MAINTENANCE AFTER THE FIRST 50 OPERATING HOURS HYDRAULIC SYSTEM, REPLACING THE FILTER INSERT Frequent contact between used hydraulic oil and skin may cause skin lesions and other physical damage! Wear rubber gloves when changing the filter. Thoroughly wash off any hydraulic oil adhering to your skin. 1. Lower the work equipment onto the floor. 2. Park the machine. 3. Turn the inlet and ventilation screw (1) several revolutions to let the pressure escape. 4. Clean the surface of the filter cap (2) and the area around the filter cap. 5. Unscrew the filter cap. 6. Pull out the filter element (3) at the handle (4) . 7. Pull the filter element off the handle and dispose of the filter element. 8.
Clean the inner surface of the filter housing. Before you start cleaning, check that there is no undesired material in the fiter housing. 9. Put the handle onto the new filter element. 10. Insert the new filter element into the housing. 11. Screw on the filter cap and tighten it with 2.039 kgm (20 Nm). 12. Ventilate the system at the tank according to the specifica- tion (see "Bleeding the Hydraulic Oil Tank"). 13. Perform a test run and check that the system is tight. 75_223 7-35 2 1 75 257 _