MTU 12V2000M93 Operating Instructions Manual page 25

Tightening torques for male unions to 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
A
and 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
M015655/05E 2015-06 | General Information | 25
A
(Nm)
15
20
35
50
60
70
100
160
260
320