[Hallicrafters] RE: Contact Cleaner

[Kevin J Ward]

I worked in avionics for 15 years or more.  Those radios had lots of
switches in them, often ganged with many wafers.  We used Cramolin Spray
exclusively; it contains a lubricant, not surprisingly called Cramolin
Oil.  Some of these radios were tube types from the sixties.  Never had a
problem with switches swelling or developing leakage paths or poor
conductivity.  

We used Lubriplate or Lithium grease in the detent mechanism.  BTW,
Vaseline will absorb moisture from the air.  Don't use it as a grease. 
It's not grease.  

Kevin  N2IE


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