EVOCA Opera Touch - Brew Unit Maintenance

02-2023 6095 00 69
BREW UNIT MAINTENANCE
The brew unit must be serviced, even if
slightly, every 10 000 dispensing cycles or,
any way, every 6 months.
For maintenance remove the brew unit:
1. detach the coffee outlet nozzle from the
unit by rotating it by 90° with respect to
the connecting rod and by pulling it to the
outside.
2. remove the cover from the brew unit
3. operate the lever intended to retain the
unit by rotating it to reach the horizontal
position.
4. remove the brew unit.
DisassEmbliNg / rEplaciNg tHE uppEr
filtEr aND gaskEt
To disassemble or replace the upper lter
and gasket, act as follows:
1. Unscrew the side screw (5) intended to
fasten the wrench (6) of the upper piston.
2. Rotate the upper piston (1) upwards.
3. Remove and replace the upper gasket
(7).
4. Unscrew the upper filter (9) to remove
and replace it.
DisassEmbliNg / rEplaciNg tHE lowEr
filtEr aND gaskEt
To disassemble or replace the lower lter
and gasket, act as follows:
1. Manually bring the unit into the unload
position with the lower piston up (12).
2. Unscrew the central fastening screw to
remove the filter (10).
3. Press on the end of the piston rod guide
(14) to get an extra-travel of the lower
piston (12).
4. Use a small screwdriver to extract the
lower piston (12) from the piston rod (14).
Pay special attention to avoid damaging
the piston or the sealing elements.
5. Remove and replace the lower gasket
(13).
2
1
3
5
7
6
8
4
Fig. 41
1. Upper piston
2. Coffee outlet nozzle
3. Lower scraper
4. Connecting rod
5. Side screw
6. Wrench
7. Upper gasket
8. Unit retaining lever
9. Upper filter
10. Lower filter
11. Lower scraper
12. Lower piston
13. Lower gasket
14. Piston stem guide
15. Upper scraper
1
10
12
2
7
9
15
11
13
14