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

Models: 309550U

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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.

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309550U

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