33 Typing Unit

This document, Section 574-122-702TC (Issue 3, September 1971), details the disassembly and reassembly of the Teletype Corporation 33 Typing Unit. It provides essential guidelines for technicians, including safety warnings regarding power disconnection and handling of spring-loaded retaining rings. The guide covers major assemblies and mechanisms such as the ribbon, carriage, codebar, spacing, function, platen, form-out, selector, main shaft, and motor. It includes specific step-by-step instructions for removal and replacement of these components, supported by diagrams and part references.