MTU Detroit Diesel 183 Series Technical Publication page 35

General
Tightening torques for banjo screws according to MTN 5183-2
This works standard applies to banjo screws according to MMN 223 and N 15011 sealed with sealing ring DIN
7603-Cu
MMN 223 (4 flow holes)
Tightening torques M are given for banjo screws made of steel (St) with surface protected by a phosphate coating
A
and oiled or galvanised and for banjo screws made of copper-aluminium alloys.
Threads and mating faces beneath heads must be coated with engine oil prior to assembly.
When tightening manually (tightening specifications), an assembly tolerance of +10% of the table values is
permitted for unavoidable deviations of the tightening torque from the table value during the tightening process - e.g.
resulting from inaccurate readings and overtightening during assembly.
Tightening torques = M
A.
Tightening torques for banjo screws made of steel.
Thread
M8 x 1
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
M30 x 1.5
M38 x 1.5
M45 x 1.5
Tightening torques for banjo screws made of copper-aluminium alloys.
Thread
M10 x 1
M16 x 1.5
20080/1 E 98-12
Group
Subgroup
Page
N 15011 (3 flow holes)
Inserted in
Steel/grey cast iron/Al-alloy
M (Nm)
A
10
15
20
25
25
30
60
90
130
140
160
Inserted in
Steel/grey cast iron/Al-alloy
M (Nm)
A
15
30
00
0003
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