MAINTENANCE 4 4-8 SK210(LC)/SK250(LC)–VI Dynamic Acera OM, 09/00 Rev.2 SYSTEM MAINTENANCETOPERFORM LOCATION INTERVAL(WorkingHours) 8 50 120 250 500 1000 2000 Page HYDRAULIC SYSTEM Hydraulicoillevel RHsideofhyd.tank X 4-16 Checkhydraulicfunctions Operator'scontrols X 4-17 Checkforoilleaks Hosesandcomponents X 4-17 Checkhosesandlines Completemachine X 4-60 Cleansuctionscreen Hydraulictank X 4-48~4-50 Changereturnfilters Hydraulictank O X 4-30 Cleanpilotsystemfilter Pilotvalveonsideof hydraulictank O X 4-31 Hydraulicoilchange Hydraulictank X 4-48~4-50 Cleanhydraulicoiltank Hydraulictank X 4-48~4-50 Changehydraulictankbreather Hydraulictank X 4-51 UPPER FRAME Checkswingreductionunitoillevel Swingreductionunit O X 4-35,4-36 Changeswingreductionoil Swingmotorred.unit O X 4-42 Lubricateswingbearing Swingbearinghousing O X 4-34 Checkswingbearingseal Swingbearingseal O X 4-35 Checktorqueonslewingringbolts Slewingring O X 4-35 Checkslewingringpinion,gear,and greasebath Inspectionplatenextto boomfootarea O X 4-34 Drainwaterfromslewing ringgreasebath Lowerframecavity- drainport O X 4-34 Changegreaseinslewingringbath Removeupperbody X 4-58 Checkswiveljointseal Swivelvalveinfrontof swingmotor O X 4-34 Checkcounterweightbolts Counterweight O X 4-35 Inspectandcleanstepsandhandrails X 4-18 Checkbolts/torque Upperstructure O X OPERATOR’S CONTROLS Checkhydraulicfunctionsand switches Operator'scontrol& controlpanels X 4-17 Checktravelalarm Operator'scontrolpanel X Sect.2 Checklights Boom,front&back X Sect.2 Checkmonitoralarm(buzzer) Operator'scontrolpanel X Sect.2 Checkgaugeclusterandindicators Clustergauge X Sect.2 Checkhorn LHsidecontrol X Sect.2 Lubricatecontrolleverjoints Controllevers X 4-36 O - Break in (After first 50 Hrs) Inspection & Maintenance Required.
X - Regular Inspection & Maintenance Required.