[Hallicrafters] Replacing old parts in my Hallicrafters S-76 GC receiver dating to 1952.

[W3HKK at aol.com]

Just finished alignment of the 1650 khz IF with great results.  

Now looking at the  underside of the chassis, I see  4-5 paper caps that are 
cracked on the ends and/or noisy to the touch.    Numerous black beauties 
look just fine to the eye.

Not being a purist, I just want to replace what is bad or going bad, and/or   
likely to fail. So I could use some help in setting reasonable goals and 
understanding why some replacements are needed.  Not looking to unsolder each 
cap/resistor and measure it vs its original rating.  

So, my thoughts/questions  include:

-replacing the 2 line with a 3 line ac cord ( and bypass each side to ground 
with .05 disk ceramics?) 
-fusing the primary of the xfo....and any place else?
- why replace paper caps that "look good" 
-why replace black beauties that look good?
-any  likely spots to look  for  resistors that may have changed value  to a 
degree      
 where it really matters, and should be replaced?
-others suggestions?

Advice is appreciated

de Bob

PS Actually, this is fun , but my fingers keep getting in the way......



My goals are:
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