MTU Detroit Diesel 183 Series Technical Publication page 230

Group 05
Subgroup 3731
Page 2
20080/1 E 98-12
Check
Clean valve guides with valve guide cleaning brush.
Measure valve guides with plug gauge (1).
If end of plug gauge (1) marked with "+" fits into valve
guide, valve guide must be replaced.
Replace valve guides in cylinder head if measurements,
or the clearance between valve and guide, exceed or
are below the limits in the Tolerance and Wear Limits
List 05-3731.
Removal
Clamp cylinder head in position.
Drive valve guides out of cylinder head from the
combustion side.
Mandrel 403 589 00 15 00
Installation
Recondition bore in cylinder head with adjustable
reamer
(part No. 000 589 17 53 00) to next biggest dimension
See Tolerance and Wear Limits List for limit values
(05-3731).
Task Description