Graco Inc 247936, 312900C, 247937 Gun Repair, Prepare the Gun for Repair

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Gun Repair

Gun Repair

Prepare the Gun for Repair

Electric Shock Hazard

Installing and repairing this equipment requires access to parts that may cause electric shock or other serious injury if the work is not performed properly. Do not install or service this equipment unless you are trained and qualified.

Pressurized Equipment Hazard

To reduce the risk of injury, follow the Pressure Relief procedure on page 19 before checking or servicing any part of the system and whenever you are instructed to relieve the pressure.

Check all possible remedies in Gun Operation Troubleshooting before disassembling the gun.

Use a vise with padded jaws to prevent damage to plastic parts.

Lubricate the power supply seal (18a), some pack- ing rod parts (26), and certain fluid fittings with dielectric grease (40), as specified in the text.

Lightly lubricate o-rings and seals with non-silicone grease. Order Part No. 111265 Lubricant. Do not over-lubricate.

Only use genuine Graco parts. Do not mix or use parts from other PRO Gun models.

Air Seal Repair Kit 244781 is available. The kit must be purchased separately. Kit parts are marked with an asterisk, for example (6*).

Fluid Seal Repair Kit 244911 is available. The kit must be purchased separately. Kit parts are marked with a double asterisk, for example (5†).

1.Flush the gun, page 18.

2.Relieve the pressure, page 19.

3.Disconnect the gun air and fluid lines.

4.Remove the gun from the worksite. Repair area must be clean.

312900C

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Contents II 2 G EEx 0.24 mJ PRO Xs Waterborne Air Spray GunTable of Contents FIRE, EXPLOSION, and Electric Shock Hazard Equipment Misuse Hazard Standard Model 247936 OverviewHow the Electrostatic Air Spray Gun Works Smart Model 247937Air swivel inlet. Left-hand thread Fan air adjustment valve. Adjusts fan size ES indicator 247936 only. Green when ES is on Installation Install the SystemVentilate the Spray Booth Typical Installation Key Connect the Air Line Connect the Charging ProbeGrounded Air Supply Hose Connect the Exhaust Tube Connect the Fluid LineFilter the Fluid Orifice Size Select a Fluid Nozzle and Air CapFire, Explosion, and Electric Shock Hazard GroundingCheck Fluid Resistivity Check Electrical GroundingPrepare to Paint Check Fluid ViscosityTurn ES ON/OFF switch on Flush Pressure Relief ShutdownPressurized Equipment Hazard Clean Gun Daily MaintenanceDaily System Care See Check Electrical Grounding on Electrical TroubleshootingElectric Shock Hazard See Test Total Gun Resistance onTest Charging Probe Resistance Electrical TestsTest Gun Resistance Test Total Gun ResistanceTest Barrel Resistance Test Power Supply ResistanceSpray Pattern Troubleshooting Gun Operation Troubleshooting Prepare the Gun for Repair Gun RepairReplace Fluid Needle Replace Air Cap/NozzleRemove Fluid Packing Remove Fluid PackingPacking Rod Repair Packing RodRemove Barrel Install BarrelPower Supply Remove and Replace Power SupplyRemove and Replace Turbine Alternator Repair Fan Air Adjustment ValveRepair Air Valve Repair Fluid Adjustment ValveRepair ES ON/OFF Valve Remove and Replace Atomizing Air Restrictor ValveParts Part No 60 kV Electrostatic Gun, Series a Standard modelRef. No Multi-tool Part No 60 kV Electrostatic Gun, Series a Smart model Smart Model controls Ref. No Alternator Ref. No Fan Adjustment ValveRef. No Packing Rod Ref. No ES ON/OFF ValveDescription Qty Description Qty Accessories Air Line AccessoriesFluid Line Accessories Miscellaneous Accessories Gun AccessoriesCategory Data Technical DataGraco Information Graco Warranty