Graco 334135B important safety instructions Problem Cause Solution

Page 38

Troubleshooting

Problem

Cause

Solution

 

 

 

 

 

 

Machine dispensing off ratio

One tank is empty

Check tank levels. Add material if

 

 

necessary.

 

 

 

 

Tank ball valve closed

Open tank ball valve. Prime machine.

 

 

 

 

Machine out of phase

Re-phase machine.

 

 

 

 

Check valve malfunction

Remove check valve; clean or

 

 

replace as necessary.

 

 

 

 

Piston worn or broken

Replace piston.

 

 

 

Pumps drawing material back from

Check valve stuck open

Remove check valve, clean or

valve hose

 

replace as necessary.

 

 

 

38

334135B

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Contents Important Safety Instructions PR70eContents Models Related ManualsElectric Shock Hazard Fire and Explosion Hazard IG Machine Key Component IdentificationMachine Local Control Module LCM AB System Shut-Down KeyRun Screen Screen Overview and Appendix C LCM SetupLCM Screen Navigation Component Identification 334135B Standard Dispense Valves, 255179 Recommended PartsDispense Valve Gun Mounted MD2 Valves, LC0120 and LC0122Lever Actuated MD2 Valves, LC0121 and LC0123 Part Description QuantityMixers Shroud Reference Number and Description1301 1302 1303 Mixer Package DescriptionApplicator Mounting Part Description Mounting, valve, HMI Mounting, HMIHigh Temperature Grease Footswitch Air Filter and Ball Valve, 24R707Tanks Quantity Part Description 24W415 24W416 24W417 Hose Packages Unheated, Non-Recirculating HoseRecommended Parts 334135B Piston Package Nylon Piston, Stainless Steel Metering Tube AssembliesUhmw Piston, Stainless Steel Metering Tube Assemblies UhmwPump Tube Combination Information Shot Size cc Air Motor In. Air MotorGrounding InstallationMachine Installation General Grounding GuidelinesInstall the Chemical Hoses Install the Dispense Valve and Support Arm, if neededGround System Electrical RequirementsSetup Piston Position CalibrationEngaged Piston Position Perform Pressure Relief Procedure onNavigate to the Shot Mode Screen or Operator Mode Screen Manually Move the Piston Drive BlockPrime the Dispense Head Prime Dispense HeadPrepare the Machine Phasing AdjustmentAdjust Dispense Quantity Navigate to the Phasing Shot Calibration ScreenAdjust Phasing Adjust Dispense Valve Snuff Back Adjust Open Dispense Valve ODV Timing Operator Mode ScreenOperation Pressure Relief ProcedureNavigate to the Maintenance Mode Run Screen StartupRelieve pressure. See Pressure Relief Procedure, ShutdownDisassemble and Clean the Dispense Head MaintenanceClean the Pump Shafts ScheduleInstall Upgrade Token Remove Access PanelTroubleshooting Problem Cause SolutionProblem Cause Solution Code Name Type Causes Fixes Condition LCM Error CodesTrigger Entries in Position CalibraRepair HydraCheck Kit Installation, 24W336Prepare Machine for Kit Installation Adjust Shock Resistance Install Adjustment Screw/CapAdjust the Adjustment Screw/Cap Air Cylinder Rebuild Instructions Disassemble the Air CylinderClean and Inspect the Parts Re-Assemble the Air CylinderRear Pump Rebuild Instructions Assemble the Rear Pump Assembly Prepare for OperationDisassemble Cylinder Piston/Cylinder Replacement Kit InstallationInstall Cylinder Check Valve Rebuild Kit Installation Parts Fixed Ratio Base24V935, Pump 24V936, Pump Part Description Assembly Pump Sub-Assembly, 24S053 Check Valve, Assembly LC0093 CollarFixed Ratio Drive Block Assembly, LC0107 206 201 204 205 202 203Air Cylinder, 24V933 24V933, Motor 24V934, Motor Part Description AirFixed Ratio Frame Sub-Assembly, LC0290 Uhmw Piston, Ceramic Metering Tube Assemblies Ring, support Carbide Package Pump Piston Washer Screw BallSchematics Electrical SchematicsElectrical Schematic DB25 Pin Number Pin Function Description Pneumatic SchematicDB25 Pin Function Schematics 334135B Appendix a LCM Icon Overview Adjust Phasing Shot AdjustPosition Adjust Amount AdjustShot Mode Screen Splash Screen Operator Mode ScreenDisable Mode Screen Mode Selection Programming ScreenError Code Acknowledgement Screen Maintenance Mode Run ScreenShot Amount or Stroke % Adjust Screen Run Screen while DispensingPhasing Shot Calibration Screen Appendix C LCM Setup Screen OverviewSetup Screen Password Set/Clear Screen LCF Piston Size mm2 Nylon and Uhmw Piston Replacement KitsKits LCE Piston Size mm2Recommended Spare Parts MD2 ValveDimensions Dimensions Technical Data Graco Standard Warranty Graco Information
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