DEC-RK05-IPB-1

This document is an Illustrated Parts Breakdown (IPB) for the Digital Equipment Corporation (DEC) RK05 Disk Drive, published in 1973.

Its primary purpose is to provide a comprehensive guide for identifying and ordering replacement parts and assemblies for the RK05 Disk Drive.

Key features and content include:

1. Major Assembly Locator: An initial overview diagram that acts as an index to the main sub-assemblies within the disk drive.
2. Detailed Diagrams: Numerous figures illustrating exploded views and detailed diagrams of the RK05 Disk Drive and its various major sub-assemblies (e.g., Linear Positioner, Head Position Servo Power Amplifier, DecPack Motor Relay Board, Power Supply, Regulator Assemblies). Parts in these diagrams are numbered for easy reference.
3. Indented Parts Lists: Corresponding to each illustration, these lists provide detailed information for every component. The hierarchical structure is indicated by asterisks (* for parts of major assemblies, ** for parts of sub-assemblies, etc.).
4. Part Information: For each listed part, the document provides:
   • A textual description.
   • The DEC Part Number.
   • "ECO Cut-In" level (Engineering Change Order) to track modifications.
   • "Used On Code" for parts specific to certain option variations.
   • Vendor Code and Part Number for non-stocked items.
   • Cross-references to other figures for further breakdown ("Ref Fig No.").
5. "How to Use the IPB" Section: A critical section explaining all the conventions, symbols (like S for screws, W for washers, @ for attaching hardware, NFR for not field repairable), and organizational methods used throughout the manual.
6. Revision History: A table tracking different printings and ECO levels.

In essence, the document serves as an essential reference for maintenance, repair, and understanding the internal structure of the RK05 Disk Drive by meticulously detailing its components and their identifying information.