RK05 Disk Drive Maintenance Procedure

This document provides instructions for performing quarterly maintenance on the DEC RK05 Disk Drive, which is part of the Fuel Handling system. The procedure covers the following key areas:

• Cleaning & Inspection: Procedures for inspecting prefilters, checking shock mounts, cleaning the drive, and inspecting read/write heads for contamination or damage.
• Power Supply Checks: Instructions for measuring and adjusting the +5V, +15V, and -15V drive logic voltages, and checking the AC voltage.
• Head Alignment: A detailed process for checking and aligning the read/write heads to Cylinder 105, including oscilloscope settings and the use of the ALIGNX diagnostic program.
• Index/Sector Timing: Procedures for checking and adjusting index/sector timing to ensure proper disk operation.

The document includes safety warnings regarding the sensitive nature of the disk cartridges and the need for precision when making adjustments.