7-2 OM ET18/20/24 us 1.3 * et18_20_24w700.fm77.2 Maintenance overviewMaintenance planDaily maintenance (operator)Inspection work(Check the following engine/machine fluids, check the oil levels after a test run and add oil ifnecessary)PageCheck the engine/machine fluids (engine oil, engine coolant, hydraulic oil) 7-32, 7-34,7-42Check the radiator and hydraulic oil cooler for dirt, clean them if necessary 7-36Lubricate the machine according to the lubrication plan 7-6Check the dirt indicator on the air filter 1 7-37Check the water separator and fuel filter: drain water if necessary (see sight glass) 7-29, 7-30Check the track tension and retighten if necessary 7-49, 7-50Check the engine air intake 7-39Check pin lock --Check line fixtures --Check indicator lights for correct function 4-34Check the hydraulic couplings for dirt --Check the screw connections of the protective structures (cab, for example) for tightness --OptionAdjust the mirrors correctly, clean them and check them for damage, check the fasteningscrews and tighten them if necessary 4-16Leakage checkCheck for tightness, leaks and chafing: pipes, flexible lines and screw connections of the fol-lowing assemblies and components. Repair if necessary PageEngine and hydraulic system --Traveling drive --Cooling systems, heating and hoses (visual check) --OptionHydraulic quickhitch (Easy Lock) and Powertilt (hoses, valve) --Visual checkCorrect function; deformations, damage, surface cracks, wear and corrosion PageCheck the exhaust system for damage --Check the insulating mats in the engine compartment for damage --Check the cab and protective structures for damage (front guard, FOPS, for example) --Check the tracks for cracks and cuts --Check the travel gear for damage (track rollers, insert rolling bearings, for example) --Check the piston rods of the hydraulic cylinders for damage --Check the seat belt for damage --Option