RK05 Annual Procedure

This document, BGA-CMP-63591-017, provides detailed instructions for performing the annual maintenance on RK05 disk drives. The procedure includes:

• Cleaning and Inspection: Detailed steps for cleaning the interior, replacing filters, inspecting the spindle and drive motor pulleys, and checking linear positioner bearings.
• Servo System Adjustments: A comprehensive guide to using an oscilloscope and the ALIGNX diagnostic program to calibrate the servo system. This covers adjustments for Sine/Cosine amplitude and offset, velocity amplitude and offset, acceleration (positioner current), and limit signal adjustments.
• Alignment Program: An overview of the ALIGNX alignment program and how to use the computer's switch register to control tests.

The guide emphasizes safety precautions to avoid shorting backplane pins and damaging sensitive components. It also includes reference tables for potentiometers and their specific functions.