Dynapac CC1250, Instruction Manual

Page: 59 / 74

53 Maintenance
Table 7-11: Recommended Torques in ft·lb
M-thread
Size
Metric coarse screw thread, bright galvanized (fzb):
8.8 Oiled 8.8 Dry 10.9 Oiled 10.9, Dry 12.9,
Oiled
12.9, Dry
M24 570 640 800 900 960 1080
M30 1130 1260 1580 1770 1900 2100
Table 7-12: Recommended Torques in N·m
M-thread Size
Metric coarse thread, zinc-treated
(Dacromet/GEOMET)
10.9 Oiled 10.9 Dry 12.9 Oiled 12.9 Dry
M6 120 150 146 183
M8 28 36 34 43
M10 56 70 68 86
M12 98 124 117 147
M14 156 196 187 234
M16 240 304 290 360
M20 470 585 560 698
M22 626 786 752 944
M24 800 1010 960 1215
M30 1580 1990 1900 2360
Table 7-13: ROPS Bolts
Bolt dimensions M16 (PN 902889)
Strength class 10.9
Tightening torque 192 Nm, torque class 2
(Dacromet treated)