JLG 600A 660AJ from serial 0300177361 维修操作手册.pdf,Service and Maintenance Manual Model 600A 660AJ S/N 0300177361 to Present P/N - 3121616 February 3, 2015 NOTE: This manual also applies to machine with Serial Number 0300176207. INTRODUCTION SECTION
Forthefollowingtroubleshootingsteps,abubblelevel b.Tiltsensormountingonmachineorwedged (smallerisbetter)willbeneededandthemachinemust crookedincontrolbox: beonalevelsurface: Ifthemachinemounting/gradeappearsaccept- able,opentheGroundControlboxcarefully.1.OntheAnalyzer,gotoDiagnostics/Systemandread Observewhetherthe...
Troubleshooting Table3-2.ExcessiveNoiseand/orVibration ItemDescriptionAction CheckoillevelinreservoirInsufficienthydraulicfluidcouldleadtocavitationthatwouldFillthereservoirtotheproperlevelandensurethatoilsupplyto andoilsupplytothemotor.causesystemnoise.themotorisadequateandthelinesareunobstructed. Checkforairinthesystem...
3.7SWINGMOTOR-S/N0300135649TO PRESENT Figure3-10.SwingMotor-Cutaway IFTHEHYDRAULICSYSTEMFLUIDBECOMESOVERHEATED[IN EXCESSOF200°F(93.3°C)],SEALSINTHESYSTEMCAN SHRINK,HARDENORCRACK,THUSLOSINGTHEIRSEALING ABILITY. 3121127–JLGLift–3-21 SECTION3-CHASSISTURNTABLE Table3-3.SwingMotorTroubleshooting TroubleCa...