Bosch TCA640 Series Repair Instruction page 10

3.4.6 Filling quantity selector
This rotary knob is used to select the amount of liquid which is
required.
Single cups
Small espresso approx. 25ml
Espresso approx. 40ml
Small coffee approx. 80ml
Coffee approx. 125ml
Large coffee approx. 160ml
XXL coffee approx. 220ml
Note:
The permitted filling quantity tolerance is +/– 5 ml.
The filling quantities for 2 large coffees and 2 XXL coffees are not
the same as the double filling quantity for corresponding single cups.
Therefore aromatic coffee can still be brewed even when there is the
maximum amount of liquid selected.
58300000120060_ARA_en_c.doc – 18.09.09
Double cups
2 small espresso approx. 50ml
2 espresso approx. 80ml
2 small coffees approx. 160ml
2 coffees approx. 250ml
2 large coffees approx. 300ml
2 XXL coffees approx. 360ml
3.4.7 Coffee strength selector
The amount of coffee to be ground can be changed by rotating the
coffee strength selector.
This setting affects the aroma and flavour, the caffeine and acid
content as well as the formation of the crema.
Amount of coffee powder can be selected between "very mild" 7 g and
"extra strong" 13 g.
very mild
mild
normal
normal plus
strong
extra strong
The amount of ground coffee powder is monitored in the brewing
module and corrected by compensation of the grinding unit running
time.
approx. 7 g
approx. 8 g
approx. 9 g
approx. 10 g
approx. 12 g
approx. 13 g
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