[Elecraft] K3/0-mini disassembly

[Scott Townley]

I have a K3/0-mini that I removed the rear bail from.  Basically I 
unscrewed the four screws, cracked open the case just a bit, and shook 
all the internal hardware (nuts/washers) out, and buttoned it back up.
Now I want to put the bail back on.  I've gotten the case fully opened 
up (two halves), but I'm having a challenge with the PCB that's attached 
to the rear half.  It appears those four black "nubs" that you can see 
on the back are some sort of nylon standoff that's being used for 
stiffening the PCB.  But it's not obvious to me how to remove them or 
otherwise disengage them.  Of course I'd prefer to do this without 
destroying them and leaving four holes in the back.
Any suggestions?
TIA,
Scott NX7U

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Scott NX7U