Alfa Laval Copenhagen A/S
ALF – Installation, Operating and Safety Manual
ALF Instruction Manual UM_Filter_100B03
Page 31 of 67
7. Maintenance
7.1 Introduction
The ALF filter only requires very little maintenance. However following the maintenance
instructions will ensure performance and availability.
The ALF filter basket can be replaced without removing the filter from the piping system. The
actuators, flushing valve and diverter shaft/disc can also be replaced.
CAUTION
For each of the external components, always follow recommendations on
maintenance and service specified in the specific manuals.
7.2 Safety Instructions
WARNING
Operators should avoid lifting of heavy components.
WARNING
Never put your hands, other parts of your body or foreign objects into the
machine when the power is turned on
Be aware that it is possible for the filter to be activated by remote control.
7.2.1 General
WARNING
Ensure that the main power source is switched off before attempting to
disconnect the control panel.
7.2.2 Control Panel
Switch off the main power supply to the control panel prior to opening the panel. For control panels
with more than one filter control, switch of safety switch at the filter if continued operation of other
filters are required.
Filters equipped with electric actuators:
Switch off safety switch on the junction box, before attempting to do any maintenance or repair.
Filters equipped with pneumatic actuators:
Shut-off main air supply for pneumatic actuators, before attempting to do any maintenance or
repair.
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