gobo rotators

I have a simple single unit that doesn't seem to respond to power at all. Any recommendations before i disassemble this thing?

Greetings, everyone. Our theater is doing a production of 'Outside Mullingar' and, since it's in Ireland, we need rain. I plan to rent a gobo rotator, and maybe use suspended fishing line with light sweeping down it. Anyone used either of these techniques, and, if so, how did they work out. GAM...