He lets me watch and learn, but he is having a wicked busy bit currently. Best bring chocolate biscuits. And phone ahead with your plan, as most stuff he has queued up and stuff that is tweaks he does on arrival. He'll lecture you at length while doing it, best read all his website stuff first, understand the concept of tempered tuning. Don't request anything unless you know why you want it.
Also how are the frets on it? Fret dressing is a kind of bigger job that will likely get queued.