Removing the Knobs on the Omni VII
Large VFO Knob
Slide the rubber ring off the knob.
Use a 1/16" allen wrench to loosen the set screw.
Small Knobs
Slide the sliver ring off the knob. (The ring may be tight requiring a small screw driver to pry it off slightly.)
Use a 0.050" allen wrench to loosen the set screw.