Graco Inc 233757 important safety instructions Installation, Air to gun Fluid Air to pump

Page 8

Installation

Installation

1.Install one regulator for each spray gun.

2.Apply thread sealant to connections as necessary.

3.Make sure that the direction of fluid flow agrees with the flow direction markings on the regulator body.

a.Install a fluid pressure regulator upstream of the gun: Connect the fluid line from the pump to the inlet of the fluid regulator. Connect the fluid line to the gun to the regulator’s outlet.

b.Install a back pressure regulator downstream of the gun. Connect the fluid return line from the gun to the inlet of the back pressure regulator. Connect the fluid return line to the pump to the regulator’s outlet.

4.Flush and test the entire system.

FIG. 4., FIG. 5., and FIG. 6. show possible configurations for installing a system. They do not depict actual system designs. Consult your Graco distributor for assistance in designing a system that meets your specific require- ments.

F

Air to gun

Fluid

E

BA

Air to pump

C B

Y

D

TI1767A

Fig. 4. Low pressure, non-circulating system, mechanical fluid regulator

Key

AAir line filter

BBleed-type air shut-off valve

CAir regulator for pump and gun

DPump

EFluid regulator

FAir spray gun

Y

Pump ground wire

8

309474K

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Contents Low Pressure Model 233757 Shown II 2 GContents List of Models Key to Model DesignationEquipment Misuse Hazard Pressurized Equipment Hazard Introduction Back Pressure RegulatorsFluid Pressure Regulators Fluid Inlet from gunAdjustment screw Spring Diaphragm Valve plunger Fluid Inlet from pump Valve ball and seatFluid Outlet to gun Air inlet Diaphragm Fluid Outlet To gun Valve plungerInstallation Air to gun Fluid Air to pumpG a B Air to Fluid RegulatorAir to Pump GunAir to GunAir to Fluid Regulator Fluid to gun Air Fluid Air to Back Pressure RegulatorPressure Relief Procedure Adjusting the RegulatorOperation Flush Before First UseTroubleshooting Problem Cause SolutionFlushing MaintenanceCleaning and Repair Description PartsMechanical Fluid Pressure Regulators Part Nos Mechanical Back Pressure Regulators Part Nos Part No. Description TI11249a Description Qty Pneumatic Back Pressure Regulators Part Nos Technical Data Category DataGauge Accessory GaugesFlow Rate Data Mounting Dimensions Thread Dimension aMounting Dimensions 309474K Graco Warranty For Graco Canada Customers
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