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Graco Inc GX-7 400, 311321H, GX-7 DI Clean Pattern Control Disc, GX-7A Model Shown

Models: GX-7A 311321H GX-7 DI GX-7 400

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Repair

Clean Pattern Control Disc

1.Set safety stop to CLOSED (SERVICE).

2.Close both manual valves.

3.Turn off air to air cap.

4.Use cotton swab soaked in gun cleaner to clean external surface of material build up. Light scrubbing with impinger cleanout brush may also be required.

a.Trigger gun to SERVICE position and clean orifice area.

It is not always possible to clean all mate- rial build-up from PCD while assembled to gun. In this case, remove PCD and clean

inside radius of disc.

Pattern Control

Disc (PCD)

GX-7A Model Shown

FIG. 30: Pattern Control Disc (PCD)

311321H

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Image 29

Graco Inc GX-7 400, 311321H, GX-7 DI important safety instructions Clean Pattern Control Disc, GX-7A Model Shown

Contents

GX-7 Important Safety Instructions311321H Models ContentsPersonal Protective Equipment Fire and Explosion Hazard Pressurized Aluminum Parts Hazard Model GX-7 DI Overall ViewModel GX-7A Locknut Model GX-7Valving Rod Rear Stop Gun Block Air Cap Valve TriggerGX-7A Centerline Components Centerline ComponentsGX-7 400 Centerline Components GX-7A Mixing Module Mixing ModuleOperation Basics Safety PositionIsocyanate Hazard Keep a and B Components SeparateAir Hose Connection Disengage Safety StopConnect Air Hoses Disconnect Air HosesManual Valves Installation and RemovalCoupling Block Remove Coupling Block Air Inlet ConfigurationOptional Configuration Do not Overtighten Mixing Module and PCD InstallationGX-7 DI Model Only Valving Rod AdjustmentGX-7A and GX-7 400 Models Only Initial Set Up Daily Shutdown Daily Start-upTrigger Gun Pressure Relief ProcedureClean Spray Gun Procedure MaintenanceGun Service Kits Flush Gun Remove Centerline Components Service Screen ScrewRepair Remove valving rod. Rod Draw Bar Valving Rod Install Centerline Components GX-7 DI Shown Replace End Cap and Air Piston AssemblyReplace Trigger Valve O-Ring Replace Trigger Valve O-RingsUnthread Cap from PCD Body Clean Mixing ModuleInstall Mixing Module Install Mixing ModuleGX-7A Model Shown Clean Pattern Control DiscParts GX-7A Model Final AssemblyModule see GX-7A Mix Mod GX-7A Model Final AssemblyNo. Part No. Description GX-7 DI Model Final Assembly No. Part No. Description Qty GX-7 DI Model Final AssemblyModule see GX-7 DI Model Specifications , GX-7 400 Model Final Assembly Module Kit , GX-7 400 Model Final AssemblyGX-7A Model Handle Assembly Description GX-7 Model Handle AssemblyGX-7 DI Model Handle Assembly Description Qty GX-7 DI Model Handle AssemblyGX-7 400 Model Handle Assembly GX-7 400 Model Handle Assembly All models Coupling Block AssemblyGX-7A Mix Module Kit SpecificationsTip Set-Up Chart for GX-7A ModelGX-7 400 Mix Module Kit Module Kits Cleanout Drill Iso PortQuantity In/mm Module Only Size RefTip Kits for GX-7 400 Gun No. Ref Quantity Set-up Chart for GX-7 400 ModelModule/Tip Data for Chemical Sprayed at 2500 PSI Output GX-7 DI Model SpecificationsPattern Lbs/min Round Spray PatternTool Kits Tip KitsFor GX-7A and GX-7 DI Models Round Tip Kits Size QuantityCategory Data Technical DataGraco Standard Warranty