Displacement Pump Service

Disconnect the Displacement Pump

1.Flush the pump if possible. Stop the pump on the down stroke.

2.Follow the Pressure Relief Procedure Warning on page 10.

3.Remove the suction tube and fluid hose from the displacement pump.

4.Unscrew the three tie rod locknuts (48). See GH733 Sprayer Parts Drawing.

5.Unscrew the shouldered nut (35). Pull the displacement pump (46) off the tie rods (47).

6.Screw the jam nut (90) up onto the connecting rod (91).

7.Remove the lower cotter pin (89) and unscrew the connecting rod (91) from the displacement rod (A).

8.Refer to separate manual 311762 for displacement pump repair instructions.

Reconnecting the Displacement Pump

1.Screw the connecting rod (91) into the displace- ment rod (A) and replace the lower cotter pin (89). Screw the jam nut (90) all the way down. See GH733 Sprayer Parts Drawing.

2.Mount the displacement pump (46) onto the tie rods (47).

3.Screw the shouldered nut (35) onto the hydraulic motor (29). Screw the tie rod locknuts (48) onto the tie rods (47) and torque to 35–50 ft-lb (47–68 N.m).

4.Reattach the hoses to the displacement pump.

5.If the grounding wire was disconnected before service, be sure to reconnect it before operating the sprayer.

6.Start the pump and operate it slowly to check the tie rods for binding. Adjust the tie rod locknuts, if necessary to eliminate binding.

16 307616

Page 16
Image 16
Graco Inc 231733, 230975 Displacement Pump Service, Disconnect the Displacement Pump, Reconnecting the Displacement Pump

230975, 231733, GH 733 specifications

Graco Inc. is widely recognized for its innovative fluid handling products and diverse range of equipment designed for various applications. Among its product lineup, the Graco GH 733 is a standout piece of machinery, particularly known for its performance in high-demand environments. The model number 231733 refers to a specific configuration of the GH 733, and 230975 points to another variant, showcasing Graco's commitment to customization and versatility in their offerings.

One of the main features of the Graco GH 733 is its powerful engine, designed to deliver efficient performance even in the most challenging conditions. The machine boasts a robust hydraulic system that facilitates the movement of fluids at high pressures, making it ideal for applications such as painting, coating, and other fluid dispensing tasks. This ensures that users can achieve superior results with precision and speed.

The GH 733 is equipped with advanced technologies that enhance usability and functionality. For example, it incorporates an electric start feature, reducing the hassle of manual cranking and enabling quick operation. Moreover, Graco has designed this model with an intuitive control panel that allows users to easily adjust settings and monitor performance, reducing the learning curve for new operators.

Another critical characteristic of the GH 733 is its portability. The unit is designed with features such as sturdy wheels and a compact frame, which allow it to be easily transported across job sites. This mobility is particularly beneficial in construction and industrial environments, where equipment needs to be moved frequently.

Durability is a cornerstone of the Graco GH 733 design. Constructed from high-quality materials, the machine is built to withstand the rigors of demanding work environments. Graco's commitment to quality ensures that users receive a reliable product that minimizes downtime and maintenance costs.

In summary, the Graco GH 733, along with its configurations like 231733 and 230975, exemplifies efficient design and advanced technology. With a focus on performance, ease of use, portability, and durability, it meets the needs of professionals looking for high-quality fluid handling solutions. The combination of these features makes the GH 733 a preferred choice for many applications across various industries. Whether for large-scale projects or detailed work, this equipment stands out as a testament to Graco's engineering excellence.