N & W Global Vending – TECHNI CAL MANUAL
This document w as produced by MARK AC for the exclusive use of the technical personnel in the after- sales service.
All rights reserved. No part of this document may be divulged to a third party or reproduced partially or entirely w ithout the prior permission of N & W GLOBAL
VENDI NG
“KORI NTO FB”
23/ 08/ 06
Page 32 / 38
The vending machine KORI NTO was designed to operate for a long time without malfunctions; however in
order to ensure excellent reliability periodic maintenance is necessary.
Such maintenance must be performed according to the number of selections made and the time lapsed.
Periodic and correct maintenance ensures reliability, constant quality and also guarantees safety standards over
time.
The following table indicates the functional units that must be subjected to periodic maintenance and the
frequency of maintenance. For the operations to be carried out, refer to the specific
Functional unit
manuals.
Name of unit
DESCRI PTI ON OF OPERATI ON
N. of
selections
Max
frequency
Fresh Brew er
Unit
1)
Check state of filters and wear of silicone O-ring seal;
see details in the functional unit manual for FB coffee
brewing
2)
Open the unit and check the state of wear and internal
lubrication and if necessary replace and lubricate.
4000
40.000
1 month
annual
Mixer
Assembly
1)
Check the water tightness in the axial bush and the
correct assembly, if necessary replace.
2)
Check the wear of the motor brushes and clean off the
excess of carbon powder.
50.000
annual
Boiler And
Solenoid Valve
Assembly
I f the boilers and the solenoid valves operate with soft
water or are fitted with specific softener filters, the should
be no need of periodic maintenance; otherwise periodically
check the grade of scaling and if necessary proceed to
complete descaling.
According to
the water
hardness
Every 6
months
Steam
Exhauster Unit
There is not need of any particular maintenance
For perfect functioning, it is necessary that the powder
removal boxes be emptied periodically.
I n addition, daily cleaning ensures also maximum hygiene
of the machine.
Every
day
Extraordinary maintenance is carried out in the event of possible malfunctions.
For the most typical problems the vending machine is fitted with sensors that inform the software about any
malfunction. The following tables list the possible malfunctions and possible remedies.
22 – ROUTI NE AND EXTRAORDI NARY
MAI NTENANCE SCHEDULE