Pressure Relief Procedure | Graco EQ300C specs

Pressure Relief Procedure

Pressure Relief Procedure

Follow the Pressure Relief Procedure whenever you see this symbol.

This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from pressurized fluid, such as splashing fluid, follow the Pressure Relief Procedure when instructed.

1. Turn the pot pressure regulator (PR) off.

2.Close the abrasive ball valve.

3.Turn the compressor off and close the inlet ball valve. Close the compressor supply air valve. Engage the blast control switch to relieve pressure in the system. Then disconnect the air inlet hose from the system.

4.Turn the selector valve (SL) to FILL.

5.Open the dump valve.

6.Verify that the pot pressure gauge (PG) displays zero pressure.

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Graco EQ300C manual Pressure Relief Procedure

Contents

Important Safety Instructions EcoQuip Vapor Abrasive Blast System Models Related Manuals Dust and Debris Hazard Burn Hazard Compressor Size and Hose Length Minimum ID Metric OEM System GuidelinesMetric System Component Identification EQ300C and EQ600C DataTrak see DataTrak Controls, DataTrak ControlsKey Pressure Relief Procedure Checklist Before Starting Operation Connecting the Blast Hose and Air Hose Setting Up the Equipment 10 gal 200-500 lb Ti24824a 0 0 0 8 8 0 0 0 3 Blasting Tips Blasting on Higher Surfaces Metering Valve Settings Grit Size Blast Pressure Abrasive Dose Blast Angle GeneralWood Steel Using the Wash Feature Refilling the Pot with Abrasive Shutting Down Operation Winterizing the Equipment Troubleshooting Problem Cause SolutionSee Cleaning the Auto-Vent Valve, See Repairing the Main Air Regulator See Setting Up the Equipment, See Repairing the Diaphragm ValveProcedure see Shutting Down, Intact. See Hose Schematic, Properly. See Hose Schematic, Metering Valve Settings,See Pressure Relief Procedure, Setting Up the Equipment, If flushing does not solve the problem, see Troubleshooting Examples Checking for Leaks Pneumatic Blast Control Circuit Repair Repairing the Main Air RegulatorPerform Pressure Relief Procedure, Flushing the Diaphragm Valve Repairing the Diaphragm Valve Perform the Pressure Relief Procedure, Cleaning the Auto-Vent Valve Approved Batteries Replacing the DataTrak BatteryReplace Battery Approved Fuses DataTrak Part Series Letter Fuse Required Replacing the DataTrak FuseReplace Fuse Parts EQ300C and EQ600C EQ300C and EQ600C Parts List Pressure POT Enclosure Enclosure Parts List Part Description Qty Ref. Part Description Qty Pressure Pot Parts ListPressure Pot Hose Schematic Vapor Abrasive Blast Systems and Accessories EcoQuip Skid SystemsEcoQuip Trailer Systems Model Series Brakes Mobile/Skid Units Trailer UnitsModel Model Description Model Description Type Length Blast Control HosesNozzles Other Accessories Common Spare Parts Dimensions EQ600S Technical SpecificationsEQ300S Graco Extended Warranty for EcoQuip Components Graco Information