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Author Topic: My GS Project  (Read 37794 times)

Ronin

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« Reply #50 on: 29/10/2011, 12:09 PM »
That's right Jeff.
Hold the toggle switch to engage the pump and the lever on bottom right for the water valve, in original condition that is.
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Ronin

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« Reply #51 on: 29/10/2011, 04:42 PM »
I've been told that it won't make a difference, and not to worry about it AM.

I'll try it as is, then if it's a problem they are easily removed after re assembly.
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Ronin

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« Reply #52 on: 29/10/2011, 05:48 PM »
Perhaps, but the other side to the hole is the recess for removal of the plate.
Don't really want to fill those now do we  ;) or they will never be cleaned again.

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Ronin

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« Reply #53 on: 31/10/2011, 04:52 PM »
Frame work dropped in for powder coating today.
Getting chrome plate quote also, this is the one I'm dreading. Worth the money, but could be expensive.
Find out tommorow
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Ronin

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« Reply #54 on: 31/10/2011, 05:04 PM »
So... you can get coloured chrome, who knew
Black chrome looking good.
Not going to use it, but it looks good
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and a good coffee of course

Ronin

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My GS Project
« Reply #55 on: 04/11/2011, 05:21 PM »
Frame striped and ready for powder coating, should be ready early next week.
Chrome work underway, but probably 3 weeks away.

Insert finger tapping impatient Ronin here.
You must be patient for good work
Happiness is not a destination
It is a way of life
and a good coffee of course

borat123

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« Reply #56 on: 04/11/2011, 05:25 PM »

Welcome to the "it'll be ready next week" club.....    :rofl:


Ronin

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« Reply #57 on: 04/11/2011, 06:26 PM »
Welcome to the "it'll be ready next week" club.....    :rofl:

Nice, thanks Borat   :)
It'll give me time to finish sourcing the parts I need, elusive things they are.
Happiness is not a destination
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and a good coffee of course

jeff

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« Reply #58 on: 05/11/2011, 03:41 AM »
It'll give me time to finish sourcing the parts I need, elusive things they are.

I have to thank you for the inspiration to continue on my quest, though those few last parts are perhaps the scariest thing to me about a restoration.

Looking forward to seeing some photos of that first shot!

OK, I'll also admit I'm envious that you have 220 already available to you. Between an already-full 1970s main panel and the joys of obtaining local government permits, I think it is going to be as much of a challenge to pull 220 back to the "altar" in a San Francisco Victorian as it will be to rebuild one of these machines.
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Ronin

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« Reply #59 on: 05/11/2011, 09:06 AM »
I have to thank you for the inspiration to continue on my quest, though those few last parts are perhaps the scariest thing to me about a restoration.


I glad to be an inspiration for you Jeff. It wasn't my intention when starting this thread, was just to let people in on my adventure, but I'm happy to have helped you indirectly.

Here in Aus we have 240 VAC main power, everything runs on it (including Marzocco's ;D)

I'm hoping to be close to the first shots around or just after Christmas (holidays and spare time), we'll see though, got a few things to sort out
Happiness is not a destination
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and a good coffee of course

UNM

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« Reply #60 on: 05/11/2011, 09:45 AM »
OK, I'll also admit I'm envious that you have 220 already available to you. Between an already-full 1970s main panel and the joys of obtaining local government permits, I think it is going to be as much of a challenge to pull 220 back to the "altar" in a San Francisco Victorian as it will be to rebuild one of these machines.

When I lived in California, all the houses I rented had 220 volts available for the tumble dryer. That is what I used for my UK appliances. 

Not necessarily safe to just wire it in, but it may not be as hard to get the power you need as you might think. I'm sure a local electrician will keep you right.
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Ronin

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« Reply #61 on: 16/11/2011, 04:55 PM »
So I picked up the frame from the powder coaters, Inspected it when arrived home.
It's now back at the coaters to do properly  :head: GGGGGGRRRRRRRRRR

Oh well.

