The smart CZ retailers here don't fully agree with that diagram either.
Lube: +"trigger bar", +hammer pins where it rotates, + bbl lugs, + bbl bushing (tip of bbl), +several pins, - FP , - Extractor .
+ = lightly oil/lube
- = NO oil/lube
Read some of schmecky's posts/stickies in case I added some or forgot others.