Update March 2023: Thanks to Mike K9AJ the 'Owner's Manual for the Wilson WR-1000 (aka Aiga ART-8000) rotator is included in the folder of Aiga/Wilson rotator files. (zip folder : file size 7.4MB)
Update May 2022: sadly the 'E-Ring' retaining clip on the end of the 'Brake Actuator'pin holding the wedge brake worked loose and jammed the mechanism. Before I realised what had happened, the teeth on two of the steel gears in the rotator's 'reduction gear chain' had stripped.
Update November 2022: after learning about spur gear specifications, in particular the term 'module' (or 'modulus') in relation to gears, some suitable replacements were sourced from Bolton Engineering in the UK (a 60 tooth 1.25 module gear and an 18 tooth 1.25 module gear). These are not direct drop-in replacments and some light machining (lathe work and drilling) plus braising (welding) will be required.
New 60 tooth 1.25 module gear and the old damaged gear New 18 tooth gear (+ spare) and the old gear (part of a double gear)
More to follow ....