. OPERATION DETAILED CONTROLS AND GAUGES the standard monitor display screen switches to the maintenance mode screen. a: Maintenance items b: Default maintenance interval settings (h) c: Time remaining until maintenance (h) 3 - 33 Maintenance Selector Switch When switch F5 is pressed on screen, the The items on the maintenance display are as follows. a b Engine oil change Engine oil filter change Fuel main filter change 500 500 1000 Fuel pre-filter change Hydraulic oil filter change Hydraulic tank breather change 500 1000 500 Damper case service 1000 Final drive case oil change 1000 Swing machinery case oil change 1000 Hydraulic oil change 5000