MTU 12V4000G34F Operating Instructions Manual page 240

Tightening torques M
coating 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.
Tightening torques for plug screws to DIN 908, DIN 910 and DIN 7604A (with short threaded end).
M10 x 1
M12 x 1.5
M14 x 1.5
M16 x 1.5
M18 x 1.5
M20 x 1.5
M22 x 1.5
M24 x 1.5
M26 x 1.5
M27 x 2
M30 x 1.5
M30 x 2
M33 x 2
M36 x 1.5
M38 x 1.5
M42 x 1.5
M45 x 1.5
M48 x 1.5
M52 x 1.5
M56 x 2
240 | Appendix A | MS15060/01E 2018-12
are given for screw plugs made of steel (St) with surface protected by a phosphate
A
Thread
screwed into
Steel/gray cast iron M
A
(Nm)
15
25
35
40
50
60
70
85
100
100
110
120
160
190
220
260
290
310
325
380
AI alloy M
A
(Nm)
15
25
30
35
40
50
70
80
100
100
110
120
160
180
200
240
270
300
320
360