MAINTENANCE EVERY 500 OPERATING HOURS 30.2 CHANGING THE FILTER CARTRIDGE OF THE HYDRAULIC SYSTEM See chapter „Maintenance After the First 50 Operating Hours“. 30.3 CLEANING THE WATER SEPARA- TOR Keep a container ready for collecting the liquid from the water separator (1). 1 - Loosen the drain plug (2). 2 - Let the water and fuel run off. 3 - Loosen the screw (4) at the bottom side. 4 - Remove the housing (5) from the cover. 5 - Remove the gasket (6). 6 - Remove the filter element (7), the gasket (8) and the spiral spring (9). 7 - Remove water and dirt from the housing. 8 - Clean the filter element and blow-dry it with compressed air.
9 - Check the filter element and replace it, if it is damaged. 10 - Re-insert the spiral spring, the gasket (8) and the filter ele- ment. 11 - Position the gasket (6) and the housing. 12 - Insert a new o-ring (10). 13 - Re-tighten the drain plug at the bottom side. 14 - Remove the attachment screw (3). 15 - Fill up the water separator with fuel. 16 - Re-tighten firmly the attachment screw. 169 1 2 75 231 3 4 5 6 2 1