Superb. This is all the information I need. My pump is similar enough that I can tackle the job without worrying that I am going to break something. Some new oil is on order from Ebay, I can't wait to start! Thanks so much, this list is chockers with helpful folk.
Tom Harris <[email protected]> On 9 June 2015 at 07:21, David Forbes <[email protected]> wrote: > Tom, > > This page from Finland has a bit of information on the ES 50 pump, which > may or may not be similar to yours. > > http://personal.inet.fi/koti/kristian.ukkonen/es50/es50_overhaul.html > > My colleagues all are familiar with the Welch pumps, not Edwards. One > fellow says that parts may be available from an outfit in New Mexico. > > --David Forbes > > On 6/8/2015 2:02 PM, Tom Harris wrote: > >> I couldn't find anything online on servicing a vacuum pump. I might have >> to >> perform my generic service routine. Take the thing apart, clean >> everything, >> replace anything worn, lubricate anything that moves, put back together. I >> do remember from my lab days that vacuum systems use silicone grease as a >> seal and lubricant and it got everywhere very quickly. What fun. >> >> The goal is indeed to make large discharges in glass. As well as make a >> vacuum cannon (look it up), the most impressive thing to do when you can >> get a good vacuum. That and re-enact Joseph Wright's painting " experiment >> with a bird in the air pump" I suppose. >> On 09/06/2015 5:45 AM, "gregebert" <[email protected]> wrote: >> >> I saw a few tidbits online from a google search, but no service manual. >>> Might be very hard to get spare parts, etc. >>> >>> I was planning to experiment with a vacuum pump from Harbor Freight Tools >>> later this year; people have claimed it can pull down to 25 microns >>> (yeah, >>> right.....) but it's definitely good enough to get a glow discharge. I >>> plan >>> to see if I can get anything interesting with helium and/or argon inside >>> a >>> glass beer-bottle. >>> >>> Sounds a bit silly, but it shouldn't be too difficult to get a decent >>> seal on it, then bake-out the impurities in a modified toaster-oven. No >>> need for dangerous bombarding. Helium is very easy to get, and seems to >>> have enough spectral emission in the visible region. >>> >>> Where am I going with this ? Just suppose it's possible to make a large >>> nixie-like tube the size of a beer-bottle. Think CD47 (saw *one* on Ebay >>> yesterday for $1300; apparently the seller gave up trying to find enough >>> of >>> these to build a clock. Gone now.). >>> >>> >>> >>> >>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "neonixie-l" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to [email protected]. >>> To post to this group, send email to [email protected]. >>> To view this discussion on the web, visit >>> >>> https://groups.google.com/d/msgid/neonixie-l/1c6a95d0-41af-4759-9d2c-fd0b03feb5ea%40googlegroups.com >>> < >>> https://groups.google.com/d/msgid/neonixie-l/1c6a95d0-41af-4759-9d2c-fd0b03feb5ea%40googlegroups.com?utm_medium=email&utm_source=footer >>> > >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >>> >> > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send an email to [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/5576074F.4070006%40dakotacom.net > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAHjG12SrCE90qJThF70CRW9xEbSuoMsOnwgypRaYSUr2Yn89rQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
