33 Typing Unit

This document, Section 574-122-702TC (Issue 3, September 1971), details the procedures for disassembling and reassembling the Teletype 33 Typing Unit. It includes:

• General Information: Safety warnings, viewing conventions, and techniques for handling self-tapping screws and retaining rings.
• Assembly Instructions: Detailed procedures for removing and installing various mechanisms, including:
  • Ribbon Mechanism
  • Carriage Mechanism
  • Carriage Drive Bail
  • Codebar Mechanism
  • Codebar Reset Bail
  • Spacing Pawl Mechanism
  • Function Lever Mechanism
  • Spacing Drum Mechanism
  • Distributor Trip Shaft Mechanism

The guide features illustrated figures to assist in identifying parts and mechanisms.