Service 16
2.3 Brewing unit with removable brew aperture
Using the brewing unit with aperture – 33 2893 0399
WMF 1500S+; WMF 1100S, WMF 1200S, presto
The previous dark-red brewing unit is used in the version for the USA
Using the brewing unit without aperture – 33 2893 0499
WMF 1500S+ with FFC
The brewing unit can be differentiated from the previous brewing unit (dark red) by its new housing color (brown).
The difference is that the brown brewing unit does not have a switch cam for the brewer end switch and the powder chute is included as a spare part and must be
installed.
When performing repairs, spare parts from the brown and dark red brewing units MUST NOT be combined!
The brew aperture is installed in the top brewing piston, between the brewing sieve and the discharge
nozzle. It can be removed or replaced for cleaning purposes.
If cleaning or warm-up rinsing is performed while the brew aperture is removed, sediment that has
collected behind the brewing sieve can be flushed out, thus preventing flow errors.
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