[Heathkit] Heathkit "grease"

[heathkit]

Can anybody tell me what kind of "white grease" (non petroleum based) did
Heathkit used in kits that had plastic gears?  I want to freshen up the
lube in my precious SA-2500 Autotuner that contains 3 servo motors that
automatically adjust the large capacitors and inductor.  One motor has a
worm gear engaging another plastic gear and that's what I want the lube
for.

I bought some white Lithium grease, but the chemical ingredients listed
on the back says that it contains "petroleum distillates", so I'm afraid
to use that.  That gear is a critical part of the unit's operation.

Thanks for any info,
Danny  W3ZF  heathkit at juno.com

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