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Translation of the original instructions with installation instructions Pi 480, Filtration Group GmbH, 24.01.19, Mat. No. 70308062, Version 02
13.3 Replacing the filter element
DANGER!
Risk of injury due to splashing of fluid!
•
First relieve the pressure!
•
Then open the filter!
DANGER!
Risk of injury!
•
Only replace the filter element after shutting down the
filter.
CAUTION!
•
Keep all impurities away from the clean side of the
filter element.
•
Be careful not to damage the wire cloth with sharp or
pointed objects.
1
•
Shut down the filter (or the system) and relieve the
pressure.
•
Take steps to prevent the system from being switched
on again by unauthorised persons.
•
Wear protective clothing and equipment appropriate to
the hazard potential of the medium (e.g. eye protection,
respirator, protective clothing, etc.).
2
•
Place a trough or a drip pan underneath the unit.
3
•
Open the drain plug on the dirty side (5) (if any).
The filter is drained.
Fig. 6: Draining the filter
4
•
Unscrew the filter housing (4) clockwise.
•
Pull the filter housing down a hand’s breadth.
•
Unscrew the filter element (7) from the seat.
•
Remove the filter element together with the filter
housing.
Fig. 7: Removing the filter element
5
•
Check all sealing points and seals.
•
Replace the seals if necessary.
•
Replace dirty disposable filter elements with new FG
elements (the order number on the name-plate must
match the order number on the element).
•
Clean the dirty wire cloth filter element (refer to section
6
•
Carefully position the open side of the filter element in
the seat.
•
Grease the seals and threads using a suitable fluid.
•
Place the filter housing in position, then screw it on anti-
clockwise as far as possible (torque for NG 40 to 100:
60 Nm, torque for NG 160 to 250: 100 Nm).
7
•
Screw in the drain plugs (if any, torque: 30 Nm).
8
•
Check that the filter is tight.
Observe the filter.
Does it operate normally?
13.4 Cleaning the filter housing
•
Wear protective clothing and equipment appropriate to
the hazard potential of the medium (e.g. eye protection,
respirator, protective clothing, etc.).
•
Open the filter and remove the filter element (refer to
section 13.3).
•
Remove any coarse impurities by mechanical means.
•
Wash out the filter housing using a suitable cleaning
solution.
5
7
4