18 Sartoclear
®
Pilot Filter Holder
Operation
5.2.2 Releasing the Hydraulic Cylinder
Prerequisites
− The filter cartridges have been depressurized .
− The filter cartridges have been drained of any residue .
Procedure
t
If required: Place the collecting tank under the filter holder .
t
Open the release valve on the hydraulic pump . To do so, turn the release valve
counterclockwise .
t
CAUTION
Danger of crushing from the moving hydraulic cylinder! Open the
needle valve on the hydraulic cylinder . To do so, turn the needle valve clockwise .
y
The hydraulic cylinder releases and draws back .
t
Wait until the pressure gauge display reads zero and the hydraulic cylinder is
fully loosened .
t
Close the needle valve . To do so, turn the needle valve clockwise .
5.2.3 Checking the Tensioning Pressure
The tensioning pressure applied during compression may reduce during the filtration
process, with the result that the filter cartridge is not sufficiently compressed .
Reduced tensioning pressure may negatively impact on the filtration performance .
Procedure
t
During the filtration process, check regularly whether the required tensioning
pressure is being achieved (see operating instructions for the filter cartridge) .
To do so, observe the pressure gauge display .
t
5.3 Inserting and Tensioning the Filter Cartridges
This chapter provides examples of how 4 filter cartridges are inserted .
5.3.1 Inserting the Filter Cartridges
NOTICE
Danger of damage to the filter cartridge!
Improper handling of the filter cartridge during installation may damage the
cartridge .
t
Only hold the filter cartridges by the handles .
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Only place the filter cartridge on clean surfaces .
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Do not apply any pressure to the filter cartridge . Do not allow the filter cartridge
to fall and do not shake it .
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Take great care when inserting the filter cartridge .
NOTICE
Danger of damage to the filtration system!
t
The filtration system must
not
be operated without a filter cartridge .
Prerequisites
− The hydraulic cylinder is released (see Chapter "5 .2 .2 Releasing the Hydraulic
− There are
no
used filter cartridges in the filter holder .