[GreenKeys] 28 ASR TD base (LCXB) isolation parts

[Nick England]

Paul has NOS rubber parts that feel very pliable. Old used ones can be
brittle.
Part of the mod is to add spacers (3/32?) between the rails and the LAK
deck to bring the shafts into alignment.
Is it worth doing? No idea as the two ASRs I have restored already had it
done.
Nick

On Sat, Aug 22, 2020 at 12:17 AM John, W9DDD <w9ddd at tapr.org> wrote:

> So my 28 ASR arrived with the TD base bolted directly to the rails.
>
>
>
> I've discovered that I have the parts necessary to add the base
>
> isolation "feature".
>
>
>
> 1. Is it worth changing out those parts?  Do it reduce noise or
>
> vibration?  The rubber parts are 50 years or more old, so they may be
>
> too hard to do any good?
>
>
>
> 2. This would raise the base slightly.  Is this an issue with the drive
>
> shaft alignment?
>
>
>
> 3. What would be a safe lubricant to use to get the rubber washers to
>
> slide onto the stud easier?
>
>
>
> The parts involved can be observed on page 2 of
>
> http://www.navy-radio.com/manuals/tty/573-128-800-7008.pdf
>
> top of page (unless you rotated it) stud 164101 and associated parts.
>
>
>
> --
>
> John, W9DDD
>
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