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nation display (2) becomes visible.
If the filter element in the oil filter is not immediately replaced, un-
filtered oil is routed into the electrohydraulic system.
10.9.1 Check oil filter
Check interval:
Every 8 operating hours
The oil filter is equipped with a visual con-
tamination display with memory function.
Contaminants slowly clog up the filter. This
leads to a differential pressure between the
filter intake and the filter drain. Starting at a
differential pressure of 5 bar, the contami-
nation display is shown. The red contami-
nation marking becomes visible.
In case of a red contamination display:
Replace oil filter.
10.9.2 Replace oil filter
Deactivate the tractor control unit for
electrohydraulic operation.
Switch off the operation terminal.
Activate the parking brake of the tractor.
Switch off the tractor engine.
Remove the ignition key.