Graco Inc 308741N dimensions Flush the Spray Gun, Relieve the Pressure Position the Air Cap

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Setup

3. Flush the Spray Gun.

Before putting any paint through the spray gun, flush the gun out with a solvent that is compatible with the fluid to be sprayed, using the lowest possible fluid pressure and a grounded metal container.

Fig. 5

7035A

 

WARNING

PRESSURIZED EQUIPMENT HAZARD

To reduce the risk of a serious injury whenever you are instructed to relieve pressure, follow the Pres- sure Relief Procedure on page 12.

4.Relieve the Pressure.

5.Position the Air Cap

Rotate the air cap as needed to achieve the desired spray pattern direction. To create a round pattern, turn the pattern air off by turning the pattern adjustment knob (13a) fully clockwise. Refer to Fig. 12, page 11.

Vertical Pattern

Horizontal Pattern

6. Adjust the Spray Pattern

WARNING

COMPONENT RUPTURE HAZARD Do not exceed the 100 psi (0.7 MPa, 7 bar) maximum fluid and air pres-

sure of this gun. Higher pressures can cause parts to rupture and result in serious injury.

Follow these steps to establish the correct fluid flow and air flow:

A.Turn the fluid adjustment knob (21) counterclock- wise until no restriction of the trigger movement is felt, then turn out another half turn. When the knob is turned far enough, the trigger should be able to touch the gun handle when the gun is triggered.

WARNING

PRESSURIZED EQUIPMENT HAZARD

To avoid injury, never open the fluid adjustment knob (21) beyond the one half turn indicated in Adjust the Spray Pattern.

21

open

7036A

Fig. 7

Fig. 6

02020

308741 9

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Contents Table of Contents Instructions Parts List308741 SymbolsPressurized Equipment Hazard Hvlp Spray Gun Assemblies Selection ChartsHvlp Spray Gun and Gravity Cup Hvlp Spray Gun and Pressure Cup AssembliesAssemblies Optional Hvlp Air CapsAir Flow and Atomizing Pressure Air FlowAtomizing Air Pressure Ventilate the Spray Booth Typical InstallationSetup Connect the Air LineConnect the Fluid Hose Adjust the Spray Pattern Flush the Spray GunRelieve the Pressure Position the Air Cap Fluid Velocity of Fluid Nozzles At the Same Flow Rate Pressure Drop Chart Air Regulator Pressure Gun Inlet Pressure SettingInch 7.9 mm I.D. hose Pressure Relief Procedure OperationApplying the Fluid Daily Gun Care, Flushing, and Cleaning General System MaintenanceDo not immerse the gun in solvent 7035A 7044A 7045A Lubricate Problem Cause Solution TroubleshootingService Items Needed for ServiceFluid Packings Replacement 2b 2a Complete Gun Packing Replacement 20 or 25b 19 or 25a Service 308741 Parts Item 2 includes 2a-2bItem 13 includes item 13a Item 25 includes 25a-25d Description Qty Part No to Pressure Feed Hvlp Spray Gun AssemblyGun Needle Nozzle Kit Item 12 Nozzle Needle Assy7585A Gravity Feed Hvlp Spray Gun Assembly Accessories Gravity Cup Holder Bracket Gravity CupSST Pressure Cup Kit 239802 with single air regulator Quart Remote SST Pressure CupDimensions Technical DataCategory Data 308741 Graco Standard Warranty Graco InformationToll Free