The filter collecting the leakage oil of various hydraulic components is mounted to the rear side of the hydraulic tank (fig.42, pos. 2), and must be maintained at regular intervals.
Liebherr Lidos Offline Parts EPC+ Service Manual
During maintenance, the filter element must be replaced or cleaned .
For maintenance intervals, see Maintenance Chart
Notice: The filter element can be cleaned up to maximum 3 times. After 3 cleanings it must be replaced.
Cleaning the filter:
Remove the filter housing 1, pull out the filter element 3 and clean both the filter element and housing.
To install the new or cleaned filter element: (see also fig. 32)
Coat with hydraulic oil the O-rings 4 and 5 and the threads and the sealing faces on the filter head 2 and on the housing 1.
Insert with care the new element 3 onto the centring pin 6.
Reattach the filter housing 1, screw it by hand to the stop and than tighten it with a wrench using the hexagon head at the bottom of the housing 1 (tightening torque: 40+10 N.m).
2020 2018 Liebherr Lidos Offline EPC+Service Manual Full Free Download
Cleaning the filter:
Remove the filter housing 1, pull out the filter element 3 and clean both the filter element and housing.
To install the new or cleaned filter element :
Coat with hydraulic oil the O-rings 4 and 5 and the threads and the sealing faces on the filter head 2 and on the housing 1.
Insert with care the new element 3 onto the centring pin 6.
Reattach the filter housing 1, screw it by hand to the stop and than tighten it with a wrench using the hexagon head at the bottom of the housing 1 (tightening torque: N.m).