I have to give Kudos to site sponsor Coffee Parts.
I ordered Sunday, got a conformation call Monday morning, parts arrived at my door Tuesday.
Fantastic and fast service.
Thanks Guys
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Ronin

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« Reply #62 on: 18/11/2011, 05:52 PM »
Got a call from the powder coaters today.
Ready to go............ again. We'll see (I hope so this time)

Also got a call from the chrome platers,
Ready to go   ;D

Will pick up next week and post photos when I have the time.
Almost re assembly time
Happiness is not a destination
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and a good coffee of course

jeff

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« Reply #63 on: 21/11/2011, 06:36 PM »
Yep, you definitely inspired me!

I got it mainly apart, the wiring loom removed, and on trying to drain the steam boiler found it filled with milky, murky water.

My boilers look to be a little different than yours. The steam boiler uses a cartridge heater and I don't think it comes apart. The cap looks pretty solidly welded on. On the brew boiler, I really take a 30 mm spanner to that big hex and turn? How much did you have to drink before you had the courage to do that?




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Ronin

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« Reply #64 on: 22/11/2011, 07:20 PM »
Nice Jeff

Seems we should change the heading to 'GS Projects'.  :laugh:

Steam boiler is much different, not seen one like that before.
Brew boiler - Depends what you're drinking  :rofl: you might need some extra caffeine to move it. I ended up with a propane burner to heat it up. This helped release the nut. Then turn it. Better done it the brackets (I removed them from the frame) as it gives you some leverage. Pack in some elbow grease too. The nut attaches to a stainless shaft that goes all the way through the boiler and connects to the other nut, meaning you only need to release one nut before it SHOULD come apart.

PM me your email address and I'll send you a copy of the original wiring diagram from my machine, as I believe (from my go to man) it is original. I'll be wiring it a little different tho, for safety.

I picked up my frame today, much better job, looks good now, different colour than I originally wanted tho.
Picking up chrome work Thursday.
I started re assembling the smaller pieces on Sunday, so I'm officially in the fun phase
Happiness is not a destination
It is a way of life
and a good coffee of course

TheLightRoom

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« Reply #65 on: 22/11/2011, 10:45 PM »
Ronin - Loving this project, thanks for posting it and pics! Think it's great that you have inspired Jeff to dig his machine out!

I've always admired the manual paddle machines (both La Marzocco & Synesso) both from a skills perspective, and also the tactile idea of doing something more to produce espresso than push a button. I never really thought about making steps to acquire one - well till recently anyway. I  love LM machines (as many do), and would love to get my hands on a 2-group GS or GS/2 as you have. Great work!

I'll be following your progress :)

Cheers, Nathan.

jeff

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« Reply #66 on: 27/11/2011, 12:05 PM »
Thanks for the explanation of what to expect from those 30 mm nuts. I found out that the draw-bolt style that we both have was earlier production, with later ones using the bolt-on cap, similar to that on the steam boiler. Also steam boiler apparently was a not-uncommon fix for stripping the "crown" that was welded into the end of the boiler into which the end-cap bolts threaded. I've been literally having to dissolve "bladder stones" that were too big to fit through the ~1 cm hole. I've been using a roughly 2% citric acid w/v solution, available at home brewing shops, for the descale. There are probably faster acids or concentrations, but I've got time...

Speaking of time, I decided I could no longer procrastinate and collected the proper equipment for such a task. I looked at the first photo and decided something was wrong. Let's see, big wrenches, penetrating oil, torch, beer. Hmmm, is it that you shouldn't drink and operate incendiary devices? Was it that I was about to wave a torch over the nut that had been doused in oil? The alcohol in the beer inflammable? The beer, yes, that was the problem. Hard to find good Australian beer here, but I did find a more appropriate lubricant...

As fun as the torch would have been, the large wrench and a heavy rubber mallet took the nut off quite easily.

I'm not sure your dispersion heads are significantly different than mine. I've got some of the holes on one that come up through the back side of the "sockets" for the removal pin spanner.

I may try to take apart one of the groups tonight. While I probably could get away without re-chroming, there are a couple gouges on one of the groups where the cover scraped against the group, as well as  some spots on the valve nuts where it looks like pliers were used instead of a spanner. At least you can get powder coat redone; someone screwing up the castings prior to plating scares me.

Sounds like yours is going back together soon!
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Ronin

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« Reply #67 on: 27/11/2011, 02:05 PM »
Thanks The Light Room
Glad you are enjoying it, I am too  ;D
Time you started looking for yours to restore

Good progress Jeff
I believe the brew boilers with the end caps are earlier ones also, and difficult to re assemble, fun fun fun.

