Originally Posted by 02Pilot
OK, that's what I suspected. You've got to go in through the front. Looks like you've got the front optical group out. I can't tell from that photo exactly how to proceed next, but basically you need to remove the ring that's marked "Synchro-Compur" - the workings are under that. You've clearly contaminated the glass with oil already, which suggests the blades are as well, so you need to get it apart and service it properly or you'll very likely have recurring problems.
Really can't tell how to take that ring out - not a clue. The glass has oil on the surface that I can wipe and the blades are out and dry, separate from this mechanism. Do you think I still have to find a way to get in? Or should I just flush it with naptha?