The Project Blog

Let’s take it apart

E2M1.5 Rebuild

February29

E2M1.5 rebuildI ordered a rebuild kit a few days ago from Capitol Vacuum and forthwith it appeared on my doorstep. I also ordered a gallon of grade 19 vacuum pump oil – it is a must-have.

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Vacuum flange goodies!

February27

Flange stuffIn the mailbag today from LDS Vacuum, we have parts to connect the wayward vacuum pump to the real world. On the left we have a stainless NW16 to 1/4″ NPT adaptor. On the right we have a NW10/NW16 centering ring. Read on for more info.

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SMC ZSE40-T1-22L Digital Pressure Switch

February27

ZSE40eBay is my vice. At some point I knew I was going to need some sort of vacuum gauge better than the tiny scale on the bottom end of my suction-side HVAC gauge. I’d looked at your standard bourdon type gauge, but to get accuracy beyond 3% put me in the $50 price range. Then I came across a ZSE4 on eBay.

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E2M1.5 Disassembly

February27

E2M1.5 - 01Out of the box, this pump gets the same treatment. With fingers crossed, I’m hoping to have better luck with this one. Good working order would be nice, but a complete complement of parts would do.

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Edwards E2M1.5 Vacuum Pump

February25

Edwards E2M1.5 Vacuum PumpMy last foray into eBay-acquired vacuum technology yielded disappointment. I decided to try again with a model still in production – the Edwards E2M1.5.

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Speedivac 2 Disassembly

February24

Edwards Speedivac 2 Vacuum PumpNo more than 5 minutes passed between the point in time where I opened the box and the point where I was taking the whole thing apart. The first order of business was to get the motor running.

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Edwards Speedivac 2 Vacuum Pump

February12

Edwards Speedivac 2 Vacuum PumpI picked this up from eBay. She’s short on the motor starting capacitor. Hopefully after finding a suitable replacement, she’ll clean up and be ready to suck. This model is supposed to do 45L/min and pull an ultimate vacuum of 0.09 Torr.

It is of British design powered by a motor of the same origin carrying the suitably British name of “Brook Crompton.” I’ll post pictures of disassembly and cleaning as soon as I get around to it.

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Welcome

January27

I had intended this blog to be just about badly designed items, but I’d also like to share the odd projects I get into whether they be repairs, refurbs, or just plain neat stuff.

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