MTU Detroit Diesel 183 Series Technical Publication page 254

Group 05
Subgroup 4532
Page 8
20080/1 E 98-12
Set feeler of measuring unit with preload on valve seat
centre. Check radial runout of valve seat in relation to
valve guide (see Tolerance and Wear Limits List 05-
4532 or 05-4532a).
Remove valve seat rotating tool, steady rest and pilots.
Task Description