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Someone, stop me please!    Now also M32 rehab  AND NOW ALSO WITH PICS!
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Discussions > Espresso > Espresso Mods > Someone, stop me...  
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,042
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Sep 23, 2013, 6:20am
Subject: Re: Someone, stop me please!             Now also M32 rehab
 

And in place.

calblacksmith: chkvalve in place.jpg
(Click for larger image)

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,042
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Sep 23, 2013, 6:23am
Subject: Re: Someone, stop me please!             Now also M32 rehab
 

After testing with the check valve in good shape, the flow was still not as it should be. The next component in the chain is the expansion valve. I used the depth end of a caliper to establish the apx setting for the valve when reassembling, My pressure gauge equipped PF is for an E61 group and is a little too big to fit into this group so the best I could do right now is to just put it back to the starting point.

calblacksmith: setting gauge.jpg
(Click for larger image)

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
back to top
 View Profile Visit website Link to this post
calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,042
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Sep 23, 2013, 6:25am
Subject: Re: Someone, stop me please!             Now also M32 rehab
 

On disassembly of the expansion valve, it was found that it had so much mineral build up that it was frozen in place and non functional. It took prying with a thin screwdriver to break the piston free from the valve body. This is what it then looked like.

calblacksmith: expansion v dirty.jpg
(Click for larger image)

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
back to top
 View Profile Visit website Link to this post
calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,042
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Sep 23, 2013, 6:26am
Subject: Re: Someone, stop me please!             Now also M32 rehab
 

then after cleaning...

calblacksmith: expansion clean.jpg
(Click for larger image)

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
back to top
 View Profile Visit website Link to this post
calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,042
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Sep 23, 2013, 6:27am
Subject: Re: Someone, stop me please!             Now also M32 rehab
 

Reassembled and in place.

calblacksmith: expansion valve back1.jpg
(Click for larger image)

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
back to top
 View Profile Visit website Link to this post
calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,042
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Sep 23, 2013, 6:32am
Subject: Re: Someone, stop me please!             Now also M32 rehab
 

I did not get pics of the water meter before cleaning as I did it before I thought to take out the camera. The rotor is made of plastic so there was no buildup on it but the brass housing sure had a lot as did the SS shaft that the rotor turned on.

calblacksmith: flowmeter1.jpg
(Click for larger image)

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
back to top
 View Profile Visit website Link to this post
calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,042
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Sep 23, 2013, 6:33am
Subject: Re: Someone, stop me please!             Now also M32 rehab
 

Next in the chain is the boiler fill assy. This has a small restrictor valve to meter the flow of water and keep it from being the full flow of the pump. There was also a small SS mesh filter disc to prevent the small hole from getting clogged. This pic is from the cold water mixer valve but looks the same.

calblacksmith: coldwater metering orface.jpg
(Click for larger image)

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
back to top
 View Profile Visit website Link to this post
calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,042
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Sep 23, 2013, 6:36am
Subject: Re: Someone, stop me please!             Now also M32 rehab
 

The next item in the chain is the cold water mixer assy, this mixes cold water with hot water from the boiler before it is allowed to exit the hot water tap. This extends the supply of hot water from the boiler and lowers the temp to below boiling so you do not get any steam from the water tap. A pretty nice feature! These are the metering parts of the assy, they look the same as the boiler fill assy.

calblacksmith: coldwater meter assy.jpg
(Click for larger image)

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
back to top
 View Profile Visit website Link to this post
calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,042
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Sep 23, 2013, 6:37am
Subject: Re: Someone, stop me please!             Now also M32 rehab
 

The two valves in the pic are on the left, the cold water mixer valve and on the right, the boiler fill assy. The flow meter is out of focus to the right.

calblacksmith: cold water- boiler fill1.jpg
(Click for larger image)

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
back to top
 View Profile Visit website Link to this post
calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 8,042
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Sep 23, 2013, 6:42am
Subject: Re: Someone, stop me please!             Now also M32 rehab
 

Another component that got cleaned and rebuilt was the Pressurestat. LaCimbali uses their own manufacture of a pressure stat. It would take a little relocating of things but an aftermarket stat could be used if need. This one, while allowing more pressure movement than I really like, (+/- .1bar) it is VERY quiet. It is tucked away behind the tubes in the foreground.  I do like the construction of this Pstat, it uses a microswitch to turn the heater on and off not a set of contacts that snap on and off like on the Sarai Pstat. The only noise this makes is the VERRRRRRRRRY soft click of the microswitch.

calblacksmith: pressurestat1.jpg
(Click for larger image)

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
back to top
 View Profile Visit website Link to this post
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