Operator's ManualSixth Edition • Second PrintingPart No. 1261388 S-100 • S-105 • S-120 • S-125 29Do Not Operate Unless:You learn and practice the principles of safemachine operation contained in this operator'smanual.1 Avoid hazardous situations.2 Always perform a pre-operationinspection.Know and understand the pre-operationinspection before going on to the nextsection.3 Always perform function tests prior to use.4 Inspect the workplace.5 Only use the machine as it was intended.Pre-operation InspectionFundamentalsIt is the responsibility of the operator to perform apre-operation inspection and routine maintenance.The pre-operation inspection is a visual inspectionperformed by the operator prior to each workshift. The inspection is designed to discover ifanything is apparently wrong with a machinebefore the operator performs the function tests.The pre-operation inspection also serves todetermine if routine maintenance proceduresare required. Only routine maintenance itemsspecified in this manual may be performed by theoperator.Refer to the list on the next page and check eachof the items.If damage or any unauthorized variation fromfactory delivered condition is discovered, themachine must be tagged and removed fromservice.Repairs to the machine may only be made bya qualified service technician, according to themanufacturer's specifications. After repairs arecompleted, the operator must perform apre-operation inspection again before going onto the function tests.Scheduled maintenance inspections shall beperformed by qualified service technicians,according to the manufacturer's specificationsand the requirements listed in the responsibilitiesmanual.Inspections