[time-nuts] 5070B once more.... (actually 5370A fans)
jim77742 at gmail.com
Thu May 21 20:32:22 EDT 2009
I came home one day to find *that* smell in my workshop. It turned out to be
my HP 3325B. It had been on for ages and it had also been a warm day. I
looked at the back and found the intake completely blocked up with dust.
It seems to still work, but I need to open it right up and check it out
So, yes, in conclusion air flow is important!
2009/5/22 Mark Sims <holrum at hotmail.com>
> A8? Reference buffer? Gee, I thought was the electrostatic dust magnet ;-)
> That puppy can grow more fuzz than a sheepdog. In all the machines I
> have worked on, it was utterly disgusting.
> BTW, the best way to locate where to drill the access hole for the
> oscillator tuning pot is to look on the underside of the top cover. The
> oscillator compartment will be outlined in dust. Measure the tuning screw
> location from the sides of the oscillator compartment with calipers and
> transfer the measurements to the dust outline... it's more accurate than
> measuring from the edges of the box.
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