MTU 12V4000G34F Operating Instructions Manual page 243

Tightening torques for male connectors as per MTN 5183-3 standard
This standard applies to male unions to DIN 2353 Series L with threaded end to DIN 3852 Form A (sealed by
sealing ring to DIN 7603-Cu).
Tightening torques M are given for male unions made of steel (St) with phosphatized surface coating and
A
oiled, or galvanized.
Threads and mating faces beneath heads must be coated with engine oil prior to assembly.
An assembly tolerance of +10% of the figures in the table is permitted due to unavoidable deviations during
the tightening process.
Thread
M10 x 1
M12 x 1.5
M14 x 1.5
M16 x 1.5
M18 x 1.5
M22 x 1.5
M26 x 1.5
M32 x 2
M42 x 2
M48 x 2
M = tightening torques
A
inserted in steel/gray cast iron M
(Nm)
15
20
35
50
60
70
100
160
260
320
MS15060/01E 2018-12 | Appendix A | 243
A