Gents,
A good non-gumming oil to use is "Hoppe's #9". It is designed as an oil
for firearm mechanisms - non-gumming/drying, etc. It should be
obtainable at any sports store that deals in guns. Also, it takes up
less room on the shelf than a quart of "Mobil 1"! :)
Tom - WA2BPE
------------------------------------------------------------------------
Jim Zellmer wrote:
>
> I picked up a quart of Molil one synthetic oil for this kind of application.
> It is has a 5W-30 rating, but seems a little thinner. I use it on my window
> fans, 2 or three drops on each end every year or so. Keeps them running
> smooth. Ought to work fine on an Ampliifer fan motor.
>
> Its advantage as a synthetic oil, is that it does not gum up. Some other
> household oils, 3 in 1 etc. do gum up and can cause problems.
>
> 73,
>
> Jim Zellmer, KA0VSL
> -----Original Message-----
> From: Rich Measures <measures@vc.net>
> To: amps@contesting.com <amps@contesting.com>
To: <amps@contesting.com>
> Date: Sunday, April 04, 1999 2:55 AM
> Subject: Re: [AMPS] re:Socket for 3-500Z
>
> >
> >
> >
> >>>Another possible cause of cooling probs is failure to inject 0.02cc of 5w
> >>>- 10w oil through the neoprene seal on the fan bearing chamber every 5 or
> >>>so years of operation -- which is one of the reasons that we include a
> >>>......fan-oiling syringe with our vhf suppressor retrofit kits.
> >>
> >>Ah, yes. Here's a question I've been meaning to ask you, Rich. I read in
> one
> >>of your articles that the original SB-220 fan had sealed bearings and that
> >>you have to drill a hole in each one in order to oil it. I've got an
> SB-221,
> >>which came later, it looks like the bearings aren't sealed
> >
> >? I did not say that the bearings were "sealed". I said there were no
> >oil holes above the oilite bearings so that the oil wicks could be
> >replenished.
> >
> >> -- there's a big
> >>opening where the shaft enters each bearing. Looking from the side, it's
> >>kinda hard to see exactly what it looks like in the holes (at least,
> without
> >>doing some disassembly.) Do you just squirt the oil into those holes?
> >
> >? Any way you can get oil in is ok. By drilling oil holes above the
> >bearings, one can lube the oil wicks. Later production motors have oil
> >holes.
> >>
> >- later, Dick
> >
> >
> >Rich...
> >
> >R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
--
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