Reverse Latch

[DryFly]

I'm doing some remodeling on my 73 Argosy and need to reverse (move 180*) one of the latches on the bathroom window. It looks like I should be able to pound out the pin that holds the latch to in place, but I'm reticent to put a hammer to anything until I know what I'm doing. Suggestions?
Here's a photo

[TG Twinkie]

I would not attempt to remove the handle with it in the window frame. Take the assembly out. Put it on a suitable surface that will give you clearance for the roll pin to be driven out.
Have you looked to see if you can just rotate the latch? I believe there is a nut holding it on the shaft. Don't know of it is a splined shaft. If it is, you can just remove it, rotate it and put it back on.
I know they come apart and can be repaired. So you will have success, I'm sure.