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Thread: Expobar Office Leva yep another machine :)

  1. #1
    Senior Member Sullo's Avatar
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    Expobar Office Leva yep another machine :)

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    so after returning to the place of my birth, an likely to return again (thanks Mackerman!)
    I recently aquired a new shiney the above mentioned Office Leva
    it only needs a replacement gauge which the nice people at Jetblack Espresso provided
    Im itching to dismantle an maybe reseal the e61 head, shouldve asked about a e61 service kit but was blown away by all the shineys at Jetblack (also picked up a new sirai pressure stat for maria there, workshop tech was very helpful)
    i hat else should i be looking at on the leva?
    its yet to be named an placed upon the new cart permanently

  2. #2
    Senior Member robusto's Avatar
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    Leroy the leva. You're welcome.
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  3. #3
    Senior Member level3ninja's Avatar
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    Libby, Lana, Lily, Lauri, Lexi, Lisa, Lara, Lucy, Leah, Lola, Leia...

    Or following robusto in the spirit of naming it after CS members: Luca
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  4. #4
    Senior Member Sullo's Avatar
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    we’re thinking lucy
    just replaced steam gauge which sadly doesnt quite fit but is working
    an whilst waiting decided to start polishing group head with polish dimal recommended god that stuffs good!!

  5. #5
    Senior Member Sullo's Avatar
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    Couldnt help myself had to pull a shot, grinder needs dialing in an milk froths quite well have to do a few more to get it right, damn not much to do on this but might strip the head an put in new seals for funsies
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  6. #6
    Senior Member Sullo's Avatar
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    Anyone know an aussie sponsor preferred E61 service kit seller, having issues finding one? I vaguely recall someone selling one that had a pack of all the orings required?

  7. #7
    Mal Dimal's Avatar
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    Maybe contact any of our Site Sponsors who sell Expobar, pretty sure most of them could put a kit together for you...

    Mal.
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  8. #8
    Senior Member Sullo's Avatar
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    oh duh I was at Jet Black on Friday *facepalm*!!!!

    btw Dimal the cars nudge bar is all shiney as much as Lucy is now thanks to that purple stuff you recommended! THANK YOU!!!
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  9. #9
    Mal Dimal's Avatar
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    No worries mate....
    I've actually never used it but my mate who is a builder and modifier of all things mechanical and shiny, swears by it.

    Mal.

  10. #10
    Senior Member Sullo's Avatar
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    its awesome stuff Ive been using it on anything metal, better than autosol! and damn site easier too!
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  11. #11
    Senior Member Sullo's Avatar
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    ok so the other day when I was playing with this it heated up ok even thou its got the wring gauge, ones on the way, I managed to pull a few shots
    I moved it today on the frankencart and turned it on about 2mins into heat up it trips the RCD on two sep power circuits?

    do these things have a common issue? heater elements that trip out? I had something similar to this on the azkoyen years ago, just asking before I start pulling things apart again

    (im sposed to be lawn mowing despite allergy to grass :P )
    Last edited by Sullo; 1 Week Ago at 09:28 AM. Reason: i forget things

  12. #12
    Senior Member level3ninja's Avatar
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    Could you have somehow spilt water internally out of the tank onto something inside the machine when moving it?
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  13. #13
    Senior Member Sullo's Avatar
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    its a plumbed model, cant see any water anywhere

  14. #14
    Senior Member Sullo's Avatar
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    this what i think is earth wire possibly looks a bit dodgy? strip an reterminate?
    cant remember what these do
    i need a coffee!
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  15. #15
    Senior Member level3ninja's Avatar
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    The lug itself looks fine. Can't see if there's a good connection between the lug and boiler. Either way unlikely to cause tripping, more likely to cause not tripping under fault conditions, so you know, bad. I find it strange it trips 2 RCDs, or is it tripping 1 RCD that feeds 2 circuits?

    A good test would be to run an extension lead to the power point it used to be fed from when it heated up ok. If it trips again it's the machine, if not might be the machine and/or something in your house wiring.
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  16. #16
    Super Moderator Javaphile's Avatar
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    Heating element(s) on their way out are a common cause of RCD faults.


    Java "A bit cracked" phile
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    Toys! I must have new toys!!!

  17. #17
    Senior Member artman's Avatar
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    Quote Originally Posted by Sullo View Post
    its awesome stuff Ive been using it on anything metal, better than autosol! and damn site easier too!
    Results look great!

