Graco Inc 231-353, 390sts, 308-548 manual Table of Contents, Symbols

Page 2

Table of Contents

Warnings

4

ON/OFF Switch

. . . . 27

Major Components

5

Drive Housing, Connecting Rod, Crankshaft . .

. . . . 28

Setup

6

Pressure Control

. . . . 30

Operation

7

Pressure Transducer

. . . . 31

Startup

9

Drain Valve

. . . . 32

Shutdown and Care

12

Inlet Strainer Installation/Removal

. . . . 32

Flushing

13

Displacement Pump Parts Drawing and List . .

. . . . 33

Troubleshooting

14

Accessories

NO TAG

Motor Test

18

Sprayer Parts Drawing

. . . . 34

General Repair Information

19

Sprayer Parts List

. . . . 35

Motor Brush

20

Technical Data

. . . . 36

Displacement Pump Repair

22

Dimensions

. . . . 36

Motor

26

Graco Warranty and Disclaimers

. . . . 36

Motor Start Board

27

Phone Numbers

. . . . 36

Power Supply Cord

27

 

 

Symbols

Warning Symbol

WARNING

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

Caution Symbol

CAUTION

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

WARNING

FIRE AND EXPLOSION HAZARD

Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury.

DIf there is any static sparking or you feel an electric shock while using this equipment, stop spraying immediately. Do not use the equipment until you identify and correct the problem.

DProvide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being sprayed.

DKeep the spray area free of debris, including solvent, rags, and gasoline.

DElectrically disconnect all equipment in the spray area.

DExtinguish all open flames or pilot lights in the spray area.

DDo not smoke in the spray area.

DDo not turn on or off any light switch in the spray area while operating or if fumes are present.

DDo not operate a gasoline engine in the spray area.

 

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Contents Rev. D Supercedes Rev. C Model 231-353, Series aTable of Contents SymbolsInjection Hazard Equipment Misuse Hazard Major Components Setup How to use the pressure control How to Use the Gun Trigger SafetyHow to use the pressure drain valve OperationHow to use the RAC IV tip guard How to remove a tip clogStartup Pressure Relief ProcedureStartup Procedure Fire and Explosion Hazard 102 Shutdown and Care Shutdown and CareFlushing When to FlushHow to Flush Troubleshooting Basic Problem SolvingIntermediate Problem Solving If pump consistently comes to rest with Use AC power or a different generator Armature Short Circuit Test SetupMotor Test General Repair Information Tool ListMotor Brushes Test the brushes Displacement Pump Repair Removing the pump See FigReassembling the pump Intake valve repair See FigDisassembling the pump See Fig 110 108 107 116 Motor Motor Start Board Power Supply CordOn/Off Switch Drive Housing, Connecting Rod, Crankshaft REF a Pressure Control Pressure Transducer Inlet Strainer Installation/Removal Drain ValveModel 236-787, Series a Displacement Pump Parts Drawing and ListAccessories Fluid Filter Kit Low Profile Cart KitSprayer Parts Drawing Model 231-353, Series aSprayer Parts List Motor KITGraco Warranty and Disclaimers Technical DataDimensions Graco Phone Numbers

390sts, 231-353, 308-548 specifications

Graco Inc. has established itself as a leader in fluid handling equipment, and the Graco 308-548, 231-353, and 390STS models exemplify this commitment to innovation, efficiency, and reliability. These models are designed for high-performance applications in various industries, including automotive, construction, and manufacturing.

The Graco 308-548 is engineered with a powerful motor and advanced pump technology, providing user-friendly operation and outstanding reliability. Its design allows for easy maintenance, minimizing downtime and increasing productivity. The adjustable pressure setting ensures optimal performance for different materials, making it a versatile choice for spray applications. Its lightweight construction and portability enhance usability, allowing operators to move the unit with ease.

On the other hand, the Graco 231-353 model is known for its advanced airless technology, which enables users to achieve a smooth and even finish without the need for thinning. This model is equipped with an efficient pump that delivers consistent material flow, ensuring high-quality results in every application. A notable feature of the 231-353 is its ability to handle a wide range of coatings, including paints, stains, and sealers, making it ideal for both interior and exterior projects.

The Graco 390STS stands out in this lineup with its robust design and powerful performance, suitable for larger scale projects. It incorporates SmartControl technology, which provides precise pressure control and consistent spray patterns, contributing to an efficient work process. The ergonomic design emphasizes operator comfort, reducing fatigue during extended use. Additionally, the 390STS supports a variety of spray tips, allowing for customization based on specific job requirements, further enhancing its versatility.

All three Graco models feature durable construction, capable of withstanding rigorous job site demands. They are built with high-quality materials that resist corrosion and wear, ensuring longevity and reducing the total cost of ownership. The ease of use and intuitive controls minimize the learning curve for new users, making these models accessible to both professionals and DIY enthusiasts alike.

In conclusion, Graco Inc. continues to push the boundaries of fluid handling technology with the 308-548, 231-353, and 390STS models. Their powerful performance, advanced features, and user-friendly designs make them standout choices for anyone in need of reliable spray equipment.
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