Problem, Cause, Solution, Troubleshooting

Contents 4000 psi 27.6 MPa, 275.8 bar Maximum Working Pressure RepairRelated Manuals Korean patentRECOIL HAZARD FIRE AND EXPLOSION HAZARDSKIN INJECTION HAZARD PRESSURIZED EQUIPMENT HAZARDSUCTION HAZARD EQUIPMENT MISUSE HAZARDMOVING PARTS HAZARD PRESSURIZED ALUMINUM PARTS HAZARDti7107b Component IdentificationComponent Identification ti7133Grounding Pressure Relief ProcedureOperation General Repair InformationFrequency MaintenanceProcedure Spark PlugTroubleshooting PROBLEMSOLUTION CAUSESOLUTION Displacement Pump Replacement Displacement Pump ReplacementRemoval 2. Relieve pressure, pageti7779 Installation9. Connect suction hose 147 to pump outlet 7. Install clip pin 121 to secure8. Install filter housing 110, page 110 121 125ti7847 Pump Power Head Replacement1. Relieve pressure, page Pump Power Head Replacementti7853 101 100ti7777 Hydraulic Motor Hydraulic Motor1 450 in-lb 51 N.m 2 600 in-lb 68 N.m 3 60 in-lb 7 N.m 4 930 in-lb 105 N.m Torqued in 3 stepsti7850 Filter Housing ReplacementFilter Housing Replacement ti7845Draining Oil Hydraulic Pump Replacement2. Drain oil, Changing Hydraulic Oil procedure, page Changing Hydraulic Oilti7807 ti7796ti7795 ti778311. Remove hydraulic pump ti7812 ti7111b ti7810ti7767 ti7889Installing Belt Belt Removal and Replacement recommended methodRemoving Belt Alternate Belt Removal and Installation Replacing Oil Reservoir ti7846 ti7786 ti7791ti7806 ti7766 ti7781ti7784 Drain Plug 8. Replace capChanging Hydraulic Fluid Filter ti7802 Cooler ReplacementCooler Replacement ti77994. Replace bar and screws. Torque to 25-30 in-lb 2.8-3.4 N.m Removal Motor ReplacementInstallation Replacing Motor Fanti7797 Fixed Mounting optional Removing HandleRepositioning Handle Securing Unit to Vehicle Bed Sound Levels Technical DataDimensions SprayerGraco reserves the right to make changes at any time without notice Warrantymm This manual contains English Warranty