Graco 309550U important safety instructions 18c 18b 18d

Page 30

Repair

8. Pull mix chamber (19) out rear of fluid housing.

Inspect for damage and clean ports, page 21. Inspect o-ring (23) in front of fluid housing.

CAUTION

To prevent cross-contamination of the gun’s wetted parts, mix chamber is marked with an A and a notch

(N)on back edge. Be sure the A side of mix chamber is on the A side of gun.

9.Apply thin coat of lubricant to mix chamber (19).

Install mix chamber. Etched A and notch (N) must be on same side as A on fluid housing. Mix cham- ber is keyed to fit in fluid housing.

11. Liberally lubricate and reinstall side seal car-

tridges (18).

24

18B

18

A

TI2426A

12. Lubricate all threads and reinstall retaining ring

(9). Install air cap (10).

9

B

19

10

A

TI2428A

 

N

CAUTION

To prevent cross-contamination of side seal car- tridges, do not interchange A component and B com- ponent parts. The A component cartridge is marked with an A.

10. Carefully inspect side seal cartridge o-rings and

surfaces. Replace worn or damaged parts. Lib- erally lubricate o-rings (18d, 18e) and reassem- ble. Press on side seal (18c) to check proper spring (18b) operation.

18e

TI2427A

18c

18b

18d

TI2424A

13. Attach Front End, page 28.

14. Connect air, and trigger the gun a few times to

check for leaks. If either check valve pops out of its seated position, there is a poor fluid seal on that side of the mix chamber or side seal/car- tridge components. Correct the problem before attaching the fluid manifold.

15. Attach fluid manifold. Connect air. Return gun to

service.

30

309550U

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Contents Plural Component, Impingement Mix Air Purge Spray Gun Contents Manual ConventionsList of Models/Mix Chamber Selection Guide Round Pattern GunsFlat Pattern Guns In. mm 1000 psi MPa, 70 bar 249525 Flat Pattern Stud Wall GunNo., Series In. mm 249526Four-Hose Gun Spatter Pattern GunWide Round Pattern Gun Non 11 Ratio GunsPersonal Protective Equipment Fire and Explosion Hazard Overall View KeyKeep a and B Components Separate Piston Safety LockIsocyanate Hazard GroundingFollow Pressure Relief Procedure, Turning Air CapLoss of Air Pressure Setup Resin ISOTI2413A Shutdown Pressure Relief Procedure Remove Front End, Optional ConfigurationsOptional Fluid Manifold Position Attach Front End,Follow Pressure Relief Procedure, page 15. Also Optional Hose PositionFlat Spray Tips Maintenance Clean Muffler Clean Outside of GunClean Air Cap Clean Fluid ManifoldClean Impingement Ports Clean Mix Chamber NozzleClean Passages Nozzle Drill Bit SizesImpingement Port Drill Bit Sizes CbipTroubleshooting Problem Cause SolutionProblem Cause Solution Theory of Operation Gun Triggered Fluid SprayingGun Detriggered Air Purging Cutaway View Lubrication RepairTools Required Remove Front EndAttach Front End X ZMix Chamber and Side Seal Cartridges 18 B18c 18b 18d Check Valves Piston Piston Safety Lock Air ValveParts Check Valve 26 DetailSee Flat Pattern Guns, Part No. Description QtyRound Pattern Guns, See Supplied Tools,Detail Views Flat Pattern Guns Mix Chamber KitsRound Pattern Guns Mix Chamber Part No. Reference GuideCheck Valve Filter Screen Kits Flat Tip KitsGun Repair Kits Flat Tip Part No. Reference GuideDrill Bit Kits Kit Part No Qty in Kit Drill Bit Size Illustration NominalAir Purge Handle Cleanout Drill Kit 248969Stainless Steel Side Seal Kits AccessoriesWide Pattern Mix Chamber Kits Polycarballoy Side Seal KitsExtension Tip Air Cap Kit Extension Tip KitsExtension Tip Seal Kits Flat Pattern Stud Wall KitFlushing Manifold Spatter Conversion KitPour Nozzle Kit Solvent Flush Canister Kit15D234 Tip Cleanout ToolCirculation Manifold 246362Technical Data Air Flow Data in scfm m3/minCategory Data Graco Standard Warranty Graco InformationToll Free

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.
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