Esco hydro safety circuit

[align:left][/align]Does anyone know what the safety circuit consist of in a circa 1963 Esco hydro with 120 volt relays , I do not have prints any help would be a blessing
thank you

Here’s what I have:

https://www.dropbox.com/s/luaghx6ipgty6e4/ESCO_Print_1.pdf?dl=0

https://www.dropbox.com/s/ryysiarukdwo22n/ESCO_Print_2.pdf?dl=0

https://www.dropbox.com/s/67sb56hcr2mz3dq/ESCO_Print_3.pdf?dl=0

https://www.dropbox.com/s/1i8ryil0dozrzbg/ESCO_Print_4.pdf?dl=0

https://www.dropbox.com/s/qxs1bug4kmfrhou/ESCO_Print_5.pdf?dl=0

https://www.dropbox.com/s/avfx6ndb1r2q1r8/ESCO_Print_6.pdf?dl=0

Looks like those prints are from 1992. Maybe they kept the same nomenclature and it still may help.

Safety circuit on my prints is between terminals CP2 and 99, good luck.

thanks very much

PM me your email if ya ever need the "63" prints