The value of C31 is 45-70pf. Did you notice the coil associated with this cap has a center slug adjustment? It's unusual for the cap to be at fault.
If you have a capacitor problem, to lower the frequency increase capacity, to increase frequency reduce capacity.
Norm
: I NEED TO REPLACE THE C31 OSCILLATOR ON A MODEL 28 RCA.(RIDER 13-31) I GATHER THAT THE 45-70 VALUES GIVEN ON THE SCHEMATIC REFER TO MMFD? I TRIED USING A TRIMMER CAP I HAD LAYING AROUND BUT COULD NOT GET IT TO TRACK AT 15 MC. ANY HELP ON WHAT TO USE HERE?
: THANKS MIKE INGRAM