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Another DB Quickmill
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CarloM
Senior Member


Joined: 1 Apr 2013
Posts: 321
Location: Los Angeles
Expertise: I live coffee

Espresso: Vetrano V2B
Grinder: Mazzer Mini-E Type A, SJ...
Drip: Toddy
Posted Sat Aug 17, 2013, 2:51pm
Subject: Re: Another DB Quickmill
 

Okay, I'm hoping that the V2B will be in-house within 2 weeks. In anticipation, I'd like to ask some preventative maintenance advice.

DavecUK (and anyone who would know):
What kind of preventative/regular maintenance do you recommend with the V2B? With my Silvia I clean the shower screen every week by removing the center screw and disassembling and cleaning the screen, group and screw. With the V2B how is this done, since there's no center screw? I see videos that pry off the screen and the gasket all at once. Is this recommended to do regularly, to remove and clean the screen and gasket every week? Will this put undue wear and tear on the gasket?

I will be using bottled water which I've measured with hardness strips, and I also bought the in-tank filter from CCS to put in the V2B. CCS says they don't recommend descaling as long as I take proper care to use soft water, and replace the in-tank filter cartridge every 3-4 months.

Is backflushing recommended? Or will cleaning the screen/gasket be sufficient?

I will be cleaning the water tank semi-regularly as well. Wiping down the stainless steel exterior, etc.

Anything else that needs to be done regularly to maintain optimum operation and extend the machine's life? Thanks!
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DeanOK
Senior Member
DeanOK
Joined: 24 Sep 2012
Posts: 647
Location: OK
Expertise: I like coffee

Espresso: QM Vetrano 2B
Grinder: Vario W
Posted Sat Aug 17, 2013, 3:16pm
Subject: Re: Another DB Quickmill
 

CarloM Said:

DavecUK (and anyone who would know):
What kind of preventative/regular maintenance do you recommend with the V2B? With my Silvia I clean the shower screen every week by removing the center screw and disassembling and cleaning the screen, group and screw. With the V2B how is this done, since there's no center screw? I see videos that pry off the screen and the gasket all at once. Is this recommended to do regularly, to remove and clean the screen and gasket every week? Will this put undue wear and tear on the gasket?

Posted August 17, 2013 link

See page 16 and 17 of the original Vetrano owners manual for shower screen removal... I am assuming they are the same.
Vetrano Owners Manual Link

CarloM Said:

I will be using bottled water which I've measured with hardness strips, and I also bought the in-tank filter from CCS to put in the V2B. CCS says they don't recommend descaling as long as I take proper care to use soft water, and replace the in-tank filter cartridge every 3-4 months.

Is backflushing recommended? Or will cleaning the screen/gasket be sufficient?

I will be cleaning the water tank semi-regularly as well. Wiping down the stainless steel exterior, etc.

Anything else that needs to be done regularly to maintain optimum operation and extend the machine's life? Thanks!

Posted August 17, 2013 link

See page 11 of the original Vetrano owners manual for backflush info... here again, I am assuming they are the same.
Vetrano Owners Manual Link
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CarloM
Senior Member


Joined: 1 Apr 2013
Posts: 321
Location: Los Angeles
Expertise: I live coffee

Espresso: Vetrano V2B
Grinder: Mazzer Mini-E Type A, SJ...
Drip: Toddy
Posted Sat Aug 17, 2013, 4:45pm
Subject: Re: Another DB Quickmill
 

Thanks for the link Dean. But what I'm interested in hearing from DavecUK is whether regular cleaning of the screen/gasket is recommended. The CCS manual only gives the instructions for replacement, but recommends only backflushing. With my Silvia, removing and cleaning the screen/grouphead is much better (cleans more thoroughly) than just backflushing.

But will removing the screen/group/gasket regularly on an E61 group result in wearing down (or potentially prematurely breaking) the gasket? Could it damage the screen?
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DavecUK
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Joined: 21 Sep 2005
Posts: 1,383
Location: UK
Expertise: I love coffee

Posted Sat Aug 17, 2013, 7:48pm
Subject: Re: Another DB Quickmill
 

CarloM Said:

Thanks for the link Dean. But what I'm interested in hearing from DavecUK is whether regular cleaning of the screen/gasket is recommended. The CCS manual only gives the instructions for replacement, but recommends only backflushing. With my Silvia, removing and cleaning the screen/grouphead is much better (cleans more thoroughly) than just backflushing.

But will removing the screen/group/gasket regularly on an E61 group result in wearing down (or potentially prematurely breaking) the gasket? Could it damage the screen?

Posted August 17, 2013 link

The gasket is very cheap and should be replaced every 6 months or so. If you don't clean the screen regularily it will clog faster and need replacing sooner. I do the cleaning routine below every 3 or 4 days!

Click Here (coffeetime.wikidot.com)

I also only back flush with cleaner every 2-3 monthsand you must ALWAYS lubricate the cams after, by removal of the lever, dry them completely then coat with Dow Corning Molycote 111. I do a water only backflush every night and of course no lubrication is necessary.
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CarloM
Senior Member


Joined: 1 Apr 2013
Posts: 321
Location: Los Angeles
Expertise: I live coffee

Espresso: Vetrano V2B
Grinder: Mazzer Mini-E Type A, SJ...
Drip: Toddy
Posted Sat Aug 17, 2013, 8:09pm
Subject: Re: Another DB Quickmill
 

DavecUK Said:

The gasket is very cheap and should be replaced every 6 months or so. If you don't clean the screen regularily it will clog faster and need replacing sooner. I do the cleaning routine below every 3 or 4 days!

