Graco Inc 233757 important safety instructions Contents

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Contents

 

List of Models

3

Introduction

6

Back Pressure Regulators

6

Fluid Pressure Regulators

6

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Flush Before First Use

11

Pressure Relief Procedure

11

Adjusting the Regulator

11

Troubleshooting

12

Maintenance

13

Flushing

13

Cleaning and Repair

13

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Mechanical Fluid Pressure Regulators

Part Nos. 233759 and 234267 . . . . . . . . . . 14

Mechanical Back Pressure Regulators

Part Nos. 233812 and 234258 . . . . . . . . . . 15

Manual Conventions

Warning

WARNING

Mechanical Fluid Pressure Regulators Part Nos. 233757, 233774, 234263, and 234273 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Mechanical Back Pressure Regulators

Part Nos. 233758, 233811, 233950, 234255, 234261, and 234262 . . . . . . . . . . . . . . . . . . 17

Pneumatic Fluid Pressure Regulators

Part Nos. 233773, 233809, 234272, and 234256 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Pneumatic Back Pressure Regulators

Part Nos. 233810 and 234257 . . . . . . . . . . 19

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Accessory Gauges . . . . . . . . . . . . . . . . . . . . . . . . . 21

Flow Rate Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Mounting Dimensions . . . . . . . . . . . . . . . . . . . . . . 22

Graco Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

A warning alerts you to the possibility of serious injury or death if you do not follow the instructions.

Symbols, such as fire and explosion (shown above), alert you to a specific hazard and direct you to read the indicated hazard warnings (pages 4-5) for detailed information.

Caution

CAUTION

A caution alerts you to the possibility of damage to or destruction of equipment if you do not follow the instructions.

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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 Fluid Pressure Regulators IntroductionBack Pressure Regulators Fluid Inlet from gunFluid Outlet to gun Adjustment screw Spring Diaphragm Valve plungerFluid Inlet from pump Valve ball and seat 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 RegulatorOperation Pressure Relief ProcedureAdjusting the Regulator 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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