S 600 (140.057) V12-6.0L (120.982) (1998)
15. Replace O-rings (5b).
16. Replace O-ring (4f) and shaped wedge (4g) in housing.
Check radial seal ring (4e), replace if required.
NOTE:
If oil escapes from the servo circuit to the level Circuit or vice versa. the cause is in the radial seal ring (4e).
17. Withdraw radial seal ring (4e) with internal extractor 000 589 33 33 00. Check bronze bush in housing (4) for damage and wear, replace if
required
18. Remove flow Control valve (2c) and Compression spring (2j) from pump housing (2).
CAUTION: When removing the locking ring (2a), ensure that the housing bore is not damaged.