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Vacuum pump or my maddest modding project yet.

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Henning:

--- Quote from: BillTodd on November 04, 2011, 08:30:04 AM ---
--- Quote ---    Hi,


    1. Would this be a pump for continuous running?

    Has long has there is no major leaks, I think it would be ok to run continuous.  Touch the casing, you should be able to leave your hand on it.  Make sure the pump oil is topped up. Note: you need vacuum pump oil, not motor oil.


There's special oil for this?

--- End quote ---

Apparently, the oil is formulated to have less/fewer short chain molecules that would otherwise evaporate/boil-off in the low pressure area of the pump and cause the oil to thicken.

I have an unopened 1litre bottle of Edwards Hi-Vacuum oil in the shed that you can have for the cost of postage (and an small optional donation to the Royal British legion - given it's November)

Regards,
Bill

--- End quote ---

Bill,

Thank you very much for your kind offer. Considering i'm in Norway, i'm not entirely sure it would be wise to send this though, as that means airmail.
I'll source some locally i think.
I will, however, make a donation to the British Legion, just for the kindness. (And a little due to the fact i'm ex- forces as well.)

Thank you!


Update on the pump:

All parts are coming togheter, i amassed a load of threading taps in the process, due to a mentioning in the right place and at the right time.
Ordered the dies in M10X1 and M14X1. When i got it it seems i managed to include both M8 fine, m4, 5 and 6 fine and forgot to order the M10 :Doh: :doh:
So, my brother is now running around trying to fix that so that hopefully i'll have something to show after the weekend.

Henning:
Well, that took some considerable time, but at least i have something working...

Here's the pump now:



And here's the first test to see if it worked:



It did, not least thanks to the great help i got here. So, as it stands i need to attach the vacuum switch (which means i need to rid myself of the NVR- switch), i need new oil and a general cleanup and i need to find some leaks and fix them.

Thank you again to all who offered help during the initial stage!

dsquire:
Henning

Thanks for the update. Glad to see that you got it working. Hopefully the next update will not be quite as long.   :D :D

Cheers  :beer:

Don

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