Graco Inc 311001C important safety instructions Troubleshooting

Page 19

 

 

Troubleshooting

 

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

 

Fluttering or spitting spray.

Insufficient fluid supply.

Adjust fluid regulator or fill fluid supply tank.

 

 

 

 

 

 

Air in paint supply line.

Check, tighten pump siphon hose connec-

 

 

tions, bleed air from paint line.

 

 

Attempting to “feather” (partially

Cannot “feather” with an AA gun. Feather will

 

trigger the gun).

cause drastic reduction of pressure at the tip,

 

 

resulting in poor atomization and/or spitting.

 

 

 

 

Striping spray.

Spray tip partially plugged.

Clean or replace spray tip. See page 14.

Irregular pattern.

Fluid build-up on spray tip, or

Clean or replace spray tip. See page 14.

 

spray tip partially plugged.

 

 

On defective side of pattern, air

Clean air horn holes with solvent and soft

 

horn holes are partially or totally

brush. See page 14.

 

plugged.

 

 

 

 

Pattern pushed to one side,

Air horn holes partially or totally

Clean air horn holes with solvent and soft

same side of air cap gets dirty.

plugged.

brush or toothpick. See page 14.

311001C

19

Image 19
Contents II 2 G Model G15Model G40 Model G40 w/RAC tipModels ContentsRelated Manuals Fire and Explosion Hazard Pressurized Aluminum Parts Hazard Typical Installation Grounding InstallationFluid Line Air LineSetup Reverse-A-CleanRAC Tip Trigger Lock SafetyPressure Relief Procedure OperationHow the Air-Assisted Spray Gun Operates Spray Pattern AdjustmentNo air Too little air correct amount Air Fluid Application Hvlp OperationDaily Gun Care, Flushing, and Cleaning Fluid Filter Maintenance General System MaintenanceFlushing and Cleaning Connect the solvent supply hose T to the gun Clearing a clogged RAC tip Disengaged Problem Cause Solution TroubleshootingGeneral Troubleshooting Follow Pressure Relief Procedure on page 10. Read warnings,Troubleshooting Repair Kits Items Needed for ServiceFan Valve Replacement RepairNeedle Repair 5g* 5c† 5d† 5b†13‡ 14‡ Air Valve Repair Fluid Tube ReplacementRepair 311001C Reassembly 5b† G40 only 5c† 5d† Parts Washer Ptfe Part No. Description QtyPart No /G40 Gun w/RAC Tip TIP GUARD/AIR CAP Assy GG4 Industrial Spray Tips Spray Tip Selection ChartSpray Tips, for use with AA Series Air Cap AAM Fine Finish Spray TipsLTX RAC Spray Tips RAC SwitchTips, for use with AA Series Air CapWRX WideRAC Spray Tips FFT Fine Finish RAC Spray TipsAccessories Category Data Technical Data10.6 Gun Inlet Pressure PSI Dimensions Graco Information Graco Standard Warranty