Please start by telling us a model 213 WHAT. Good questions make for good answers.
You can request a manual from Colt.
take bolt off
Ask a gunsmith for help
Best to ask a gunsmith for help
There is no "field stripping" per se. Open the action and clean with rod/brushes/patches.
You would best be served by asking a gunsmith for help
See manual here:http://stevespages.com/pdf/colt_all_american_2000.pdf
You can request a manual at the Smith and Wesson web site.
Recommend you ask a gunsmith for assistance. Not something to do on your own with no experience.
That would depend entirely on the model weapon you are asking for information. Thomspon has manufactured many weapons.
Without telling us what model and who made it, the question can't be answered accurately.
You can request a manual on the S&W website. You can ask a gunsmith for help.