Graco Inc 312414J Troubleshooting, Problem Cause Solution, Right, Wrong

Page 12

Troubleshooting

Troubleshooting

Problem

Cause

Solution

 

 

 

Spray Pattern

Normal pattern.

No action necessary.

Right

 

 

Spray Pattern

Dirty or damaged air cap or

Rotate air cap (13) 180°.

 

fluid nozzle.

 

If pattern follows air cap, prob- lem is in air cap. Clean and inspect. If pattern is not cor- rected, replace air cap.

Wrong

 

If pattern does not follow the air

Heavy top

 

or bottom

 

cap, the problem is with the

 

 

fluid nozzle (11). Clean and

 

 

inspect the nozzle. If the pat-

 

 

tern is not corrected, replace

 

 

nozzle.

Spray Pattern

Pressure too high for viscosity

Reduce air pressure and

 

of material being sprayed.

increase material viscosity.

 

 

Correct pattern by narrowing

 

 

fan size with the fluid control

Wrong

 

valve (8).

Split pattern

 

 

Spray Pattern

Dirty or distorted air horn

Clean and inspect air cap (13).

 

holes.

If pattern is not corrected,

 

 

replace air cap.

Wrong

 

 

12

312414J

Image 12
Contents Important Safety Instructions AirPro Pressure Feed Airspray GunContents Models Metal Spray GunsMetal with Stainless Steel Tip AutomotiveStain WaterborneHigh Wear AdhesivesFire and Explosion Hazard Gun Selection Conventional GunsHvlp Guns Compliant GunsSetup Flush Before Using EquipmentConnect Air and Fluid Lines Ground the GunAdjust Spray Pattern Pressure Relief Procedure OperationApply Fluid Volatile Organic Compounds VOC RegulationDaily Gun Maintenance General TasksFlush Clean Gun Compliant Cleaning MethodsTroubleshooting Problem Cause SolutionRight WrongTroubleshooting Disassembly Follow Pressure Relief Procedure,Repair Reassembly Parts Part Description Qty NeedleParts Accessories Part No. DescriptionRepair Kits General Metal Spray GunsGeneral Metal with Stainless Steel Tip Automotive StainSpatter Air BrushWaterborne High WearNeedle Tips Technical Data Air Inlet PressureSpray Type Application Psi MPa, bar Scfm Graco Standard Warranty Graco Information