Hey Doug,
If you get stuck and cannot find originals, you can take a USB with the files below to Officeworks and they will print and bind copies for you.
Bally_1992_The_Addams_Family_Operations_Manual_January_1992_includes_schematics_OCR_searchable.pdf (ipdb.org)
Bally_1992_The_Addams_Family_Operator_s_Handbook_January_1991_OCR_searchable_has_lamp_and_switch_matrices.pdf (ipdb.org)
Bally_1992_The_Addams_Family_WPC_Schematic_Manual_January_1992_OCR_searchable.pdf (ipdb.org)
Good luck.