![Rheavendors Group XX OC Installation And Maintenance Manual Download Page 34](http://html1.mh-extra.com/html/rheavendors-group/xx-oc/xx-oc_installation-and-maintenance-manual_1451231034.webp)
MAN1910117 V.7 – 15/11/2012
34
15 Machine out of service
15.1 Monthly maintenance
15.1.1 Disinfecting of components in contact with ingredients
WARNING: during the ordinary and prevention maintenance operations the technical personal can be in
contact with moving parts.
Maintenance operations include cleaning, refilling of products, electronic programming and so on. During these
operations the personal in contact with the machine should have all necessary protections. These operations must
be carried out once a month to ensure the hygiene of the machine. These operations have already been described
in the paragraph "Cleaning and Disinfecting of components in contact with ingredients".
15.1.2 Adjustment of grinding
The brewing time for a 50 ml espresso coffee must be around 20 sec. If due to the wear and tear of the grinder, the
brewing time is shorter, turn the adjustment ring nut of the grinder by 1-3 steps in the direction indicated by the
sticker near the grinder itself. A thinner grinding and therefore, an adequate brewing time id then obtained.
15.1.3 Maintenance of the espresso group
Every month, using silicone grease compatible for foodstuff, the following components must be lubricated.
If the group has vended at least 15000 coffees from the last check-up, the sealing of the filters must be replaced.
For the clean
Remove the plates of
the superior filter
Turn upwards the
superior filter, dismount
and clean it with hot
water removing all
coffee powder.
Turn the group in the
position of ejection waste
grounds and overturn the
slide of coffee
Dismount the inferior filter
and clean it with hot water
removing all coffee
powder.
Reassemble the group in the original position
this operation can be carried out near a 3/8" mains connection and a drain.
- close the tap of the mains water supply, outside the machine;
- insert the drainpipe of the upper tap in the container;
15.1.4 Washing and disinfecting of components in contact with
foodstuff.
With the vending machine switched on, make sure that the display shows:
rheavendors
place
your cup
Open the door. Insert the plastic key into the safety switch. The display shows:
1=PROG
3=FREE