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EM6900 no steam! how do i test the pump?

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  • noidle22
    replied
    It's a 6910. Just one of the old ones when Sunbeam were using an array of steam pumps before manufacturing with the blue Jiayin pumps.

    For re-installation of the new pump, you don't need to disassemble any part of it. You also don't need to cut the rubber mount. Every time I see a machine with a cut mount it annoys me, it's so easy to change the pump without touching anything.

    You'll see on the upper mount that the hole is a teardrop type shape. You first angle the pump and insert the pressure relief nozzle through then straighten up the pump whilst pushing gently upwards. The whole upper part of the pump will slide into place in the mount.
    You'll need to do some wiggling to seat the copper line on top again but that's about as difficult as it gets.

    You will also need to replace the o-ring on the copper line. It has perished and caused a water leak down the pump, creating the rust you can see and eventually killing the pump altogether.
    I don't know the measurements of the o-ring off the top of my head, I just use a silicone o-ring when I do it from my stock. Measure the OD of the copper line and the ID of the top of the steam pump and this will be roughly the size you need.
    Make sure you get a silicone or Viton o-ring, a regular rubber o-ring will perish rapidly.

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  • Footleg
    replied
    No drama, you’re gonna make me double check now, I forget what the differences are but just recall going through it before with earlier repairs...

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  • Jackster
    replied
    Because my 6910s have ulka steam pumps. And I didn't recognise your pump. So thought it must have been a 6900 as per the thread. . No bother!

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  • Footleg
    replied
    Ahh, oops the OP for this thread was, pretty sure this is a 10...

    Sorry!

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  • Footleg
    replied
    I’m pretty sure it’s a 6910! Why do you think it’s the 6900?

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  • Jackster
    replied
    Oh, yours is a 6900? I was thinking 6910. Bit harder on a 6900. Lol

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  • Footleg
    replied


    She’s out!

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  • Footleg
    replied
    Thanks, cool - think I read it here:

    If I can get the bottom hose off, it may come out through the bottom, but some more fiddling required I think. For the time being, I need to research where best to get the correct replacement part from.

    Whilst I've got it all open I should probably do some other servicing. I've seen somewhere a skinny gasket that can help compensate for a worn collar too... Hmmm...
    Last edited by Javaphile; 1 June 2019, 06:22 PM. Reason: eBay link removed

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  • Jackster
    replied
    You don't need to snip the rubber. Loosen the screws on the pump nose so you can turn the nose. Then unscrew the fittings off the nose, then feed the pump out the bottom. My rubber holder is not cut here, so it comes out..

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  • Footleg
    replied
    Attached image from the back label part - looks like a tricky beggar to get out! Although recall reading somewhere you need to snip the rubber holder, will research more soon!
    Attached Files

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  • Jackster
    replied
    Post a link for the steam pump, I had a bit of a look before, but couldn't find one.

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  • Jackster
    replied
    It's definately a E series. P is plastic nosed (x is for brass nosed) and pretty certain it's a 3 size...
    I sent my spare pump to someone else. But I have the 2 and it's def too small for the holder.
    Can you pull yours out and get any of the numbers? If you loosen the 2 screws at pump top, you can then spin the nose, that allows you to unscrew the stuff off the top, and then you can pop it out of the holder.

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  • Footleg
    replied
    ...the "230v" reading has the wire from going to the pump FROM the control board.

    This machine is now 10.5 years old, so it's done pretty well from what I've read, although it doesn't get heavy use - more over the last 12 months.

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  • Jackster
    replied
    Does the pump power go through the thermoblock thermostat? In order that it can't run without the thermoblock being up to temp? Can't remember without having a look...

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  • Footleg
    replied
    Thanks Jack - just posted a simlar finding myself...

    Are you saying my pump (in the photo) is an EP3? How do I tell for sure so I get the right spec replacement?

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