Dynapac CC1250 - Page 59

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)