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STANDARD BOLT AND NUT TIGHTENING TORQUE Thread size Standard tightening torque Nominal bolt diameter (mm) Pitch Head mark "4" Head mark "7" Head mark "8" M5 0.8 2.5 ± 0.5 N·m (23 ± 4 in- 5.0 ± 1.0 N·m (44 ± 9 in- 6.0 ± 1.0 N·m (53 ± 9 in- M6 1.0 5.0 ± 1.0 N·m (44 ± 9 in- 8.5 ± 1.5 N·m (76 ± 13 10 ± 2 N·m (89 ± 17 in- M8 1.25 11 ± 2 N·m (98 ± 17 in- 20 ± 4 N·m (15 ± 3 ft-lb) 24 ± 4 N·m (18 ± 3 ft-lb) M10 1.25 23 ± 4 N·m (17 ± 3 ft-lb) 42 ± 8 N·m (31 ± 6 ft-lb) 53 ± 7 N·m (39 ± 5 ft-lb) M12 1.25 42 ± 8 N·m (31 ± 6 ft-lb) 80 ± 10 N·m (59 ± 7 ft-lb) 93 ± 12 N·m (68 ± 9 ft-lb) M14 1.5 70 ± 10 N·m (52 ± 7 ft-lb) 130 ± 20 N·m (96 ± 15 ft- lb) 150 ± 20 N·m (111 ± 14 M16 1.5 105 ± 15 N·m (78 ± 11 ft- 195 ± 25 N·m (144 ± 18 230 ± 30 N·m (170 ± 22 M18 1.5 150 ± 20 N·m (111 ± 14 290 ± 40 N·m (214 ± 29 335 ± 45 N·m (247 ± 33 M20 1.5 210 ± 30 N·m (155 ± 22 400 ± 60 N·m (295 ± 44 465 ± 65 N·m (343 ± 48 M22 1.5 290 ± 40 N·m (214 ± 29 540 ± 80 N·m (398 ± 59 630 ± 90 N·m (465 ± 66 M24 1.5 375 ± 55 N·m (277 ± 40 705 ± 105 N·m (520 ± 77 820 ± 120 N·m (605 ± 88 FLANGE BOLT AND NUT TIGHTENING TORQUE Thread size Standard tightening torque Nominal bolt diameter (mm) Pitch Head mark "4" Head mark "7" Head mark "8" M6 1.0 5.0 ± 1.0 N·m (44 ± 9 in- 10 ± 2 N·m (89 ± 17 in- 12 ± 2 N·m (107 ± 17 in- M8 1.25 13 ± 2 N·m (111 ± 22 in- 24 ± 4 N·m (18 ± 3 ft-lb) 28 ± 5 N·m (20 ± 4 ft-lb) M10 1.25 26 ± 5 N·m (19 ± 4 ft-lb) 50 ± 5 N·m (37 ± 4 ft-lb) 58 ± 7 N·m (43 ± 5 ft-lb) M10 1.5 25 ± 4 N·m (18 ± 3 ft-lb) 46 ± 8 N·m (34 ± 6 ft-lb) 55 ± 5 N·m (41 ± 3 ft-lb) M12 1.25 47 ± 9 N·m (35 ± 6 ft-lb) 93 ± 12 N·m (68 ± 9 ft- lb) 105 ± 15 N·m (78 ± 11 M12 1.75 43 ± 8 N·m (32 ± 6 ft-lb) 83 ± 12 N·m (61 ± 9 ft- lb) 98 ± 12 N·m (72 ± 9 ft- LUBRICATION AND MAINTENANCE M10001000012USA0000010000 Maintenance and lubrication service recommendations have been compiled to provide GENERAL <BODY AND CHASSIS> 00-49 LUBRICATION AND MAINTENANCE |