Graco Inc 24C934, 313872B, 257999, 24C932, 24C933, TI14450a important safety instructions Contents

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Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Orifice Flow Area Ratio Chart . . . . . . . . . . . . . . . 4

Fixed Orifice Flowrate Data . . . . . . . . . . . . . . . . . 5

Variable Orifice Flowrate Data . . . . . . . . . . . . . . 6

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Important Two-Component Material Information 11

Isocyanate Conditions . . . . . . . . . . . . . . . . . . . . 11 Material Self-ignition . . . . . . . . . . . . . . . . . . . . . 11 Keep Components A and B Separate . . . . . . . . 11 Moisture Sensitivity of Isocyanates . . . . . . . . . . 11 Foam Resins with 245 fa Blowing Agents . . . . . 11 Changing Materials . . . . . . . . . . . . . . . . . . . . . . 12 A (Red) and B (Blue) Components . . . . . . . . . . 12

Throat Seal Liquid . . . . . . . . . . . . . . . . . . . . . . . . . 13

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Piston Safety Lock . . . . . . . . . . . . . . . . . . . . . . . . 13

Trigger Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Loss of Air Pressure . . . . . . . . . . . . . . . . . . . . . . . 14

Hook Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Component Identification . . . . . . . . . . . . . . . . . . . 16

Cutaway View . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . 18

Gun Triggered (Fluid Pouring) . . . . . . . . . . . . . 18 Gun Detriggered . . . . . . . . . . . . . . . . . . . . . . . . 18

Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Adjust Orifices . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Optional Hose Position . . . . . . . . . . . . . . . . . . . 21

Pressure Relief Procedure . . . . . . . . . . . . . . . . . . 22 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Short Term Shutdown . . . . . . . . . . . . . . . . . . . . 23 Long Term Shutdown . . . . . . . . . . . . . . . . . . . . 23

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Supplied Tool Kit . . . . . . . . . . . . . . . . . . . . . . . . 24

Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Bleed Throat Seal Liquid Cartridge . . . . . . . . . . 24

Flush Gun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Clean Outside of Gun . . . . . . . . . . . . . . . . . . . . 25

Clean Breather Plug . . . . . . . . . . . . . . . . . . . . . 26

Clean Fluid Manifold . . . . . . . . . . . . . . . . . . . . . 26

Clean Check Valves . . . . . . . . . . . . . . . . . . . . . 27

Clean Fluid Housing Passages . . . . . . . . . . . . . 28

Clean Orifice . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Replace Mix Chamber and Front Seal . . . . . . . 30

Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Tools Required . . . . . . . . . . . . . . . . . . . . . . . . . 31

Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Replace Throat Seal Liquid Cartridge . . . . . . . 31

Remove Front End . . . . . . . . . . . . . . . . . . . . . . 33

Disassemble Front End . . . . . . . . . . . . . . . . . . . 34

Assemble Front End . . . . . . . . . . . . . . . . . . . . . 34

Attach Front End . . . . . . . . . . . . . . . . . . . . . . . . 35

Pistons and Bulkhead . . . . . . . . . . . . . . . . . . . . 35

Purge Rod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Solenoid Valve . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Electrical Diagram . . . . . . . . . . . . . . . . . . . . . . . 41

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Orifice Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Drill Bit Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Complete O-ring Placement Guide . . . . . . . . . . 52

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Lubricant for Gun Rebuild . . . . . . . . . . . . . . . . . 53 Throat Seal Liquid Cartridges . . . . . . . . . . . . . . 53 Fluid Inlet Cover . . . . . . . . . . . . . . . . . . . . . . . . 53 Gun Cleaning Kit . . . . . . . . . . . . . . . . . . . . . . . . 53 Flushing Manifold . . . . . . . . . . . . . . . . . . . . . . . 53 15B817 Manifold Block . . . . . . . . . . . . . . . . . . . 53 Circulation Manifold . . . . . . . . . . . . . . . . . . . . . . 53 Reactor IP Harness . . . . . . . . . . . . . . . . . . . . . . 53 Solvent Flush Canister Kit . . . . . . . . . . . . . . . . . 54 Solvent Flush Pail Kit . . . . . . . . . . . . . . . . . . . . . 54

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 58 Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 58

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313872B

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Contents Important Safety Instructions EP GunContents Related Manuals Orifice Flow Area Ratio Chart ModelsFixed Orifice Flowrate Data EP Fixed Orifice Flow DataFlowrate gpm Variable Orifice Flowrate DataOrifice Diameter Variable Orifice Flowrate Data 1500 PSI Variable Orifice Flowrate Data 2000 PSI Toxic Fluid or Fumes Hazard Fire and Explosion Hazard Important Two-Component Material Information Changing Materials Red and B Blue ComponentsGrounding Piston Safety LockThroat Seal Liquid Trigger LockLoss of Air Pressure Hook SupportHook Support 313872B Component Identification KeyCutaway View Gun Detriggered Theory of OperationGun Triggered Fluid Pouring Setup Order to increase the pressure, turn the needle clockwise Adjust OrificesPerform Bleed Throat Seal Liquid Cartridge pro- cedure. See Follow Pressure Relief Procedure, Optional Hose PositionPressure Relief Procedure Short Term Shutdown Perform Pressure Relief Procedure onShutdown Long Term ShutdownLubrication MaintenanceSupplied Tool Kit Bleed Throat Seal Liquid CartridgeClean Outside of Gun Flush GunFollow Pressure Relief Procedure Clean Breather PlugClean Fluid Manifold Clean Check Valves Remove Front End, see Clean Fluid Housing PassagesFollow Pressure Relief Procedure on Clean Orifice Replace Mix Chamber and Front Seal Perform Replace Throat Seal Liquid Cartridge,Replace Throat Seal Liquid Cartridge RepairTools Required Perform Bleed Throat Seal Liquid Cartridge pro- cedure, see Perform Pressure Relief Procedure, Remove Front EndDisassemble Front End Assemble Front EndPistons and Bulkhead See Attach Front End procedureAttach Front End Access Pistons Bulkhead Shaft Purge Rod Solenoid Valve 26-3.39 Nm. See Component Identification onTroubleshooting Problem Cause SolutionProblem Cause Solution Electrical Diagram Parts Model 257999 ShownOrifice, Auto Hand-Held RingOrifice, Auto Hand-Held Kits on KitsSee Orifice Orifice 24C751 Orifice Housing 24C756 Ring 24C805 24C815 Kits Kits Located inside back cap Model Iso Model Polyol Orifice Kit Orifice KitsImpingement Kit Type and Kit Number Kit Illustration Drill Bit KitsKit Drill Bit Qty Orifice Size Number Complete O-ring Placement Guide Ref PartAccessories 248299 5.0 gal liter Pail Solvent Flush Canister KitSolvent Flush Pail Kit Technical Data Models without Handle 6.4 lb 2.9 kgDimensions Ref Dimension, in. mmTechnical Data 313872B Graco Standard Warranty Graco Information
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