Assembly

Service

Complete Disassembly and Assembly of the Gun (continued)

1.Follow steps 9 to 11 on page 10.

2.Lubricate the o-rings (5 and 6) and install them into the gun body.

3.Follow steps 12 to 14 on page 10.

4.Lubricate the trigger pivot holes (a) bracket guide (b), and rod (13).

5.Install the trigger (29) with the rod (13) and retain- ing rings (8).

6.Lubricate the thread and o-ring sealing surface on the valve seat nut (26). Torque the valve seat nut into the gun body (17) to:

Models 235627, 237607, and 237649: 70–80in-lbs(7.9–9.0 NSm).

Models 235628 and 243775: 100–125in-lbs(11.3–14.1 NSm).

7.Lubricate the trigger lock housing area (c) and apply low strength anaerobic sealant to the screws

(9). See Fig. 5.

8.Install the spring (7) into the gun body (17). Place the ball (2) in the center of the spring.

9.Align the trigger lock detent (d) with the ball (2). Compress the ball (2) and spring (7) with the trigger lock (15) until the trigger lock is seated in the housing.

10.While holding the trigger lock (15) in place, install the gun handle (14). Secure the gun handle with the screws (9). Torque the screws to 6–10 in-lbs (7.9–9.0 NSm).

11.For model 237649, if the inlet fitting (19) and fluid tube (18) were disassembled, apply pipe thread sealant compound to the inlet fitting (19). Install the inlet fitting into the fluid tube (18). Torque the fitting to 110–130 in-lbs (12.4–14.7 NSm).

12.Install the fluid tube (19) through the gun handle (14) and screw it into the gun body (17). Torque the fluid tube (19) to:

Models 235627, 237607, and 237649: 50–60in-lbs(5.6–6.8 NSm).

Models 235628 and 243775: 200–250in-lbs(22.6–28.2 NSm). Secure the fluid tube with the setscrew (42), and torque the setscrew to 6–10in-lbs(0.7–1.13 NSm).

CAUTION

To avoid loosening the connections and damaging the gun, grip the gun body (17), not the handle (14), when tightening the fluid tube (19).

13.Adjust the free travel of the trigger as instructed under Adjusting the Valve, page 9.

14.Follow steps 15 to 19 on page 10 to finish assem- bling the gun.

9 A M

17 F c 7 2 15 d F c

NOTES:

ATorque to 6–10 in-lbs (0.68–1.13 NSm)

FApply lithium base grease

MApply low strength anaerobic sealant (blue)

		01806
	Fig. 5	01806
	Fig. 5

12 308253

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.