Graco Inc 311001C General System Maintenance, Fluid Filter Maintenance, Flushing and Cleaning

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General System Maintenance

1.Relieve the pressure, page 10.

2.Clean the fluid and air line filters daily.

3.Check for any fluid leakage from the gun and fluid hoses. Tighten fittings or replace equipment as needed.

4.Flush the gun before changing colors and whenever you are done operating the gun.

Fluid Filter Maintenance

1.Unscrew the fluid inlet fitting (18).

2.Remove and inspect the inline fluid filter (12). Clean or replace the filter as necessary.

18

12

TI6735A

FIG. 17

Daily Gun Care, Flushing, and Cleaning

Flushing and Cleaning

FIRE AND EXPLOSION HAZARD

Read Warnings, page 4. Follow Grounding instructions, page 6.

• Flush before changing colors, before fluid can dry in the equipment, at the end of the day, before storing, and before repairing equipment.

Flush at the lowest pressure possible. Check connectors for leaks and tighten as necessary.

Flush with a fluid that is compatible with the fluid being dispensed and the equipment wetted parts.

1.Relieve the pressure, page 10.

2.Remove the air cap retaining ring (6), air cap (21), and spray tip (33).

3.Disconnect the fluid supply hose (F) and air supply hose (G) from the gun.

G

F

TI6566A

TI6567A

FIG. 18

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311001C

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Contents Model G40 w/RAC tip Model G15Model G40 II 2 GContents ModelsRelated Manuals Fire and Explosion Hazard Pressurized Aluminum Parts Hazard Installation Typical Installation GroundingAir Line Fluid LineSetup Reverse-A-CleanRAC Tip Operation SafetyPressure Relief Procedure Trigger LockNo air Too little air correct amount Air Spray Pattern AdjustmentHow the Air-Assisted Spray Gun Operates Hvlp Operation Fluid ApplicationDaily Gun Care, Flushing, and Cleaning Flushing and Cleaning General System MaintenanceFluid Filter Maintenance Connect the solvent supply hose T to the gun Clearing a clogged RAC tip Disengaged Follow Pressure Relief Procedure on page 10. Read warnings, TroubleshootingGeneral Troubleshooting Problem Cause SolutionTroubleshooting Repair Items Needed for ServiceFan Valve Replacement Repair Kits13‡ 14‡ 5g* 5c† 5d† 5b†Needle Repair Fluid Tube Replacement Air Valve RepairRepair 311001C Reassembly 5b† G40 only 5c† 5d† Parts Part No. Description Qty Washer PtfePart No /G40 Gun w/RAC Tip TIP GUARD/AIR CAP Assy AAM Fine Finish Spray Tips Spray Tip Selection ChartSpray Tips, for use with AA Series Air Cap GG4 Industrial Spray TipsRAC SwitchTips, for use with AA Series Air Cap LTX RAC Spray TipsFFT Fine Finish RAC Spray Tips WRX WideRAC Spray TipsAccessories 10.6 Gun Inlet Pressure PSI Technical DataCategory Data Dimensions Graco Standard Warranty Graco Information