    Is it a mild or harsher abrasive? I have only used autosol (mildy abrasive) and silvo (not very abrasive). Not on coffee machines but on car parts, wondering how this one compares.

    Cheers
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  18. #18
    Senior Member Sullo's Avatar
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    warning the following images contain coffee machine nudity

    an i was curious
    Attached Images Attached Images
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  19. #19
    Senior Member Sullo's Avatar
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    Ninja

    Its ona wheeled cart so I ran it over to the original circuit, damnit, trips there too

    JavaP

    Yep same as what Abbey the Azkoyen did years ago, was a cracked element gasket and dodgey element

    Artman

    Kinda mild I don't know whats in this purple poo but man its good and you don't have to use harsh elbow grease, I used some on the nudge bar of my rav4 and its only 2014 model and came up brilliant, hopefully dimal will see this message and flick the video link he had again how it works, I reckon its that good if you buy it and don't get same results Ill refund it I now swear by it!!!


    Sorry I did try to multyquote buyt stuffed it up.


    ATTN CS Sponsors anyone got a replacement element and this time the CORRECT part unlike what unnamed sponsor supplied me!! (hence awaiting something from UK cos it was easier then trawling hrs finding locally and I got the shits about it!)

  20. #20
    Senior Member Sullo's Avatar
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    If you run an Alexa, don't try fixing things playing Def Leppards back catalog, you wont get much done....
    Esp when theres guitars and drum kit next to the machine :P

  21. #21
    Senior Member level3ninja's Avatar
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    If you want me to confirm the element diagnosis I might be able to pop over after work one day this week
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  22. #22
    Mal Dimal's Avatar
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    Quote Originally Posted by Sullo View Post
    hopefully dimal will see this message and flick the video link he had again how it works, I reckon its that good if you buy it and don't get same results Ill refund it I now swear by it!!!
    Here you go...
    Two videos of a demo, from the manufacturer's website.
    https://youtu.be/QpIzp5ftl78
    https://youtu.be/vYfZOPZXkOI

    Mal.
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  23. #23
    Senior Member Sullo's Avatar
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    Ninja might take you up on that maybe take it to work an stop by yours on way home save you the trip down?
    Really appreciare the assist ty
    Dimal thanks dude knew youd have it
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  24. #24
    Senior Member artman's Avatar
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    Must try some on the car wheel alloy lips.

    Cheers
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  25. #25
    Senior Member Sullo's Avatar
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    Think javaphiles on the money here i finally figured out where the element goes in duh facepalm
    Machines now upside down an i can see what looks like a deteriorated gasket seal on the element

    Who dares me to remove it an see? Thinking new element an gasket
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  26. #26
    Senior Member robusto's Avatar
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    Love coffee machine porn. Strip away those glitzy outer clothes to reveal the pulsating innards.

    No, seriously, I really like to see the solid copper and brass fittings.

    I love the reassuring feeling of seeing a big electric motor driving a rotary pump.

    And the way often limited space is optimised. A bit like an orchestra seated on a stage...every instrument coming together in a glorious harmonious note.
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  27. #27
    Senior Member Sullo's Avatar
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    Quote Originally Posted by robusto View Post
    Love coffee machine porn. Strip away those glitzy outer clothes to reveal the pulsating innards.

    No, seriously, I really like to see the solid copper and brass fittings.

    I love the reassuring feeling of seeing a big electric motor driving a rotary pump.

    And the way often limited space is optimised. A bit like an orchestra seated on a stage...every instrument coming together in a glorious harmonious note.
    I honestly don't think I could've worded that better myself!

  28. #28
    Senior Member Sullo's Avatar
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    just another provocatively positioed photo for robusto’s benefit
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  29. #29
    Senior Member Sullo's Avatar
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    Now I need to go buy a 37mm spanner to get out the old element and my shifty wont fit in around other stickyout bits and stupid cheap closes at 5....

    poo

  30. #30
    Senior Member Sullo's Avatar
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    Where theres a will theres a way
    Now to figure how to get enough torque to wrench this thing off
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  31. #31
    Senior Member robusto's Avatar
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    Very nice Sullo. Thanks.
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  32. #32
    Senior Member level3ninja's Avatar
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    Perhaps a strap wrench on the boiler?
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  33. #33
    Senior Member Sullo's Avatar
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    Quote Originally Posted by level3ninja View Post
    Perhaps a strap wrench on the boiler?
    Thats like an oil filter wrench thingydoodat? You know im up on tech terms

  34. #34
    Senior Member level3ninja's Avatar
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    A little bit, less destructive than they usually are though
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  35. #35
    Senior Member Sullo's Avatar
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    Quote Originally Posted by level3ninja View Post
    A little bit, less destructive than they usually are though
    Ahhahhh so i still get to go waste time at stupid cheap auto!
    Mainly cos i wasted an hour trying to find the one i thought i had then remembered i loaned it
    Who i have no idea!
    Have a good week everyone thanks for reading thus far in sullos latest edition of this bugger machine wont beat me!
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  36. #36
    Senior Member Sullo's Avatar
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    will the element break free
    will he break the element
    will there be moaning an gnashing of teeth or knuckles
    will the peasants rejoice as threads break their strangle grip on the boiler

    will lucy give espresso again

    stay tuned.....
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  37. #37
    Senior Member Sullo's Avatar
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    SUCCESS!!!!!!
    Gratuitios use of rattle gun finally got the bastard out, need to check water probe level looks to have maybe boiled dry?

    Now impatiently awaiting replacement element and gasket!
    And whilst i have boiler open time for a clean....
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  38. #38
    Mal Dimal's Avatar
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    Boiler looks to be nice and clean inside, won't require too much cleaning...

    Mal.
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  39. #39
    Senior Member Sullo's Avatar
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    Quote Originally Posted by Dimal View Post
    Boiler looks to be nice and clean inside, won't require too much cleaning...

    Mal.
    was thinking of running a batch of citric up its butt?

  40. #40
    Mal Dimal's Avatar
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    Up to you I guess, certainly won't hurt anything mate...

    Mal.
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  41. #41
    Senior Member Sullo's Avatar
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    and in another useless update, a part I ordered from the UK arrived, and the element I needed from Victoria STILL hasn't arrived.....
    Both ordered same day 5mins of each other...
    Lucy awaits her new heart...
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  42. #42
    Mal Dimal's Avatar
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    Yep, fact of life these days...

    Mal.

  43. #43
    Senior Member Jackster's Avatar
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    Soak the hx with citric while you are there too. And it may have restrictors in the top hx pipe, that may need clearing out.
    Here is a pic of last one I did...
    IMG_20190729_105237.jpg
    IMG_20190729_104719.jpg
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  44. #44
    Senior Member Sullo's Avatar
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    Good idea thanks jackster

  45. #45
    Senior Member Jackster's Avatar
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    It looks like your machine is a thermosyphon heated group. So, if you don't have a restrictor in that top pipe, you should get one for it.
    What it does is restricts the flow of boiling hot water from the top of the hx, and blends it with cooler water that is in the return loop to the bottom of the hx. A little difficult to tune, but results in a machine that needs much less of a flush.

    That blocked restrictor meant that the group would not heat properly (no thermosyphon), and no matter how hot the boiler, the coffee was no where near hot enough, almost lukewarm.
    Turns out it is a very nice Diadema for me!
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  46. #46
    Senior Member Sullo's Avatar
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    An the new heart finally arrived!!
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  47. #47
    Senior Member Jackster's Avatar
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    Are you thinking of a new SSR (solid state relay) to handle the element switching duties?

  48. #48
    Senior Member Sullo's Avatar
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    Do i need one? Whats likely to be on it? Havent looked at that to be honest was just in the process of replacing current parts hadnt gotten to upgrades yet

  49. #49
    Senior Member Sullo's Avatar
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    Quote Originally Posted by Jackster View Post
    It looks like your machine is a thermosyphon heated group. So, if you don't have a restrictor in that top pipe, you should get one for it.
    What it does is restricts the flow of boiling hot water from the top of the hx, and blends it with cooler water that is in the return loop to the bottom of the hx. A little difficult to tune, but results in a machine that needs much less of a flush.

    That blocked restrictor meant that the group would not heat properly (no thermosyphon), and no matter how hot the boiler, the coffee was no where near hot enough, almost lukewarm.
    Turns out it is a very nice Diadema for me!
    thanks for pointing this out, its doesn't have one, Im also noticing a lot of differences to this machine and most manuals/parts books I find... Weird!

  50. #50
    Senior Member Sullo's Avatar
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    Latest useless update, parcel tracking says my new gauge an single pf are in country clearing customs,
    In the mean time im going to remove and citric acid all the copper pipes an maybe go a bit nuts an dismantle and clean out the e61
    Poo am i have forgotten to buy new seals arr arr



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