On page 72 of the Spare Parts Catalog is shown the steering box:
I disassemble it, cleaned, verified the parts, assembled it back and greased it.
The bar (11) has to be installed like this:
The washer (18) has to be installed like this:
The flange (21) has to be installed like this:
To adjust the play of the steering wheel, loose the bolts (23) and:
- turn the eccentric bushing to clear the radial gap
- loose nut (8) and turn bolt (7) to clear the axial gap
Tight back everything and use the grease nipple to grease the steering box (turn the steering wheel to the maximum left while greasing).