MTU Detroit Diesel 183 Series Technical Publication page 131

Task Description
20080/1 E 98-12
Installation and Sealing
If new liners are to be installed, they should be assigned
together with the pistons according to the tolerance-
group coding.
The tolerance-group coding (arrow) is given on the top
liner surface and the piston crown.
Code:
Cylinder liner Þ Piston
(Code letter) (Letter group)
Þ
B
" "
Þ
C
" "
Þ
D
" "
Þ
E
" "
Note
Seal the liner collar as appropriate with a tombac
sealing ring or with sealing agent.
A Sealing with sealing agent
Insert new, dry O-rings for the lower cylinder lining
sealing in the cylinder crankcase.
Insert new sealing rings (1, 2) for the upper cylinder
lining sealing in the cleaned recesses of the lining.
Group
Subgroup
Page
B
" C"
C
"B D"
D
"C E"
E
"D "
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