[Collins] Trimmer Cap Question

[pete wokoun, sr.]

  If you have the 'stiction' problem which happens on at least 1/2 of the 
stuck trimmers you try moving, what happens is the rubbery insulator and 
ceramic separator in it all stick to the top movable piece.  This makes the 
trimmer inoperative.  They can be opened up by sliding the bottom clip off 
the center post and lifting the top piece up.  Separate all the pieces, 
clean them good (I use ethanol or ethyl alcohol) and allow to dry prior to 
reassembly.
  Repairing them is a lot easier than changing them, even IF you can find 
them.  I have found non-original types that someone has replaced the 
original ones with.  These don't have a removable bottom clip and MUST be 
replaced when they become stuck.  I think the 'stiction' comes from 
lubricants or cleaners used around the trimmers that gets into them and 
hardens up with time.
  I am currently looking for a supply of the 8-50 pf ones.  If you have any 
to help me keep Art's rigs running, I sure could use a bunch.  If you do 
change out your originals, send me your old ones!

pete, KH6GRT


>The
>other problem can be that the ceramic parts separate or stick. Then
>replacement is necessary.
>
>

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