300D (124.133) L6-3.0L DSL Turbo (603.960) (1987)
20. Check radial seal ring (27) in the housing. If oil from the high-pressure system is found in the servo circuit or vice versa, the cause may be the
radial seal ring (27).
21. Pull out radial seal ring and washer (28) with internal extractor 000 589 33 33 00. Examine bronze bush in housing (4) for signs of damage and
wear, replace housing if necessary.
22. Remove locking ring (34a).
CAUTION: When removing locking ring, ensure that the housing bore is not damaged.
23. Take flow control valve (32) and compression spring (30) out of the pump housing (2).