Taiwanese Mill Drills badged as Naerok, Warco, Nu-Tools, Sealey, Whitecote, Excel, Draper and Ajax, etc. . Although not machine-specific in content, it covers the the "Minor", "Major" and similar variants and, being a double-edition manual, it should help with most versions.
This page displays all the content on the website associated with the 'RF-30' model. Numeric models include all prefixes, such as 'Number', 'Mark', 'Size' etc.
Manuals for Model: RF-30
RF-30 Miller-Driller. Instruction Manual and Parts as Exploded Component Drawings.