Pressure Relief Procedure | Graco 309550U manual

Pressure Relief Procedure

WARNING

Read warnings, page 7. Relieve pressure before cleaning or repairing gun.

1. Engage piston safety lock, page 10.

TI2409A

CAUTION

Air supply is required for gun actuation. Do not dis- connect gun air supply until fluid pressure is relieved.

2. Close fluid valves A and B. Leave air valve (W)

open.

TI2421A

3. Disengage piston safety lock, page 10.

4. Trigger gun onto cardboard or into waste container

to relieve pressure.

TI4722a

5. Engage piston safety lock, page 10.

TI2409A

WARNING

Fluid in the hose and proportioner is still under pres- sure. Follow the Pressure Relief Procedure in the pro- portioner manual.

To relieve pressure in the hose after the gun is removed, place the fluid manifold over containers, fac- ing away from you. Very carefully open the fluid valves. Under high pressure, fluid will spray sideways from the fluid ports.

TI2484A

TI2410A

309550U

Page 15

Image 15

Graco 309550U important safety instructions Pressure Relief Procedure

309550U specifications

The Graco 309550U is a top-of-the-line airless paint sprayer that caters to both professionals and DIY enthusiasts. With its advanced features and user-friendly design, it stands out as an essential tool for achieving a flawless finish on various painting projects.

One of the main characteristics of the Graco 309550U is its powerful motor, which delivers a high level of pressure, making it suitable for a wide range of coatings. This airless sprayer can handle everything from thin paints to thicker latex and enamels without clogging, ensuring smooth and consistent application. The unit is designed to cover large areas quickly, allowing users to complete their projects in a fraction of the time compared to traditional roller or brush methods.

Equipped with Graco's exclusive ProXChange pump technology, the 309550U allows for easy pump replacement on the job site without the need for tools. This feature enhances productivity by minimizing downtime, enabling users to keep working seamlessly. The unit also boasts an innovative suction tube that can draw paint directly from the can, eliminating the need for cumbersome pouring and mess.

Another noteworthy feature is the adjustable pressure control, which allows users to customize the spray pattern and flow rate. This adaptability ensures optimal coverage in various environments and surfaces, whether applying a fine mist for intricate details or a heavier coat for larger surfaces. The built-in filter system further enhances performance by preventing debris from entering the spray mechanism, ensuring a smooth, even finish.

The Graco 309550U is designed with portability in mind. It features a lightweight frame and durable wheels, making it easy to transport across job sites or around the house. Additionally, the sprayer comes with a convenient carry handle for added mobility. Safety features, including a trigger lock, are also implemented to prevent accidental activation, giving users peace of mind during operation.

In conclusion, the Graco 309550U airless paint sprayer is a versatile and efficient tool that combines powerful performance with user-friendly features. Its robust design, ease of use, and innovative technologies make it an ideal choice for both professional painters and homeowners looking to achieve exceptional results in their painting endeavors. Whether you're tackling an interior room, exterior surface, or detailed trim work, the Graco 309550U ensures a flawless finish every time.

Contents

Plural Component, Impingement Mix Air Purge Spray Gun Manual Conventions Contents Round Pattern Guns List of Models/Mix Chamber Selection Guide Flat Pattern Guns 249526 Flat Pattern Stud Wall GunNo., Series In. mm In. mm 1000 psi MPa, 70 bar 249525 Non 11 Ratio Guns Spatter Pattern GunWide Round Pattern Gun Four-Hose Gun Personal Protective Equipment Fire and Explosion Hazard Key Overall View Grounding Piston Safety LockIsocyanate Hazard Keep a and B Components Separate Follow Pressure Relief Procedure, Turning Air CapLoss of Air Pressure Resin ISO Setup TI2413A Shutdown Pressure Relief Procedure Attach Front End, Optional ConfigurationsOptional Fluid Manifold Position Remove Front End, Optional Hose Position Follow Pressure Relief Procedure, page 15. Also Flat Spray Tips Maintenance Clean Fluid Manifold Clean Outside of GunClean Air Cap Clean Muffler Nozzle Drill Bit Sizes Clean Mix Chamber NozzleClean Passages Clean Impingement Ports Cbip Impingement Port Drill Bit Sizes Problem Cause Solution Troubleshooting Problem Cause Solution Theory of Operation Gun Triggered Fluid SprayingGun Detriggered Air Purging Cutaway View Remove Front End RepairTools Required Lubrication X Z Attach Front End 18 B Mix Chamber and Side Seal Cartridges 18c 18b 18d Check Valves Piston Air Valve Piston Safety Lock Check Valve 26 Detail Parts See Supplied Tools, Part No. Description QtyRound Pattern Guns, See Flat Pattern Guns, Detail Views Mix Chamber Part No. Reference Guide Mix Chamber KitsRound Pattern Guns Flat Pattern Guns Flat Tip Part No. Reference Guide Flat Tip KitsGun Repair Kits Check Valve Filter Screen Kits Kit Part No Qty in Kit Drill Bit Size Illustration Nominal Drill Bit Kits 248969 Air Purge Handle Cleanout Drill Kit Polycarballoy Side Seal Kits AccessoriesWide Pattern Mix Chamber Kits Stainless Steel Side Seal Kits Flat Pattern Stud Wall Kit Extension Tip KitsExtension Tip Seal Kits Extension Tip Air Cap Kit Solvent Flush Canister Kit Spatter Conversion KitPour Nozzle Kit Flushing Manifold 246362 Tip Cleanout ToolCirculation Manifold 15D234 Technical Data Air Flow Data in scfm m3/minCategory Data Graco Standard Warranty Graco InformationToll Free