Necta Koro Service Manual

NW Global Vending – TECHNICAL MANUAL
This document was produced by MARK AC for the exclusive use of the technical personnel in the after-sales service.
. No part of this document may be divulged to a third party or reproduced partially or entirely without the prior permission of NW GLOBAL VENDING
. All rights reserved.
New dispenser “KORO” 07/10/2005 page 42 / 42
Monthly Cleaning And Hygiene (or every 5000 selections)
For all versions: Espresso - Fresh Brewer - Instant
Expected time 18 minutes
ONCE A MONTH, OR EVERY 5000 SELECTIONS, THE
FOLLOWING SCHEDULED MAINTENANCE OPERATIONS
MUST BE CARRIED OUT; AS USUAL IT IS ADVISABLE TO
CARRY OUT SUCH OPERATIONS AT THE WORKSHOP, AND
ON SITE SIMPLY REPLACE THE UNITS WITH THE ONES
WHICH WERE ALREADY SUBJECTED TO SCHEDULED
MAINTENANCE.
Remove the “Z3000’ unit from the vending machine
(FIG. 1 – FIG. 2); disassemble the unit completely,
remove the upper piston and the lower brewing
chamber (FIG. 3 – FIG. 4); carry out the
maintenance operations indicated in the specific
manual, and more specifically, clean or replace the
filters and lubricate the seals.
Remove the “SIGMA BREWER” unit from the
machine; clean thoroughly (see specific manual),
more specifically the brewing chamber and the lower
filter; check the efficiency of the mechanism and of
the position micro-switches.
If the filter is clogged for more than 50% must be
replaced (FIG. 5)
Remove the powder containers, empty and clean
them thoroughly in the inside, especially the ports
and the auger (FIG. 6)
Remove the grinder and doser assembly, empty any
coffee residue, check the state of the grinding
wheels, check the efficiency of the sensor that
detects the number of revolutions (FIG. 7)
Reset the correct distance between the grinding
wheels (see specific manual).
Reassemble all parts, taking care not to touch any
parts that come into contact with food.
FIG.
1
FIG.
6
32
–
MONTHLY CLEANING AND HYGIENE PROGRAM
FIG.
3
FIG.
2
FIG.
4
FIG.
5
FIG.
7

Necta Koro Specifications

General

Weight	26 kg
Voltage	220-240 V
Power	1550 W
Programmable	Yes
Power Supply	220-240 V