2maintenance specifications, 1torque specifications, Metric bolt specifications – MacDon PW8 Pick-Up Header User Manual
Page 84: Maintenance specifications, Torque specifications, 2 maintenance specifications, 1 torque specifications
4.2
Maintenance Specifications
4.2.1
Torque Specifications
The following tables give correct torque values for various bolts, cap screws, and hydraulic fittings.
• Tighten all bolts to the torques specified in chart (unless otherwise noted throughout this manual).
• Replace hardware with the same strength and grade bolt.
• Check tightness of bolts periodically, using the tables below as a guide.
• Torque categories for bolts and cap screws are identified by their head markings.
Metric Bolt Specifications
Table 4.1 Metric Class 8.8 Bolts and Class 9 Free
Spinning Nut
Torque (ft·lbf)
(*in·lbf)
Torque (N·m)
Nominal
Size
Min.
Max.
Min.
Max.
3-0.5
*13
*14
1.4
1.6
3.5-0.6
*20
*22
2.2
2.5
4-0.7
*29
*32
3.3
3.7
5-0.8
*59
*66
6.7
7.4
6-1.0
*101
*112
11.4
12.6
8-1.25
20
23
28
30
10-1.5
40
45
55
60
12-1.75
70
78
95
105
14-2.0
113
124
152
168
16-2.0
175
193
236
261
20-2.5
341
377
460
509
24-3.0
589
651
796
879
Figure 4.1
A - Nominal Size
169489
76
Revision A