Here, we are cleaning the polar axis
worm drive assembly. The pipes are part of a lubrication
system for the worm and shaft bearings, which will be
reinstated.
Another view
from above, showing the oil feed pipe onto the worm.
This image below shows the
worm drive assembly, reattached to the polar axis. The
worm wheel has 360 teeth, giving a 360:1 reduction ratio.