Bosch TCA640 Series Repair Instruction page 32

4.3.3 Removing the brewing unit
The brewing unit is accessed by opening the service flap on the right-
hand side of the appliance. Once released, the brewing unit can be
taken out of the appliance for cleaning.
4.3.3.1 Basic position
The brewing unit can only be replaced in the basic position.
►
The brewing chamber is located completely underneath the
filling funnel.
►
The unlocking lever is engaged in the "locking mechanism
open" position (1).
►
The mark on the input shaft is next to the tip of the marking
arrow (2).
58300000120060_ARA_en_c.doc – 18.09.09
4.3.3.2 Locking mechanism
When locked, the brewing chamber is prevented from moving. Only
when placed in the appliance is the locking mechanism released by
two cams (1) in the brewing unit compartment. Lock bolt (2) releases
unlocking lever (3). The unlocking lever is released by pressing knob
(4). The unlocking lever can be turned downwards, where it engages
in recess (5). The brewing unit is locked. A micro switch on the
transmission housing monitors the locked status.
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