Tetra Pak COMET RC, Manual

Page: 44 / 118

CRC804B G
7-3
Tetra Pak
Hoyer
7.3 Chocolate spray nozzle maintenance
At the end of the working cycle each day, use the
dosing pump to pump warm water through the
chocolate feed pipe.
At regular intervals and whenever necessary,
dismantle the end of the chocolate spray nozzle (Pos.
1, Fig. 7.1) to restore it to proper functioning
condition.
Fig. 7.1
7.4 Doser maintenance
Periodically check the efficiency of the dosers.
Proceed as follows:
1 - Shut off the compressed air supply;
2 - Slacken the screws holding the doser retaining
bar;
3 - Remove the doser;
4 - Dismantle the doser:
- unscrew the bottom ring nut (Pos. 1, Fig.
7.2);
- open the clamp joining the lower and upper
parts (Pos. 2, Fig. 7.2);
- extract the doser piston shaft (Pos. 3, Fig.
7.2).
With the doser dismantled, check the efficiency
of the O-rings (Pos. 4-5, Fig. 7.2) on the stem.
If they are worn, ice cream will leak from the
top of the doser.
5 - Wash using the recommended products shown
in the table and reassemble.
Fig.7.2
1
2
3
4
5
1
2
3
4
5