Graco 332709B important safety instructions Replacing a Solvent Flow Switch

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Repair

Replacing a Solvent Flow Switch

1.Follow the steps in Before Servicing, page 34.

2.Remove the screws (56) holding the cover (8) to the front of the unit.

3.Disconnect the solvent ﬂow switch wires from J6 pins 11–12 (Switch 1) or J7 pins 9–10 (Switch 2) on the EFCM. See Electrical Schematics, page 27.

4.Disconnect the solvent lines.

5.Unscrew the adapter (45) from the solvent ﬂow switch (19).

6.Unscrew the solvent ﬂow switch from the elbow (18).

7.Remove the solvent ﬂow switch (159).

8.Screw the new solvent ﬂow switch onto the elbow (18).

9.Screw the adapter (45) into the solvent ﬂow switch (19).

10.Connect the wires to J6 pins 11–12 (Switch 1) or J7 pins 9–10 (Switch 2). Reconnect the solvent lines.

11.Install the cover (8) to the front of the unit with the screws (56).

12.Open the main air shutoff valve on the air supply line.

13.Restore power to the unit. Turn on the power switch (P) at the electrical control box.

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332709B

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Contents ProMix PD2K Proportioner for Automatic Spray Applications Contents Models 0359Model AC2000 High Pressure Identiﬁcation Label Manual No Description Related ManualsManual No Fire and Explosion Hazard Intrinsic Safety Personal Protective Equipment Important Isocyanate ISO Information Isocyanate ConditionsMoisture Sensitivity of Isocyanates Changing MaterialsSystem Troubleshooting TroubleshootingProblem Cause Solution Error Code Troubleshooting Code TypeB9AX B9BXB9SX CAC#CA0X EfcmCddx Eaux EBH#Ebux USBEQU0 EmixEQU1 EQU2 EQU3EQU4 EQU5Mmux Qadx QbdxQPD1 SND1SPD1 WsuxMaintenance Error Codes Code Type Name DescriptionPower Barrier Board Diagnostics Isolation Board Diagnostics Isolation Board DiagnosticsEnhanced Fluid Control Module Efcm Diagnostics Enhanced Fluid Control ModulePump Module Diagnostics Pump Module Diagnostics Component or Indicator FunctionAdvanced Display Module Diagnostics 332709B Electrical Schematics Power ModuleEfcm Efcm J8 J9 J15 J16 J14 J10 J15 J16 Electrical Schematic, Sheet 3, Hazardous Location Optional Cables and Modules Repair Before ServicingWithout Color Change Pressure Relief ProcedureWith Color Change Repairing the Advanced Display Module ADM Replace the ADM Install Key Token or Upgrade TokenReplace the Battery Servicing the Control Box Isolation Board Cable Destination ConnectorReplacing the Isolation Board Detail of Isolation Board Cable Connections Replacing the Barrier Board Replacing the Barrier BoardReplacing the Barrier Board Fuses Replacing the Enhanced Fluid Control Module EfcmReplacing the 24 Vdc Power Supply Replacing the 24 Vdc Power SupplyReplacing the 48 Vdc Pump Power Supply Replacing a Pump Control Module Replacing a Pump Control ModuleReplacing a Communication Gateway Module Replacing the Line Filter Replacing the Line FilterReplacing the Power Switch Replacing the Power SwitchServicing the Fluid Section Installing a PumpRemoving a Pump Electrical Schematics, Replacing a SolenoidModule. See Electrical Schematics, Replacing a FanReplacing a Fan Replacing a Solvent Flow Switch 332709B Parts Proportioner PartsPart No. AC1000 Low Pressure Proportioner Part DescriptionWasher 3/8 Ground WireCABLE, can Control Box Parts Electrical Control BoxPower Supply Electrical Control Box Part DescriptionEnclosure GrommetHARNESS, can Part Description QtyMuffler Connector 1/8 Solenoid Manifold PartsPart No T772 Solenoid Manifold Description PlateTechnical Data Positive Displacement Metric ProportionerGraco Information Graco Standard WarrantyFor Graco Canada Customers