Click Here (coffeetime.wikidot.com)

I also only back flush with cleaner every 2-3 monthsand you must ALWAYS lubricate the cams after, by removal of the lever, dry them completely then coat with Dow Corning Molycote 111. I do a water only backflush every night and of course no lubrication is necessary.

Posted August 17, 2013 link

Thanks Dave! My concern is: will dropping the shower screen so often damage the gasket prematurely? I don't mind buying one every six months, just want to make sure that by dropping the screen/gasket every few days I won't have to be replacing the gasket sooner, like every 2-3 months, or less if I end up damaging it?
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schwaggy
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Joined: 5 Apr 2013
Posts: 20
Location: Seattle
Expertise: I live coffee

Espresso: Alex Duetto III
Grinder: Mazzer Mini E Type A w/ SJ...
Posted Sat Aug 17, 2013, 10:11pm
Subject: Re: Another DB Quickmill
 

As long as you're careful, removing the gasket and screen every few to several days may actually improve the life of the gasket. By removing and cleaning it more often, there's less chance of it getting gunked up and stuck in the group.
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DavecUK
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Joined: 21 Sep 2005
Posts: 1,383
Location: UK
Expertise: I love coffee

Posted Sun Aug 18, 2013, 4:43am
Subject: Re: Another DB Quickmill
 

CarloM Said:

Thanks Dave! My concern is: will dropping the shower screen so often damage the gasket prematurely? I don't mind buying one every six months, just want to make sure that by dropping the screen/gasket every few days I won't have to be replacing the gasket sooner, like every 2-3 months, or less if I end up damaging it?

Posted August 17, 2013 link

You never know, probably not,  mine comes down every 3 or 4 days for cleaning, I change my gasket every 4-6 months, by choice, not because I have damaged it. If you are concerned, buy a pack of 20 group gaskets, then you will never worry. They are expensive if bought singly, but buy in bulk and it's much cheaper. It's such a cheap consumable really and the only reason we don't change them more often is because of the price of single gaskets. The retailers have the mistaken impression that selling them singly makes the best profit, but in reality people simply buy less (bad for use, bad for them). Far better they stock in packs of 5 and packs of 10, then sell larger bulk packs so we all change them a lot more often than the usual 2 years and by then they can be really hard to get out if they have never been removed!

I can't remember exactly (because I bought 30 or so a few years ago), but bought in bulk they should be cheap enough to change every 4-6 months without worrying too much about the cost.

P.S. Oh and with the vetranop 2B, as mentioned in this thread earlier, don't forget to check you're group gasket is in the  right way round.
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CarloM
Senior Member


Joined: 1 Apr 2013
Posts: 321
Location: Los Angeles
Expertise: I live coffee

Espresso: Vetrano V2B
Grinder: Mazzer Mini-E Type A, SJ...
Drip: Toddy
Posted Sun Aug 18, 2013, 8:26am
Subject: Re: Another DB Quickmill
 

Thanks Dave, I'll ask CCS if they sell it in bulk (8mm soft gasket, right?). If not I'll look for another reputable source. Since I've never removed the gasket (as I said my Silvia has a center screw, unscrew that and the screen drops down easily, while the gasket stays up in the assembly) I have no idea how hard/easy this is, and how hard/easy it may be to accidentally damage the gasket. I guess I'll see when it comes, because I've purchased the precision screen which I'll have to install, so I assume I'll be using the same method to replace the screen.
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DavecUK
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Joined: 21 Sep 2005
Posts: 1,383
Location: UK
Expertise: I love coffee

Posted Sun Aug 18, 2013, 10:15am
Subject: Re: Another DB Quickmill
 

CarloM Said:

Thanks Dave, I'll ask CCS if they sell it in bulk (8mm soft gasket, right?). If not I'll look for another reputable source. Since I've never removed the gasket (as I said my Silvia has a center screw, unscrew that and the screen drops down easily, while the gasket stays up in the assembly) I have no idea how hard/easy this is, and how hard/easy it may be to accidentally damage the gasket. I guess I'll see when it comes, because I've purchased the precision screen which I'll have to install, so I assume I'll be using the same method to replace the screen.

Posted August 18, 2013 link

That's OK then, if you can clean behind the screen and the assembly without the need for removing the gasket, don't bother. In your case just remove the gasket once every 2 months to prevent it welding itself into the groove.
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CarloM
Senior Member


Joined: 1 Apr 2013
Posts: 321
Location: Los Angeles
Expertise: I live coffee

Espresso: Vetrano V2B
Grinder: Mazzer Mini-E Type A, SJ...
Drip: Toddy
Posted Sun Aug 18, 2013, 10:33am
Subject: Re: Another DB Quickmill
 

Sorry for the misunderstanding Dave, I was talking about the Vetrano 2B that I'll hopefully be taking ownership of in the near future (CCS has my preorder so it's just a matter of time for them to receive, calibrate, set up and ship it).

That's the one I was worried about in terms of removing the screen/gasket assembly. The Silvia is easy to clean, but the V2B is the first E61 machine I've ever bought so that's why I was asking advice about dropping/cleaning the screen/gasket every few days as opposed to chemical backflushing (I'll backflush regularly with plain water).
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