Graco 239091, 239126, 239096, 239088 Troubleshooting, See Charging and Startup, See Bladder Failure

Page 9

Troubleshooting

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 7.

Relieve the pressure before checking or servicing the equipment.

Check all possible problems and causes before disas- sembling the pump.

PROBLEM

CAUSE

SOLUTION

 

 

 

Surge suppressor does not hold

Manual or automatic models:

 

pressure.

–Leaking threaded connections

–Check all threads for leaks.

 

–Loose flange bolts or clamp

–See Torque Table, page 11.

 

–Failed bladder or bellows

–See Bladder Failure, page 10.

 

–Blocked air line to unit

–Use 1/4-in air line.

 

 

 

 

Automatic models only:

 

 

–One-way valve at air inlet is

–Arrow should point toward surge

 

installed backwards.

suppressor.

 

–Gauge shows no pressure,

–Pressure does not register on

 

and pump is not running.

gauge until pump is started.

 

 

 

 

Manual models only:

 

 

–Faulty regulator

–Check regulator.

 

 

 

Dampening effect of surge

Surge suppressor installed incorrect

Surge suppressor should be

suppressor is not sufficient.

distance from pump

installed within 10 pipe diameters of

 

 

pump discharge.

 

 

 

 

Improper pressure charge

See Charging and Startup,

 

 

page 8. Surge suppressor

 

 

pressure should be 2 to 10 psi (0.01

 

 

to 0.07 MPa, 0.1 to 0.7 bar) lower

 

 

than system pressure.

 

 

 

 

Surge suppressor does not hold

See surge suppressor does not hold

 

pressure charge.

pressure in PROBLEM column.

 

 

 

 

Failed bladder or bellows

See Bladder Failure, page 10.

 

 

 

 

Surge suppressor too small for

Install larger surge suppressor.

 

pump

 

 

 

 

 

Automatic models only:

Remove pressure from surge

 

Plugged automatic valve

suppressor, and check automatic

 

 

valve for proper operation as

 

 

follows:

 

 

1. Leave air line attached to top

 

 

half of surge suppressor.

 

 

2. Fill top of surge suppressor

 

 

with enough water to cover

 

 

automatic valve.

 

 

There should be no bubbles.

 

 

3. Dump water out, and gently

 

 

push automatic valve.

 

 

Air should flow.

 

 

4. Replace automatic valve if

 

 

it is defective.

 

 

 

There is leaking around surge

PTFE sealing tape or paste is

Apply PTFE tape or paste to

suppressor fluid inlet.

needed on threads of fluid inlet.

threads. Do not overtighten plastic

 

 

models. Hand tightening is

 

 

recommended.

 

 

 

308703 9

Image 9
Contents Instructions-Parts List Important Safety InstructionsModel 239088 Model Model 239096 Model Symbols Table of ContentsToxic Fluid Hazard Grounding InstallationGrounding a Surge Suppressor Connecting Automatic Models Connecting Manual ModelsMounting Automatic and Manual Models Minimum and Maximum Operating Temperatures Pressure Relief ProcedureOperation Use oxygenAutomatic Models Manual Models Charging and StartupTroubleshooting See Charging and StartupSee Bladder Failure, Bladder Failure ServiceReplacing Bladder or Bellows Relieve the pressureTorque Table Automatic Husky 750, 3/4-in Surge Suppressors Model NumbersNo. Part No Description Parts MatrixModel Parts Drawings24, 25, 27 Manual Husky Automatic Husky DimensionsWeight Models 239091, 239096 Technical DataGraco Information Graco Standard Warranty

239126, 239088, 239095, 239091, 239096 specifications

Graco offers a range of innovative paint sprayers designed to enhance the efficiency and quality of painting projects. Among its notable products are the Graco 239096, 239091, 239095, 239088, and 239126 models. Each of these sprayers comes equipped with unique features and advanced technologies, catering to both professional contractors and DIY enthusiasts.

The Graco 239096 is recognized for its compact design and portability, making it ideal for smaller job sites or projects requiring mobility. It features a powerful motor that facilitates consistent paint flow, allowing for a smooth and even application. The unit is also versatile, capable of spraying various materials, including stains and latex paints, showcasing its adaptability across different applications.

The Graco 239091 stands out with its high-efficiency airless technology, which ensures less overspray and reduced paint waste. This model is engineered to deliver a finely atomized spray pattern, resulting in professional-grade finishes. With its easy-to-use controls, operators can effortlessly adjust the pressure settings to match the specific requirements of each task, enhancing precision and control during painting.

Moving on to the Graco 239095, this sprayer is designed for high-volume projects, featuring a robust motor designed for demanding applications. Its durable construction ensures longevity while the built-in filter system helps keep the spray nozzle clean, reducing the downtime typically associated with maintenance. Its large capacity paint container allows for extended operation without frequent refills, making it an excellent choice for large-scale jobs.

The Graco 239088 model is particularly user-friendly, with an intuitive interface that simplifies operation even for first-time users. It includes a lightweight design for easy handling and transport, coupled with a comfortable grip that minimizes fatigue. This sprayer is perfect for fine-detail work and touch-ups, thanks to its adjustable spray width and pressure, which can be easily modified based on the project needs.

Lastly, the Graco 239126 is equipped with advanced technology that minimizes overspray while maximizing efficiency. This model features a reversible tip system that allows users to quickly clear clogs, ensuring a seamless painting experience. Its ergonomic design and built-in features make it suitable for both detailed work and larger applications, offering versatility that adapts to the user's needs.

In summary, the Graco paint sprayer lineup, including the 239096, 239091, 239095, 239088, and 239126, presents a variety of options tailored to enhance productivity and quality in painting applications. With their cutting-edge technology, user-friendly designs, and robust features, these models are ideal for anyone looking to achieve a professional finish.