300TD (123.193) L5-3.0L DSL Turbo (617.952) (1984)
Fig. 21 Control valve cross sectional view
23.
Grease spring (67), Fig. 21, and insert into reaction pistons (12), then insert control valve (6) into steering case (1).
Fig. 42 Steering case, closing cover & O-ring
24.
Replace O-ring (21) on closing cover (10), then knock closing cover into steering case by means of a plastic hammer, Fig 42.
Fig. 43 Steering case, closing cover & locking ring
25.
Install locking ring (22) into steering case (1) in such a manner that the lugs of the ring are exerting pressure on closing cover (10). If required,
knock-in locking ring slightly by means of a mandrel until correctly fitted in groove of steering case, Fig. 43.