09-26-2015, 05:55 PM
Philco had a special tool for the trimmers. Here's a thread on it and a tool I made. Folks often just warm up the end of of a bic pen and squish it over a nut to form a tool.
"Aligning Philco Receivers" by John Riders lists 460 khz .
"Aligning Philco Receivers" by John Riders lists 460 khz .