Subject to change · UMPC 045_31168300 · 0717 · EN
Page 24
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4. Move the lever to the "Filtering" position.
Fig. 15: Lever pumping / filtering
5. Switch on the filter unit at the on/off switch (circuit breaker).
6. Check the oil flow for a possible insufficient insertion depth of the suction pipe in the oil tank.
7. After completion of the filtration, pull the suction lance / suction tube out of the container of the machine or system (e.g.
hydraulic tank) and suck air for max. 30 seconds. Thus, the residual oil from the filter housing and the lines above the oil level is
fed back into the container of the machine or system via the discharge pipe.
8. Move the lever to the "Pumping" position.
9. Switch off the filter unit at the circuit breaker.
10. Fix the suction lance / suction pipe and the discharge pipe to the corresponding brackets at the filter unit.
NOTE
Achieving the maximum cleaning performance
›
In order to avoid a short circuit of the oil flow, the distance between the suction and the pressure connection
should be as large as possible.
Falsification of results
›
Make sure that the device is properly vented.
›
An exact determination of the cleanliness class is possible in a viscosity range of 15 mm
2
/s to 250 mm
2
/s.
10.2 Filtering of liquids in the bypass flow
1. Connect the filter unit to a power source.
2. Insert the suction lance / suction pipe into the tank of the machine or system (e.g. hydraulic tank).
3. Place the discharge pipe into the machine or system container (e.g. hydraulic tank).
NOTE
›
At the beginning of the filtration, filling of the filter unit may take several seconds.
Pumping
Filtering
