Graco 309295N important safety instructions Barrel Removal, Barrel Installation

Page 31

Barrel Removal

1.Prepare the gun for service, page 25.

2.Carefully loosen the nut (C) from the bracket fluid fit- ting (13). See FIG. 16.

3.Loosen the three screws (11).

CAUTION

To avoid damaging the power supply (18), pull the gun barrel straight away from the gun handle. If nec- essary, gently move the gun barrel from side to side to free it from the gun handle.

4.Hold the gun handle (17) with one hand and pull the barrel (16) straight off the handle.

13 C

11

16

Repair

2.Place the barrel (16) over the power supply (18) and onto the gun handle (17).

3.Tighten the three screws (11) oppositely and evenly (about a half turn past snug).

CAUTION

Do not over-tighten the screws (11).

4.Make sure the fluid filter (1) is in place in the fluid fit- ting. Tighten the bottom fluid tube nut (C) onto the bracket (13) fluid fitting and torque to 20-30 in-lb

(2.3-3.4 N•m). Make sure the top nut remains tight.

CAUTION

Be sure the fluid tube (14) is not twisted after tighten- ing the bottom nut (C).

5. Test gun resistance, page 18.

18

*10

11

16

17

TI1516A

17

ti1517a

Fig. 16. Barrel Removal

Barrel Installation

1.Be sure the gasket (10*, FIG. 17.) and grounding spring (55, FIG. 13.) are in place and the gasket air holes are aligned properly. Replace if damaged.

 

13

 

TI1520B

 

1

14

C

Fig. 17. Barrel Installation

309295N

31

Image 31
Contents 309295N Important Safety InstructionsII 2 G EEx 0.24mJ Smart Model Table of Contents List of Models Fire, Explosion, and Electric Shock Hazard Toxic Fluid Hazard Skin Injection HazardEquipment Misuse Hazard How the Electrostatic AA Spray Gun Works IntroductionStandard Gun Gun OverviewSmart Gun Flammable or Toxic Vapor Hazard InstallationInstall the System Ventilate the Spray BoothHazardous Area Non-Hazardous Area Typical Installation KeySupply Hose Connect the Air LineConnect the Exhaust Tube Electric Shock HazardFilter the Fluid Connect the Fluid LineSelect a Spray Tip Earth ground. See Check Electrical Grounding GroundingCheck Gun Grounding Check Electrical GroundingCheck Fluid Viscosity Check Fluid ResistivityLow Voltage Adjustment Low Voltage Adjustment Smart Guns OnlyOperation Flush the Spray Gun MaintenanceTi1465a Test Gun Resistance Electrical TestsTest Power Supply Resistance Test Power Supply ResistanceTest Barrel Resistance Test Barrel ResistanceSpray Pattern Troubleshooting TroubleshootingProblem Cause Solution Gun Operation Troubleshooting Electrical Troubleshooting Repair Pressure Relief ProcedureTools Needed Prepare the Gun for ServiceTip Guard, Air Cap, and Spray Tip Replace- ment Tip Guard, Air Cap, Spray Tip, or Seat Housing ReplacementRepair Electrode Replacement Electrode ReplacementFluid Filter Removal Fluid Tube ReplacementSpring Cap and Springs Fluid Needle ReplacementBarrel Removal Barrel InstallationPower Supply and Turbine Alternator Power Supply Removal and ReplacementTurbine Alternator Removal and Replacement Atomizing Air Adjustment Valve Atomizing Air Adjustment Valve RepairAir Valve Air Valve RepairES ON/OFF Valve ES ON/OFF Valve RepairPart No 85 kV Electrostatic Gun, Series C items PartsRef. No Alternator Ref. No Atomizing Air Adjustment ValveRef. No ES ON/OFF Valve AIR CAP Description QtyPlug 53 Ref Adjustment valve 20, and ES ON/OFF valveAIR CAP Assembly SWITCH, ES HI/LO Air Line Accessories AccessoriesFluid Line Accessories Miscellaneous Accessories Gun AccessoriesFan Width at Orifice Size Spray Tip Selection ChartCategory Data Technical DataGraco Information Graco Standard WarrantyToll Free