The RA worm-assembly was removed and set aside. This was done by removing four screws; but not the black centre-screw, as shown...
This might be done before removing the lock-nut.
Let's have a pull-apart, shall we...
There they are, the two plastic washers, and to be discarded, but not before the thickness is measured. It doesn't matter as to the inner and outer diameters, as those will be measured elsewhere.
This, the primary ball-bearing assembly within the RA housing...
I use charcoal-lighter fluid, the type used for grilling food outdoors, to remove the factory-grease. It works a charm...
The parts for the RA-axis cleaned and de-greased, and ready for the next step...
