82 20.4
M10 14.0 1.43 10.3 39.1 3.99 28.8 55.0 5.61 40.6
M12 24.6 2.51 18.1 68.5 6.98 50.5 96.2 9.81 71
M16 61.9 6.31 45.7 173 17.6 127.6 242 24.7 178.5
M20 122 12.4 90 337 34.4 249 475 48.4 350
M22 167 17.0 123 464 47.3 342 652 66.5 481
M24 210 21.4 155 584 59.5 431 821 83.7 606
M27 311 31.7 229 864 88.1 637 1220 124 900
M30 420 42.8 310 1170 119 863 1650 168 1217
M33 576 58.7 425 1600 163 1180 2260 230 1667
M36 736 75.1 543 2050 209 1512 2880 294 2124
M39 961 98.0 709 2680 273 1977 3760 383 2773
M42 1190 121 878 3300 336 2434 4640 473 3422
M45 1490 152 1099 4140 422 3054 5820 593 4293
M48 1780 182 1312 4960 506 3659 6970 711 5141