Komatsu — 1.5. Table of contents

Introduction 1.5. Table of contents 5.7.3. Maintenance after the first 50 operating hours ............................................................................... 5-37 Hydraulic system, replacing the filter insert .................................................................................... 5-37 Checking and tightening the wheel nuts......................................................................................... 5-38 5.7.4. Maintenance after the first 250 operating hours .............................................................................

5-39 Front and rear axle – oil change..................................................................................................... 5-39 Transfer box – changing oil ............................................................................................................ 5-40 Checking and adjusting the valve clearance ................................................................................. 5-40 5.7.5. Maintenance every 10 operating hours .......................................................................................... 5-41 Lubrication of articulated steering...................................................................................................

5-41 5.7.6. Maintenance every 50 operating hours .......................................................................................... 5-42 Battery – checking the acid level .................................................................................................... 5-42 5.7.7. Maintenance every 250 operating hours ........................................................................................ 5-44 Lubrication of work unit................................................................................................................... 5-43 Service brake – Checking the brake pads......................................................................................

5-44 V-Belt, generator – checking and adjusting the tension.................................................................. 5-44 Air filter, removing and re-installing the filter insert, checking and cleaning the filter insert............ 5-46 Lubrication, steering cylinder.......................................................................................................... 5-49 Lubrication, self-aligning bearings of rear axle ............................................................................... 5-50 5.7.8. Maintenance every 500 operating hours ........................................................................................

5-51 Service brake - Checking the brake pads and brake discs, checking the oil level ......................... 5-51 Engine – changing oil ..................................................................................................................... 5-52 Replacing the oil filter cartridge ...................................................................................................... 5-53 Changing the fuel filter element...................................................................................................... 5-54 Bleeding the fuel system.................................................................................................................

5-55 Bleeding the low pressure side:...................................................................................................... 5-55 Bleeding the high pressure side: .................................................................................................... 5-55 Air filter, replacing the filter insert, replacing the safety filter........................................................... 5-56 Heater/air conditioning – cleaning/replacing filter fleece ................................................................ 5-57 Multi-functional lever accumulator - checking gas pressure.........................................................

5-58 E.C.S.S.-pressure accumulator (Option) - checking gas pressure................................................ 5-58 Front and rear axle – checking the oil level .................................................................................... 5-59 5.7.9. Maintenance every 1000 operating hours ...................................................................................... 5-61 Transfer box – checking and refilling oil ......................................................................................... 5-60 V-Belt, generator – checking and adjusting the tension..................................................................

5-61 Service Brake - Checking and refilling oil ....................................................................................... 5-61 Checking and adjusting system pressures ..................................................................................... 5-61 Hydraulic – Exchanging the venting filter........................................................................................ 5-62 Hydraulic system, replacing the filter insert .................................................................................... 5-63 5.7.10. Maintenance every 1500 operating hours ......................................................................................

5-64 Transfer box – changing oil ............................................................................................................ 5-65 Front and rear axle – changing oil .................................................................................................. 5-64 5.7.11. Maintenance every 2000 operating hours ...................................................................................... 5-66 Cooling system – exchanging coolant and cleaning the system .................................................... 5-66 Hydraulic system - changing oil......................................................................................................

5-69 Checking and adjusting the valve clearance ................................................................................. 5-68 Ventilating the hydraulic oil tank ..................................................................................................... 5-70 Checking the fuel pump.................................................................................................................. 5-71 Checking the fuel and coolant tubes, replacing the tubes (if required)........................................... 5-71 WA90-5 – VEAM270100 1-17