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8. Maintenance, troubleshooting &
service
Service may only be carried out by
authorized and qualified personnel.
8.1. Maintenance personnel
Maintenance should be performed by an author-
ized service engineer at least once a year to ensure
proper operation and prevent defects. Authorized
engineers must have knowledge of hygiene systems,
safety regulations, and national technical standards.
This cleaning unit is compliant with EU regulations
and has a CE marking. Contact the service depart-
ment for more information (see back of manual).
8.2. Long production stops
For production stops exceeding 6 months, empty and
secure the pump:
1. Remove the coupling safety guard.
2. Apply a few drops of silicone oil to the axle between
the top section and the coupling.
Follow pump supplier manual instructions carefully.
Do not store or use the equipment in below freezing
temperature.
8.3. Components
8.3.1. Control system
No maintenance needed.
If defective: Call a service technician.
8.3.2. Flow switch
No maintenance needed.
If defective, replace the flow switch.
Flow switch installation
•
Ensure the mark on the sensor nut indicating
the contact point is within 30° parallel to the flow
direction (refer to image below).
•
The factory uses threadlocker to secure the
thread, but packing yarn or tape can also be
used.
35
A-
Rev.
A
B
C
30°
D
30°
Flow switch calibration:
1. Stop the system by pressing relevant button on
E
the display module (refer to the image below).
F
110002491
No:
MAN. TEGN. FLOWSENSOR M. RØR
Desc:
Initials:
Drawn by:
AMT
G
AKS
Last rev. by:
Approved by:
AMT
Material:
1
Thickness (mm):
CONFIDENTIALITY NOTICE ! THIS DRAWING AND INFORMATION CONTAINED HEREIN ARE THE EXCLUSIVE PROPERTY OF NILFISK FOOD
2. Set a "rinse/foam" handle to foam position.
3. Turn the brass screw at the bottom until two
green LED light up.
4. Turn the screw counter clockwise until one of the
green LEDs light up.
5. Close the water supply and verify that the red
diode lights up. If not, repeat from step 4.
6. Reattach the cover.
8.3.3. Pump/motor
•
No maintenance needed.
For further information see pump suppliers instruction
manual.
8.3.4. Dosatron
•
Change the dosing seals once a year.
•
Rinse as often as possible with clear water.
(Refer to section 10.7 Dosing pump spareparts)
•
Turn off the water supply and allow the pressure
to drop to zero before adjusting the injection rate.
•
Install necessary protections for excess flow,
excess pressure and water hammer (anti hammer
flow/pressure device). Install your Dosatron on a
total by-pass line.
For all other installation advice, please consult Dosa-
tron.
24-06-2019
Description
Date
Flow
Mark
A-001
Review or Prototype
Rev:
Status:
Date:
28.02.2012
24-01-2023
28.02.2012
Color:
Tolerance:
DS/ISO 2768-m (medium)
Weight (g): 0,308
Admin
Mod. By
A
B
C
D
E
F
Ver. 3.00
Sheet size:
A4
1:2
Scale:
1 of 1
Sheet:
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