No data in the public domain.
Which one?
take apart the whole gun
Ask a gunsmith for help
Ask a gunsmith for help or ask the maker for a manual
Best left to a gunsmith
You don't. If it is like the other firearms from Hi-Point the manufacture does not recommend disassembiling the gun. The say something like squirt WD through it and blow it out with an air compressor.
Take it to a gunsmith and ask for help
Can't be answered correctly without knowing who made it.
You can get a manual at S&W's website for free.
go to: forum.m1911.org and ask your question
There are a few, but they tend to be heavier than locked breech guns. Hipoint is the only current brand, off the top of my head.