Performing maintenance
Replacing the filter elements
- Allen wrench
= 6 mm
- Wrench = 24 mm
To change the filter elements, proceed as follows:
1. Switch the pump off.
2. Close the shut-off valves to the INLET and
OUTLET.
3. Completely unscrew the air-vent plug (X) in
the cover with the aid of a size
= 6 mm
allen wrench.
4. Have a suitable container, approx. 120 liters,
handy or guide the draining fluid back to the
dirt tank.
Drain the filter housing by opening the drain
ball valve of the contaminated side.
Close the drain ball valve once no more fluid
escapes.
5. Have a suitable container, approx. 50 liters,
handy or guide the draining fluid back to the
dirt tank.
Drain the filter housing by opening the drain
ball valve of the clean side.
Close the drain ball valve once no more fluid
escapes.
6. Loosen all toggle screws on the cover with a
= 24 mm wrench and disengage them.
7. Remove the filter cover and place it on a
MRF4
en(us)
Page 27 / 36
MoWa MRF4 3214670d en-us 2018-02-09.docx
2018-02-09