[Hallicrafters] Grommets for tuning caps

[Roger D Johnson]

RJB wrote:
> I am cleaning up a straight and original but rather grimy SX-71, and would
> like to remove the tuning caps to de-grime them - this raises a perennial
> issue with boat anchors, ie wot the heck do you about those cracked and
> perished gum rubber grommets that sit between the capacitor and the chassis.
> I see AES sells something similar titled "gum rubber chassis mounting
> washers..." for around a buck apiece, in various sizes. I think the SX-71
> would use the 7/8" size.
> 
> Can any of you experienced halli folk comment on these?
> 
> thanks in advance for any help - this is a great list :)
> 
> Bob Bennett, Maple Vly, WA
> 
Hi Bob...

I'm not sure exactly what function these grommets served. All of the
high end receivers I've seen have the tuning capacitor bolted firmly
to the chassis. I replace the old grommets with a stack of washers the
same thichness.

73, Roger

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