Graco 309524N Operation, Pressure Relief Procedure, Initial Flushing, Priming System

Page 14

Operation

Operation

Pressure Relief Procedure

WARNING

Read warnings, page 4.

Follow Pressure Relief Procedure when you stop spraying, and before cleaning, checking, or servicing equipment.

1.Engage the gun safety lock.

2.Shut off main power to the heater.

3.Circulate fluid for at least 10 minutes to cool the heated fluid and heater.

4.Shut off all air and fluid supplies.

5.Disengage the safety lock.

6.Hold a metal part of the gun firmly to a grounded metal pail, and trigger the gun to relieve pressure.

7.Engage the safety lock.

8.Have a container ready to catch the fluid, then open the fluid drain valve.

Initial Flushing

WARNING

Read warnings, page 4.

The heater was tested with lightweight oil, which needs to be flushed out before using the equipment. Ensure main power is off and heater is cool before flushing. Use a compatible solvent, and follow flushing instructions in your fluid supply and spray gun manual. Do not turn on heater until fluid lines are clear of solvent.

Priming System

(Refer to FIG. 1, page 6)

1.Do not turn on the heater yet.

2.If using an airless spray gun, do not install a spray tip yet.

3.Start the pump according to the instructions sup- plied with it.

4.Turn the system director valve (U) to circulate, and circulate fluid for several minutes.

5.Open the spray gun (Q) at the last outlet to prime the line. Repeat for all gun stations.

6.Engage the gun safety latch.

7.Shut off the air supply to the pump.

8.Follow Pressure Relief Procedure.

9.Install the gun spray tip.

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309524N

Image 14
Contents Viscon HP Hazardous Location Heater shownNon-hazardous Location Heaters ModelsHazardous Location Heaters ApprovalsManual Conventions ContentsTranslations Skin Injection Hazard Equipment Misuse Hazard Key InstallationTypical Installation Drawing Chart Notes Selecting TubingBracket Mounting HeaterWall Mounting Fluid Connections Accessories Cart MountingElectrical Connections Requirements For All InstallationsHazardous Location Installation Requirements Grounding Wall Mounted WiringCart Mounted Wiring Determining Proper Fluid Temperature To find your fluid’s Under-Boil temperatureEffect of Temperature on Viscosity Initial Flushing Pressure Relief ProcedureOperation Priming SystemRefer to FIG Setting Heater ControlAdjusting for Spraying Flushing MaintenanceFollow Pressure Relief Procedure, Unclogging Fluid PassagesTroubleshooting Problem Cause SolutionRepair Backup ThermostatReassembly Notes Primary Thermostat & ProbeThermostat Repair Hazardous Location Heaters Heater Block Thermal Limit SensorControl Knob Control Repair Hazardous Location Heaters Parts Hazardous Location HeatersRef. No Heater Block Series Volts / Watts Part No. Description QtyNon-Hazardous Location Heaters Enclosure Accessories Cable Clamp Kit 246303 Installation Cable Clamp Kit KeyTechnical Data Maximum Temperature Rise vs. Flow RateDimensions Graco Standard Warranty For Graco Canada Customers