My technique is slightly different. ?I use DeOxit products on the switch contacts themselves but use a sparing amount of silicon based lubricant (-40 deg to 300 deg F) on the switch shaft contact points, springs, bushings, etc. but not the switch contacts. ?I might be doing the wrong things but they've done a good job on Drake gear I've had for over 30 years. ?Please send flames direct rather than via the reflector.

On Monday, January 27, 2025 at 12:50:46 PM EST, jerry-KF6VB <jerry@...> wrote:

My go-to cleaner for old radios is isopropyl alcohol.? And *lots* of
Q-tips.

If there are ink stamps on the chassis, you might need to be careful -
alcohol
can dissolve ink. If you purge wafer switches, you should re-lubricate
them.
DeOxit D100 excels at this.

? ? ? ? ? ? ? ? ? - Jerry, KF6VB