I'm not the brewer, and I'll be straight up about that. I have enough understanding of the process to answer most questions. What I do not know I will ask him and get back to you. So I'll do the best I can without talking to him. He uses a paint brush to clean all parts and get into corners after each compound. I do see something on that timing bar, and it may be powder residue? Hard to tell without looking at it in person.
He was in the middle of running a batch of var when I made him take pics. So he gave it a quick once over to make it look nice. It gets a thorough cleaning after each use and between compounds.
I do not know about the greasing, but I'll ask him.