al_n6ta@comcast.net wrote:
> My HDR-300 will become my T2X replacement to turn a 4 el Steppir on my Rohn
> 45. It is a lot more cost effective than buying a Spid or Prosistel .
>
> However, it has been sitting in storage since I acquired in 1996 as-is and
> used. It seems 'normal' on the bench so, what the heck? But, HyGain said
> that the grease should be checked after 3 to 4 years to determine if it is
> 'adequate' . So, I cracked the gear case and found lots, lots of yellow-tan
> grease that was still soft. I could re-distribute it to be mainly on the
> gears where I assume it started its service in the gearbox.
>
I now use white Lithium grease in most of these applications. It's good
and it stands up to the elements quite well.
I have a rather large array "up there" and went through a pair of
HDR-300s in just a couple of weeks of windy weather. They would have
held the antennas fine, but I wanted to use them even if the winds were
high.
> It is said to be special low temperature grease to be stable from -60 and 280
> F.
>
That sounds like the standard Lithium grease available in tubs at most
auto supply stores at reasonable prices.
73
Roger (K8RI)
> Any guidance on if it should be replaced and if so, with what? The manual
> says to get it from their customer service, etc. It may not really be an
> issue since this will not be in heave duty service.
>
> Tnx , OMs .
>
> Al
>
> N6TA
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