My problem with the dispersion heads is that the hole has broken through. Would be good to know if yours are the same. I didn't notice until after cleaning. I believe it shouldn't be a problem.

I'd still rechrome it Jeff, I think you'll always look at the imperfections and think "should have'. Just my opinion.
Castings can be fixed with the right shills or people who have them, like a fitter and turner. I wouldn't be too worried about it, but I hear your concerns.

Hopefully start putting back together next w/e, subject to parts arriving how far I get.
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It is a way of life
and a good coffee of course

Ronin

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« Reply #68 on: 04/12/2011, 03:00 PM »
So after planing to get the groups on the boiler this weekend, well plans rarely go to plan do they.
Found 7 of the retaining nuts stripped and only had 2 spare.  :head:

So I replaced all the o rings and inspected all chrome work, all well finished except for the water level sight glass outside ring. There seems to be a build up in the thread and I can not get it on.
Need to think of a way around that one. I'll chat to the fitter at work and the chrome platers for ideas.

Getting a good handle on the anti vac and over pressure valves, and the plumbing.
Wiring is another story but that will come the more I investigate. Replacement wiring and upgrades shouldn't be to hard but I've not looked into PID wiring as yet
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and a good coffee of course

jeff

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« Reply #69 on: 12/12/2011, 05:45 AM »
Ah, I see the difference in the dispersion cones. Yes, mine are not drilled through for the removal tool, just dimples. Finally got my cones and blocks out -- bolting them down to a piece of 3/4" (20 mm) ply using the three cap screws that hold the group together and a set of nuts and washers, then clamping the board to the workbench. Lots of heat helped "melt" the muck. Once warmed up enough, there wasn't a lot of force required.

In retrospect, I wish I had used a 3 mm bolt for the pin to remove the cone as the 4 mm one did cause some damage, both being too big, and with some slippage. Pressing down on the end of my cone-removal tool, which pushed the bolt more firmly into the dimple, I think helped removing the second one.

RAL 2002 on the upper frame was a nice match to the side panels I have, though, like you, I need to go back to the powder coater. Using black hammertone on the rest of the frame was a "win-win" as it did a good job hiding the irregularity left by corrosion, especially on the upper back rail, which serves as a drip/drain tray for the cups.

I hope yours is cooperating for you!
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Ronin

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« Reply #70 on: 12/12/2011, 06:24 PM »
Ahh retrospect and hindsight..........
If only.

Good progress there Jeff.

I managed to clean out the excess chrome from the thread in the water level sight glass ring and it went together really well. Had a win there

Putting the dispersion cone and block back into the group 1 was successful..... Easy.
Block 2, well lets say not so easy.

Either I overtightened it or there was a fracture in it, and it cracked and twisted badly.
Removed it from the block this morning, and did a little panel beating to straighten.
Finished in 3 pieces  :mad:
Silver soldered them back together and spend the time my boss was out filing them back & drilling out the holes.
Came out a little rough, but should work I think.
I'll continue with this piece and look for a replacement, I think it'll be hard to come by though.

It seems a rebuild project needs a problem solver, fix one thing and move on th the next thing that unexpectedly needs fixing.
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Ronin

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« Reply #71 on: 20/12/2011, 05:26 PM »
Got the groups on and started the jigsaw puzzle of pipe work.
Starting to look like a coffee machine again.
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Koffee Kosmo

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« Reply #72 on: 20/12/2011, 07:31 PM »
Great progress on an absolutely gorgeous job so far
I am quivering with expectations on the soon to be finished and working machine

Oooohh yea   :thumb:
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Brett H

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« Reply #73 on: 20/12/2011, 11:38 PM »
Lookin' great there Ronin!  Can't wait to see how it comes together.
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Ronin

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« Reply #74 on: 21/12/2011, 05:56 PM »
Thanks guys
Been challenging, and when you think you're on the downhill run, something else pops up.
Like today for example, cut some gaskets for the brew boiler end plates.
Almost forgot to put in the element before assembling.
Then found one thread on the element damaged, guess that's why there was so much thread tape on it.
I think I've a solution that doesn't involve removing the end plates though.
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