Results 1 to 6 of 6
Like Tree4Likes
  • 2 Post By Jackster
  • 2 Post By Di_Bartoli

Thread: Isomac Tea II recently aquired for project. A couple of questions

  1. #1
    Member
    Join Date
    Dec 2017
    Posts
    42

    Isomac Tea II recently aquired for project. A couple of questions

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hey guys as some know I recently posted a thread chasing a project machine. Another CS'er near by offered me a machine this Isomac unit the work required doesn't look too much and a great starter project I think but I do have a few questions.
    IMG_20190607_213041.jpg
    Other then the covers being off it look's pretty good and I think it will all polish up nicely and look rather impressive sitting in the kitchen.

    On to the main problem it leaks from what looks to be the element might get away with just a gasket. It looks to have had a recent electrical box fitted (Built 2017) and the pressurestat also looks to have been replaced however when the machine is on the boiler pressure gauge is reading over 1.5bar I believe this should be at 1.2bar so I'm guessing adjusting the pressurestat down should solve that issue?

    My other concern is that someone has bypassed the water tank switch I can't understand why I would love to have this working properly, Does anyone have a wiring diagram for the Australian model? or some good photos of the inside of a stock machine? I can only find a wiring diagram that is a little different not just in the design but also the wire colours don't match the way I believe the AU model is setup.

    There is also a small amount of corrosion around a join at the other end of the boiler (3rd Photo below) doesn't seem to be leaking not sure if I should pull it out and clean it up or just clean it in place and keep an eye on It once up and running.

    IMG_20190607_213116.jpgIMG_20190607_213243.jpgIMG_20190607_213209.jpgIMG_20190607_220955.jpg

    Thanks in advance I'm not sure if I'm going post up every step I might attempt a vlog and YouTube it. Just gathering information before the next step.

  2. #2
    Senior Member Jackster's Avatar
    Join Date
    Nov 2017
    Location
    Maddington, Perth. Wa
    Posts
    861
    If you are going to do that element seal, you will probably need to remove boiler to be able to grab it and hang onto it. I dug as much of the seal I could get out to make it a bit looser.
    If boiler is out, then do the fittings at other end at same time..

    Before embarking on removing boiler, you need to see how well it works. Maybe a descale and clean up the group head and see if the leaks are your only issue.
    Hoggy42 and kelvin8r like this.

  3. #3
    Site Sponsor Di_Bartoli's Avatar
    Join Date
    Aug 2006
    Location
    647 Botany Road, Rosebery, NSW 2018
    Posts
    929
    hi;

    "On to the main problem it leaks from what looks to be the element might get away with just a gasket. It looks to have had a recent electrical box fitted (Built 2017) and the pressurestat also looks to have been replaced however when the machine is on the boiler pressure gauge is reading over 1.5bar I believe this should be at 1.2bar so I'm guessing adjusting the pressurestat down should solve that issue?"

    before you adjust the presure swicth consider that you gauge is not finnish in cero, which meas 1.5 = 1.2

    If you replace the heating element seal, replace it for the one of the Rocket Giotto are much better than the Original Isomac

    Regards
    Renzo
    Dimal and Hoggy42 like this.

  4. #4
    Member
    Join Date
    Dec 2017
    Posts
    42
    Thanks Di_Bartoli

    Top advice on the gasket. Please forgive my ignorance what does Finnish in cero mean? I understand you saying the pressure on the gauge may not be correct.

  5. #5
    Site Sponsor Di_Bartoli's Avatar
    Join Date
    Aug 2006
    Location
    647 Botany Road, Rosebery, NSW 2018
    Posts
    929
    yes, looking at you picture that gauge is not calibrated. If you need the elememt seal let me know we have it as spare part.

    If you need to tal abpot it just pm me or call me

    Regards

  6. #6
    Member
    Join Date
    Dec 2017
    Posts
    42
    Quote Originally Posted by Di_Bartoli View Post
    yes, looking at you picture that gauge is not calibrated. If you need the elememt seal let me know we have it as spare part.

    If you need to tal abpot it just pm me or call me

    Regards
    You are correct with the gauge positions I'm not sure why they are that way... I'm hoping it's possible to reset them as at 70-80 each I'd rather save them.

    Quote Originally Posted by Jackster
    Before embarking on removing boiler, you need to see how well it works. Maybe a descale and clean up the group head and see if the leaks are your only issue.
    This is a great idea unfortunately the leak is quite bad so I may just work on one area at a time. I know it's going to need a group head seal and shower screen they both look a bit yuck. The good news is I have a good working machine so I'm happy to take my time sorting this one out. Unlike my Expobar which was simply repaired ignoring a few things that I would really like to fix rust etc.



Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •