Bedienungsanleitung Vibiemme Vibiemme Double Domobar version 3 (Seite 61 von 74) (Englisch)

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aluminum so they are less likely to damage the group, and the ﬂat cross section keeps them in place as you

work. Hook the tool in the groove in the screen (indicated by the yellow arrow), and push the tool towards the

screen and at the same time apply a prying action and remove the screen and gasket as a unit. Another tool

that can be used is a paint can opener. Use a rag between the tool and the group at the fulcrum point where

the tool will be sitting on the chrome. Be aware that the shower screen can be damaged when doing this so it

is best to have a spare one on hand, just in case.

Depending on just how hard the existing gasket has become, the above method may not work. The easi-

est way then is to use one or two drywall screws. Try using a single one at ﬁrst and screw it directly into the

black, rubber gasket, then grasp it with a pair of pliers and pull it out (be careful not to bark your knuckles if

the screw suddenly pulls out). If the screw just pulls out of the rubber, use a larger-diameter wood screw, ﬁle

off the pointed tip so it if ﬂat, and screw it into the gasket in the same hole made by the drywall screw until it

touches the brewhead, and then continue turning the screw. As it penetrates the gasket and hits the brewhead

it will pull the gasket away from the group. If this isn’t working, try repeating the process in a different loca-

tion, near where you ﬁrst tried.

If you do this and the gasket breaks that is ﬁne. You can then just pry it out with a small screwdriver or ice

pick. Use care not to mar the brewhead. It is a very good idea to have

a spare shower screen on hand before attempting this job. The screen is

held in place by the gasket, and if you have to go at the gasket with

vigor the shower screen can be damaged. Having a spare on hand will

limit downtime.

Once the gasket is out, remove the shower screen and give the

area a good cleaning. Be sure that no old gasket or coffee residue is

left in the brewhead. If need be, use a brass-bristle brush to clean the

area.

To install the new gasket, assemble the gasket over the shower

screen and place them on a portaﬁlter, Maneuver the assembly into

place and then simply lock the portaﬁlter into place as you would

when making espresso. The cam-action of the portaﬁlter locking

into place will push the shower screen and gasket into place.

How often this needs to be done depends on many factors, but

for in home use about once every one or two years is usually more

than often enough. Otherwise, change it when you feel it lacking in resiliency when locking the portaﬁlter in

place or when leaks occur that are not resolved by other solutions as mentioned above. Changing the gasket

sooner rather than later will eliminate the hassle of dealing with hardened gaskets stuck in the group.

Shower Screen & Brew Head Cleaning

Removing the shower screen and group gasket gives you access to the dispersion disk and group head.

WARNING: Always wait for the machine to fully cool before attempting to remove the shower

screen. The group can be very hot which present a serious burn hazard.

The dispersion disk can be unscrewed from the group using a suitable driver. Be sure that it ﬁts the slot. A

large coin of the appropriate size can be used, gripped by a suitable

wrench or pliers.

The removed parts (including the dispersion disc seen here) can

be soaked in espresso machine cleaner, and the group scrubbed with

the included group brush using the same cleaner.

CAUTION: Follow manufacturer’s recommendations when

using the cleaner. Wear eye and hand protection when doing

cleaning chores.

When replacing the gasket, the side that

has printing or has a beveled edge goes

UP towards the group. Some replace-

ment gaskets come without the VBM

name. They use 8.5 mm thick gaskets.

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