I’m a CZ nerd, and these are the guides that I’ve personally found indispensable for working on your pistols.
First up is a guide to polishing the internal components of your 75…
- https://forums.brianenos.com/topic/191773-cz-tuning-101-with-professor-atlas/
- https://czfirearms.us/index.php?topic=42537.0
Next up are the actual disassembly and reassembly instructions for the 75 series. Below is a playlist of 6 remarkably detailed videos.