[K7Sparky]

Look at the bottom of the cap and notice the symbols by each of the 4 leads.
On the side of the cap can you will see the symbols followed by the capacitance and voltage rating of that section.

Note that A,B & C the can is the - side and D bias resistor bypass is the can is + side.

The 10MF is still standard and any WV = or higher is fine

The 3 ea 30 MF are not std, higher is always better in filters so use 47MF = or higher WV

Remove the wires from the can when you install the new caps. A bit of heat shrink over the solder joint and leads is in order.

Some like to gut the can and stuff the new caps inside and reuse the bottom insulator and terminals. Depends if you are a masochist or not

I presume you have grabbed the manual from http://audiophool.com/Philco.html