7 | Manual operation
HYDAC FILTER SYSTEMS GMBH
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BeWa MFU-10P 4391553b en-us
7.1 Switching the filter unit on or off/EMERGENCY-
STOP
Fig. 21:
Main switch
MFU-15E…
1.
Switch the filter unit on at the main switch to operate it.
ð
The filter unit starts pumping.
2.
Switch the filter unit off at the main switch.
Operate the main switch in emergencies.
3.
If the main switch is switched off, pull the power plug
out.
After switching the unit off at the main switch, de-
pressurized oil can escape at the ports depending on
the conditions or installation.
7.2 Observe the optical clogging indicator
Fig. 22:
Visual clogging
indicator
In order to utilize the uptake capacity of the filter element opti-
mally, the filter unit has an optical clogging indicator. This opti-
cal clogging indicator displays the back pressure ahead of the
filter element during operation.
Check this clogging indicator daily during operation. Replace
the filter element when there is a back pressure of 3 bar or as
soon as the clogging indicator enters the red zone.
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