12
•
Tighten the plug completely with the magnet spindle
using a screwdriver.
•
Before disassembly, check that the heating filter is in
the operating position.
•
Unscrew the cap incl. seal.
•
Unscrew the plug incl. spindle with a slotted
screwdriver [image 14].
•
Remove the cap.
Contamination that has not been removed can impair the
function of the filter (e.g. the flow rate).
In this case, it may be necessary, to replace the filter element.
(Spare part order number 3425.00.900)
•
Loosen the hose clamp and remove the hose.
•
Screw the cap incl. seal tight.
image 13
image 10
image 11
image 14
image 15
5. Disassembly
5. Disassembly
Before you start with disassembly, depressurise
the filter!
Note: We recommend placing maintenance shut-offs in
front of and behind the HF 3425 compact heating filter.
image 12
You now have the option of marking the next backwashing
and maintenance date:
•
Select the month notch on the bezel and align the
mark with the bail. The arrow contour snaps into the
selected notch.
