Installation and commissioning
MAN marine diesel engines D2868 LE4.. / D2862 LE4..
56
Carefully read through the Operating Instructions before starting any work!
This particularly applies to the General Safety Instructions section
and the safety instructions in the various chapters.
6.8
Tightening torques for threaded connections to Works Standard M 3059
Bolts / nuts with external or internal hex, head without collar or flange
Thread size
x pitch
Strength classifications / tightening torque in Nm
at
8.8 / 8
at
10.9 / 10
at
12.9 / 12
M4
2,5
4,0
4,5
M5
5,0
7,5
9,0
M6
9,0
13,0
15,0
M7
14,0
20,0
25,0
M8
22,0
30,0
35,0
M8x1
23,0
35,0
40,0
M10
45,0
65,0
75,0
M10x1.25
45,0
65,0
75,0
M10x1
50,0
70,0
85,0
M12
75,0
105,0
125,0
M12x1.5
75,0
110,0
130,0
M12x1.25
80,0
115,0
135,0
M14
115,0
170,0
200,0
M14x1.5
125,0
185,0
215,0
M16
180,0
260,0
310,0
M16x1.5
190,0
280,0
330,0
M18
260,0
370,0
430,0
M18x2
270,0
290,0
450,0
M18x1.5
290,0
410,0
480,0
M20
360,0
520,0
600,0
M20x2
380,0
540,0
630,0
M20x1.5
400,0
570,0
670,0
M22
490,0
700,0
820,0
M22x2
510,0
730,0
860,0
M22x1.5
540,0
770,0
900,0
M24
620,0
890,0
1040,0
M24x2
680,0
960,0
1130,0
M24x1.5
740,0
1030,0
1220,0
Summary of Contents for D2868 LE426
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