Help! Revox parts and quality repar in NYC?LI area

I have a Revox R2R, model PR99 MK III.  It is a wonderful machine, but it is getting tired form all the use.  I think it needs new belts, at least.  More than likely, it needs to be brought back up to spec.  Do any of you know of a good person/place to get this work done?  I live on Long island (NY) and would prefer not to have to ship this very heavy machine.
Thanx,
Mitch