Operation
Disposal of old equipment
30
© Lutz-Jesco GmbH 2018
BA-10407-02-V08
Motor-driven diaphragm dosing pump
MEMDOS LB
Operating instructions
11.2 Commissioning the electric servomotor
MEMDOS LB dosing pumps with electric servomotor are supplied pre-as-
sembled and mechanically pre-configured. The limit switches of the elec-
tric servomotor do not require adjustment.
The electric servomotor should only be adjusted if the dosing pump is in
operation.
Precondition for action:
ü
The dosing pump has been assembled and installed in accordance
with chapter “Installing the Dosing Pump” on page 22, chapter
“Hydraulic installations” on page 23 and chapter “Electrical
installation” on page 27.
ü
The dosing pump was commissioned in accordance with section
“Commissioning the dosing pump” on page 29.
ü
The electric installation of the servomotor was carried out in
accordance with the associated operating manual.
Perform the following working steps:
1.
Connect the servomotor with the regulating equipment.
2.
Put the regulating equipment into operation.
3.
Adjust the control parameters for the electric servomotor in accord-
ance with the system requirements.
ü
Electric servomotor commissioned
11.3 Decommissioning the dosing pump
Perform the following working steps:
1.
Stop the dosing pump in accordance with the selected operating
mode.
2.
Unplug the dosing pump's mains plug from the power supply.
3.
Disconnect all electrical connections.
4.
Depressurize all the hydraulic parts in the system.
5.
Unplug all the hydraulic connections on the dosing pump.
6.
Empty the dosing head.
7.
Remove any residual dosing medium from the dosing head by flush-
ing the system with a washing agent. Ensure that the washing agent
is compatible with the dosing medium.
ü
Dosing pump is decommissioned.
11.4 Shutting down in an emergency
n
In an emergency, you must immediately disconnect the dosing pump
from the mains supply or activate the Emergency Stop switch in-
stalled in the system.
n
Depending on the type of incident, you must depressurized the hy-
draulic connections or locked to prevent dosing medium from escap-
ing.
n
You must follow the safety data sheet of the dosing medium.
11.5 Storage
Storing the dosing pump correctly extends its service life. You should
avoid negative influences such as extreme temperatures, high humidity,
dust, chemicals, etc.
Ensure ideal storage conditions where possible:
n
the storage place must be cold, dry, dust-free and generously venti-
lated,
n
Temperatures b 2 °C and + 40 °C (for PP and PVDF dosing
heads, b 2 °C and + 60 °C),
n
Relative air humidity must not exceed 90 %.
11.6 Transportation
NOTE
Machine damage caused by leaking oil
The oil inlet at the dosing pump cannot be closed completely tightly.
Oil may leak if the device is not transported in an upright position.
This might cause damage to the control unit or the motor.
ð
Drain the oil completely through the oil outlet before you trans-
port the dosing pump.
Perform the following working steps:
n
The unit should be thoroughly cleaned. Any dangerous dosing media
must be additionally neutralised and decontaminated.
n
All accessories should be dismantled.
n
All openings should be closed, so that no foreign objects can get into
the system.
n
The dosing pump must be suitably packed, preferably in the original
packing, for transportation.
If the device is sent back to the manufacturer, please follow chapters 17
“Declaration of no objection” on page 41 and 18 “Warranty claim” on
page 42.
11.7 Disposal of old equipment
n
The waste unit must be thoroughly cleaned. Any dangerous dosing
media must be additionally neutralised and decontaminated.
n
Any residual dosing media must be removed in a professional manner.
n
The dosing pump must be disposed of in accordance with applicable
local laws and regulations. The device does not belong to household
waste!
n
As the disposal regulations may differ from country to country in the
European Union, please consult your supplier if necessary.
