Graco Inc 233757 important safety instructions Contents, Manual Conventions

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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