Workshop Manual

2
10 Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green
400 Series
Standard torques
Most of the torque tensions on the engine are standard. Special torque tensions are listed in the separate
specific torque tables. The standard torque tensions listed in the tables below can be used when a specific
torque is not necessary.
The torque tensions below apply to components lubricated lightly with clean engine oil before they are fitted.
Standard torques for setscrews and nuts
Thread size Strength
Coarse thread Fine thread
Pitch
mm
Torque Torque Torque
Pitch
mm
Torque Torque Torque
Nm lbf ft kgf m Nm lbf ft kgf m
M 4
8.8
11T
0,7
3
4
2
3
0,3
0,4
----
M5
8.8
11T
0,8
6
8
4
6
0,6
0,8
----
M6
8.8
11T
1,0
10
14
7
10
1,0
1,4
----
M8
8.8
11T
1,25
26
32
19
24
2,7
3,3
1,0
30
35
22
26
3,0
3,6
M10
8.8
11T
1,5
50
62
37
46
5,1
6,3
1,25
56
66
41
49
5,7
6,7
M12
8.8
11T
1,75
75
104
55
77
7,6
10,6
1,25
84
113
62
83
8,6
11,5
M14
8.8
11T
2,0
118
157
87
116
12,0
16,0
1,5
132
167
97
123
13,5
17,0
M16
8.8
11T
2,0
167
230
123
170
17,0
23,4
1,5
175
245
129
181
17,8
25,0
Bolt strength Examples of applicable material
8.8
11T
S45C
SCM435