MTU Detroit Diesel 183 Series Technical Publication page 256

Group 05
Subgroup 5542
Page 2
20080/1 E 98-12
Removal/installation
Clamp rocker shaft support (use protective jaws).
Release locknuts (5) and remove valve setting screws
(4).
Installation instructions
Tighten locknut (5) after adjusting valve, 50 Nm.
Remove snap ring (1) for rocker arm.
Remove washer (2) and rocker arm (3).
Clean all components thoroughly and check for wear.
(see Tolerance and Wear Limits List 05-5542).
Note
Rocker shaft supports are supplied ex-works ready for
installation with balls installed and rocker arms with
bushes.
Install in reverse order.
Task Description