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Those .005@6000V are in the sweep circut, and are known for going bad, even early in the life if these sets, they were usually the cause for their failure, and instead of getting the set fixed, most people wanted a bigger TV now available, so they were put into the attic, with almost no life on the other parts or CRT.
When those caps go leaky, there will be no deflection, horizonal or vertical, so you get the dot in the center of the screen. Since this is an electrostatic deflection set (no yolk), these caps are needed, though I'm sure somebody out there can explain why much better than I could. Sometimes, the caps will cause beam to be deflected off the screen, giving the impression that the CRT is bad.
I would also try to avoid the blue ceramic caps, espically in the deflection circuts, since they are known for causing jittering pictures that you can't get to stand still.
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