Graco 3A2495C important safety instructions Smart Module Replacement

Page 52

Repair

Smart Module Replacement

If the Error display appears, the Smart Module has lost communication with the power supply. Check for good connections between the Smart Module and the power supply.

If the module’s LEDs are not lighting, replace the module.

1.See Prepare the Gun for Service, page 39.

2.Remove the pivot screw (31e), o-ring (31f), and ES HI/LO switch (31c) at the bottom left corner of the Smart Module cartridge (31a).

3.Remove the remaining three screws (31d) from the cartridge.

4.Pull the Smart Module out the back of the gun. Disconnect the ribbon cable (RC) from the connector (GC) in the gun handle.

5.Remove the gasket (31b).

6.Install a new gasket (31b) on the new cartridge (31a). Make sure the notched corners of the gasket are at the top.

7.Align the module’s ribbon cable (RC) with the gun’s cable (GC) and slide them securely together, as shown. Tuck the connected cables into the recess of the gun handle. Install the module flush to the back of the gun handle.

8.Install the pivot screw (31e), o-ring (31f), and ES HI/LO switch in the bottom left corner of the cartridge (31a).

9.Install the three remaining screws (31d). Torque to 7–9 in-lb (0.8–1.0 N•m).

Figure 42 Smart Module

Figure 43 Align Ribbon Cables

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3A2495C

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Contents Important Safety Instructions InstructionsContents Smart Display Standard Display II 2 GFIRE, EXPLOSION, and Electric Shock Hazard Skin Injection Hazard Equipment Misuse Hazard Gun Overview How the Electrostatic AA Spray Gun WorksChart, page 62, for avail Setup Checklist,Description Purpose See Spray Tip SelectionOperating Mode Bar Graph Smart GunsError Display Key for Figs Description Purpose Description Purpose Diagnostic Mode Alternator Speed Hertz Screen Installation Ventilate the Spray BoothFluid Supply Line Air Supply LineHose Typical Installation Key Description NON-HAZARDOUS AreaGun Setup Gun Setup ChecklistGun Setup LED Indicator Colors Description Pressure DropGrounding Key to Figs Ground the Operator Ground the Gun Check Gun Electrical Grounding Flush Before Using Equipment Check Fluid ResistivityCheck Fluid Viscosity Fluid Resistivity Levels Megohms-cmPressure Relief Procedure OperationStartup ShutdownMaintenance FlushingClean the Gun Daily Maintenance Daily System Care Check Gun Electrical Grounding,Electrical Tests Test Gun ResistanceTest Power Supply Resistance Alternator Removal and Replacement,Test Gun Barrel Resistance Troubleshooting Spray Pattern TroubleshootingProblem Cause Solution Clean the Gun Daily,Gun Operation Troubleshooting Replacement, Power Supply RemovalReplacement, page 45 Test Gun Resistance,See Clean the Gun Daily, Replacement, page 52Prepare the Gun for Service RepairAir Cap, Spray Tip, and Fluid Seat Housing Replacement See Prepare the Gun for Service,Electrode Replacement See Test Gun Resistance,Fluid Filter Replacement Fluid Tube Removal and ReplacementGun Barrel Installation Gun Barrel RemovalFluid Needle Replacement Remove Cap and SpringsPower Supply Removal and Replacement See Prepare the Gun for Service, See Gun Barrel Removal,Alternator Removal and Replacement Alternator Fan Air Adjustment Valve Repair Fan Air Adjustment ValveAtomizing Air Adjustment Valve Repair ES On-Off Valve Repair See Gun Barrel Installation, Air Valve RepairSmart Module Replacement Smart ModuleAir Swivel and Exhaust Valve Replacement Air Inlet Fitting and Air Exhaust ValveStandard Air-Assisted Spray Gun Assembly PartsDescription Qty Smart Air-Assisted Spray Gun Assembly See Smart Module Assembly Alternator Assembly Part No N664 Alternator AssemblyES On-Off Valve Assembly Part No N632 ES On-Off Valve AssemblyFan Air Valve Assembly Part No N634 Fan Air Valve AssemblyAir Cap Assembly Smart Module Assembly Spray Tip Selection Chart AEM Fine Finish Spray TipsAEF Fine Finish Pre-Orifice Spray Tips Orifice Fluid OutputOz/min l/min 41 bar MPa Bar Spray TipRepair Kits, Related Manuals, and Accessories Gun AccessoriesSystem Accessories Test EquipmentOperator Accessories HosesDimensions Gun Model In. mm Weight, oz gTechnical Data Graco Pro Xp Warranty Graco Information