Yeah I'm sorry for the poor-quality picture. the pulley is on top of the far column in this picture. Its huge. The belt loops around it and connects it to the motor.
Thanks for the reply. I hope to gain access to take better pictures. That giant pulley on the top seems unique, I haven't seen any other lift on the internet that has that.
I was asked to move and re-set up this lift. I've been unable to find any information on it. Its electro-mechanical (no hydraulics) and employs a screwshaft in each column that are connected by a chain that lives under the base plate. The holes in the baseplate are slotted which i assume is how...