MTU 16V4000M*3 series Operating Instructions Manual page 33

Tightening torques M are given for screw plugs made of steel (St) with surface protected by a phosphate
A
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).
Thread
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
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
MS15035/00E 2018-08 | General Information | 31
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