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
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