Originally Posted by Steve Smith
Flushing a shutter without subsequently lubricating it properly is a bad idea.
The only reason for flushing a shutter is because it has not been disassembled.
If it's still assembled it cannot be properly lubricated.
Therefore, if it's being flushed it cannot be lubricated, properly or otherwise, by definition.
“Wise men talk because they have something to say; fools, because they have to say something.” - Plato