>>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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