Graco 312787G Replace a Solenoid, Replace the Color Change Board Fuse

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Replace a Solenoid

1.Remove air supply pressure from the system. Remove the color change module cover (30).

2.Disconnect the 2 solenoid wires from the color change board (15). See FIG. 7, the Color Change Module Electrical Schematic on page 15, and the System Electrical Schematic on page 17.

3.Unscrew 2 screws (P) and remove the solenoid (4). See FIG. 6.

4.Install the new solenoid (4).

5.Connect the 2 solenoid wires to the color change board (15). Solenoid wires are polarized (red +12Vdc, black –). Refer to the Color Change Mod- ule Electrical Schematic on page 15 and the Sys- tem Electrical Schematic on page 17.

6.Reinstall the cover (30).

Troubleshooting

Replace the Color Change Board Fuse

NOTE: Replacing the fuse with a non-Graco fuse voids the IS system safety approval.

Fuse

Part No.

Description

 

 

 

F1

123690

Fuse; 125 mA, intrinsically safe

 

 

 

1.Remove electrical power from the system. Remove the color change module cover (30).

2.Locate fuse (F1) on the color change board. See FIG. 7. Remove the screw and metal strap.

3.Pull the fuse away from the board.

4.Install new fuse (F1). Reinstall the strap over the fuse.

5.Reinstall the cover (30). Restore electrical power to the system.

Solenoid

Color

Solenoid

 

Identification

 

Identification

Label

 

Label

Color

Catalyst

 

 

 

TI12826a

P

Manual Solenoid Overrides

FIG. 6: Color Change Solenoids

312787G

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Contents Color Change Module Kits Important Safety InstructionsRelated Manuals ContentsKit Part No Series Description ModelsLow Pressure Kits High Pressure KitsMounting InstallationInstall Color Change Control Module LocationIntrinsically Safe can Cables Length in ft m To Install a Second Control ModuleConnect Module to Fluid Station Board Connect Air Supply to Control ModuleInstallation Connect Valve Air Lines Install Color Valve StacksColor Change Board Switch Settings Accessory Dump Valve KitOne Color Change Board Color Change Board Switch Settings for ProMix 3KS SystemsPositions IG Color Change Board Switch SettingsColor Change Solenoid Valves TroubleshootingCause Solution Problem Cause SolutionFuse Description 123690 Fuse 125 mA, intrinsically safe Replace a SolenoidReplace the Color Change Board Fuse 256172 Color Change Board Color Change Board DiagnosticsPin Nos Description Diagnosis Replace the Color Change BoardSystem Pneumatic Diagram Schematic DiagramsColor Change Module Electrical Schematic Wiring DiagramNon-Hazardous Area System Electrical SchematicBoard Hazardous AreaHigh Pressure Color Change Kits PartsLow Pressure Color Change Kits Color Change Kits Parts Description Qty Color Change Control ModulesRef. No see Control Module Part QuantitiesTI12826a Description Qty 277752 2-Color Control Module278095 1 Catalyst/1 Flush Control Module 0 Color Dimensions Control Module Weight, lb kg Technical DataGraco Information Graco Standard Warranty
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