Quote Originally Posted by shutterfinger View Post
I charge $65 to CLA this shutter if I tear it down, $75 to correct someone else's misassembly.

The biggest mistake is to put too much oil on the pivots which acts like glue. A just detectable sheen of oil is all that is needed.

A Full Sync Supermatic is a 6 on a scale of 10 in difficulty to service.
Where are you located? Shutter overhaul season will be here soon.