Graco Inc 3A0149C important safety instructions Air Valve Repair, Fluid Tube Replacement

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Repair

Air Valve Repair

1.Unscrew the spring cap (11) from the back of the gun body (1) using the gun tool (30). Remove the two springs (15 and 19) and the shaft (9).

2.Push the air valve assembly (8*) out the back of the gun. See FIG. 39.

3.Inspect the u-cup (7*) in the gun body (1). If the u-cup is worn or leaking, carefully remove the u-cup from the front of the gun body, using a pick.

Fluid Tube Replacement

1.Remove the air inlet fitting (17) using the gun tool (30) and remove the screw (20) using a 3/16 in. hex wrench.

2.Unscrew the fluid inlet fitting (18). Remove and clean or replace the inline fluid filter (12).

3.Unscrew the fluid tube connector (C) from the gun’s fluid inlet. Carefully remove the gasket (22*).

15

8*

7*

1

11

22*

 

19

17

 

C

9

 

 

 

 

20

 

 

 

 

 

 

18

 

TI6577B

 

FIG. 39

 

12

TI6573A

 

 

 

 

FIG. 40

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3A0149C

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Contents Model G15 Model G40 Model G40 w/RAC tipContents ModelsRelated Manuals Fire and Explosion Hazard Equipment Misuse Hazard Typical Installation Ventilate the Spray Booth InstallationGrounding Air Line Fluid LineSetup Reverse-A-CleanRAC Tip Assembly Trigger Lock Pressure Relief ProcedureOperation EngageddisengagedHow the Air-Assisted Spray Gun Operates Spray Pattern AdjustmentClose Open Incorrect Hvlp Operation Fluid ApplicationCorrect Daily Gun Care, Flushing, and Cleaning Fluid Filter Maintenance General System MaintenanceFlushing and Cleaning TI6729A Reverse-A-CleanRAC Tip EngagedDisengaged TI6580A DisengagedTroubleshooting Problem Cause SolutionTroubleshooting Repair Kits Fan Valve ReplacementRepair Complete Gun Packing RepairNeedle Repair 5g* 5c13‡ 14‡ Fluid Tube Replacement Air Valve RepairRepair 3A0149C Reassembly 5b carbide only Parts Part No. Description Qty Washer PtfeDescription AIR CAPParts 3A0149C Part No C857, G40 Gun with RAC Tip Ref. No. Part No. Description Qty TIP GUARD/AIR CAP AssyAAM Fine Finish Spray Tips Spray Tip Selection ChartSpray Tips, for use with G15/G40 Air Cap GG4 Industrial Spray TipsAAF Fine Finish Pre-Orifice Spray Tips RAC SwitchTips, for use with G40 RAC Air CapLTX RAC Spray Tips FFT Fine Finish RAC Spray Tips WRX WideRAC Spray TipsAccessories Plastic Seat Repair Kit Ultimate Gun Cleaning Kit 15C161Fan Valve Fine Adjustment Kit SST Seat Repair KitPart Interchangeability Guide Dimensions Model G40Category Data Technical Data10.6 Gun Inlet Pressure PSI Graco Standard Warranty Graco Information