Graco 235628, 237607, 237649, 243775, 235627 Adjusting the Valve, Adjusting the Spring Tension

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Service

Adjusting the Valve

The trigger travel and corresponding valve opening are factory set to 1 inch (25.4 mm). To adjust this setting, follow the procedure below.

WARNING

SKIN INJECTION HAZARD

To reduce the risk of a serious injury, including fluid injection, follow the Pres-

sure Relief Procedure on page 6 whenever you are instructed to relieve the pressure.

1.Relieve the pressure in the system.

2.Disconnect the gun from the hose.

3.Using a 5/16 in. wrench, loosen the stem nut (1) and spring housing (28). See Fig. 4, page 11.

4.Insert a 1/8 hex allen wrench through the hole in the spring adjustment screw (21) and into the spring housing (28).

5.Turn the spring housing (28) and stem nut (1) to change the trigger travel and the size of the valve opening.

6.Tighten the stem nut (1) to set the adjustment.

7.Adjust the spring adjustment screw (21) to the desired trigger pull force.

Adjusting the Spring Tension

WARNING

SKIN INJECTION HAZARD

To reduce the risk of a serious injury, including fluid injection, follow the Pres-

sure Relief Procedure on page 6 whenever you are instructed to relieve the pressure.

1.Relieve the pressure in the system.

2.Disconnect the gun from the hose.

3.Turn the spring adjustment screw (21) as needed until the spring force is adjusted to close the valve. Refer to Fig. 4, page 11.

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Contents Important Safety Instructions Instructions Parts List308253 SymbolsFire and Explosion Hazard Technical Data Ground the System InstallationPressure Relief Procedure Gun Trigger SafetyOperation Flushing Safety DispensingRead Grounding the System, on Seal, o-rings only ServiceAdjusting the Spring Tension Adjusting the ValveValve Stem and Seal Service 27 E H Complete Disassembly and Assembly of the GunAssembly 42K1 343 24*K E 21 E 28 a 19* G J Models 235627 PartsDescription Qty ModelModels Parts 05447A Ring Ptfe Parts 111457 Graco Standard Warranty Graco Phone NumberToll Free

243775, 237607, 235628, 235627, 237649 specifications

Graco, a leader in fluid management and sprayers, offers a variety of products designed to enhance performance for both industrial and consumer applications. Among their extensive range of offerings, the models Graco 237649, 235627, 235628, 237607, and 243775 stand out due to their innovative technologies and features.

The Graco 237649 is notable for its superior durability and efficiency. This model is designed for versatility, making it suitable for a variety of paint and coating applications. Equipped with a robust motor, it ensures a consistent flow rate and pressure, optimizing the painting process. The unit also features a sturdy build to withstand the rigors of heavy-duty use, providing a long lifespan.

Moving onto the Graco 235627, it incorporates advanced ergonomics and user-friendly features. This model is designed for ease of use, making it ideal for less experienced users. With an integrated cup design, the 235627 allows for quick refills and efficient cleanup, minimizing downtime between projects. Its compact size and lightweight nature make it easily portable, perfect for both indoor and outdoor use.

The Graco 235628 enhances the painting experience with its precision spray technology. This model provides users with a fine, consistent spray pattern, allowing for a professional finish on a variety of surfaces. Additionally, its adjustable pressure settings give users control over the application, ensuring optimal results for different materials and coatings.

The Graco 237607 focuses on versatility and power. This model is built to handle a wide range of materials, from thin stains to thick coatings. This adaptability is complemented by its easy-to-use controls, which allow users to select the appropriate setting for their specific application. The 237607 is ideal for medium to large projects, where efficiency and speed are paramount.

Lastly, the Graco 243775 is renowned for its innovative pump technology. The model features a unique design that minimizes clogging and maximizes flow, making it particularly effective for a variety of coatings. Its lightweight design ensures that users can maneuver it with ease, while advanced sealing technology prolongs the lifespan of the pump.

In summary, Graco's models 237649, 235627, 235628, 237607, and 243775 offer an array of features tailored to meet diverse customer needs. With their commitment to durability, efficiency, and advanced technology, these sprayers are positioned to deliver exceptional performance across various applications. Whether for professional contractors or DIY enthusiasts, Graco’s equipment is designed to ensure a seamless painting experience.
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