I thought I would start by fixing the slew problem.
I am finding no technical information anywhere so I'm hoping someone here can help.
The problem appears to be slippage between the worm gear and the fork. I have good movement from the slew motor through the gears and to the worm and worm gear. But the fork is not moving. Is there an adjustment, a clutch I need to tighten?
I can see 3 set screws I can access through this port: