Graco 231-005, Series A, 215-433 Series G guide

Replacing the Hydraulic Pump

1.Follow the Pressure Relief Procedure Warning on page 8. Let the hydraulic system cool before beginning the service procedure.

2.Unscrew the reservoir drain plug (7), having a con- tainer ready to catch the draining fluid.

3.Disconnect the hydraulic inlet hose (92) from the 90° swivel union (45) at the motor and from the tee (54).

4.Disconnect the bypass hose (85) from the ball valve

(84).

5.Remove the four nuts (27) from the seal plate (160) on the reservoir cover (90).

6.Remove the two screws (8), lockwashers (11) and washers (98) holding the hydraulic pump (70).

7.Pull the pump away and loosen the setscrews (38a) on the pump half of the coupler (38).

8.Raise the pump and turn it to unthread the inlet filter (21) which is in the oil reservoir.

9.Be sure the new hydraulic pump has the same part number as the old one. Check the numbers stamped on the pumps to verify them.

10.Remove all fittings from the old pump and install them on the new pump in the same order.

11.Install the new pump, being sure to connect the in- let filter (21) to the bottom of the pump.

12.Check Dimension A as shown in Fig 15. When the dimension is correct, tighten the setscrews (38a).

r-------CAUTION ------ . ,

The correct coupling dimension is critical to avoid improper coupler engagement to the coupler spider which will damage the coupler and make the sprayer inoperable.

13.Reconnect the hoses. Reinstall the reservoir plug (7), and refill the reservoir with clean, Graco- approved hydraulic oil.

Fig 14 ___________________________________

14307-293

231-005, 215-433 Series G, Series A specifications

Graco is a renowned manufacturer known for its high-quality spray equipment and pumps, catering to both professionals and DIY enthusiasts. Their diverse lineup includes advanced models such as Series A, Series C, Model 237069, Model 289310, and Model 238620, each uniquely engineered to meet various painting and coating applications.

The Graco Series A is an outstanding choice for smaller projects. Its lightweight design and portability make it ideal for residential touch-ups, woodworking, and other small-scale applications. This series boasts a simple setup with an easy-to-use spray gun that enables users to achieve a smooth, even finish. Equipped with Graco’s ProConnect technology, Series A allows for quick pump replacement without any tools, ensuring minimal downtime during projects.

The Graco Series C offers enhanced performance and greater versatility for larger applications. This series is designed for professional contractors and serious DIYers, featuring robust construction and advanced technology. With a higher flow rate and pressure capabilities, Series C can handle more demanding projects such as residential and commercial buildings. Additionally, it incorporates SmartControl technology, electronically controlling pressure to provide consistent spray patterns regardless of the fluid being used.

Model 237069 is another exceptional option known for its compact design and efficiency. This electric airless sprayer is perfect for various interior and exterior applications, standing out due to its ease of operation. It features a reversible spray tip, allowing users to quickly clear clogs, and the adjustable pressure settings provide flexibility for different surface textures. Model 237069 is engineered for durability, making it a reliable choice for frequent use.

Model 289310 is engineered for professionals who prioritize speed and precision. This heavy-duty sprayer is equipped with an advanced hydraulic system, which ensures a consistent flow of material. Its larger hopper capacity minimizes the need for frequent refills, allowing users to complete extensive projects faster. Furthermore, the model includes an ergonomic design that reduces fatigue, empowering operators to work longer with comfort.

Lastly, Model 238620 exemplifies Graco’s commitment to innovation in airless technology. This model features an integrated digital display that offers real-time feedback and monitoring, enhancing overall user experience. With its streamlined pump design and advanced filter system, Model 238620 is capable of handling a wide range of coatings, from thin stains to thick latex paints.

In conclusion, Graco's Series A, Series C, Model 237069, Model 289310, and Model 238620 represent the brand’s dedication to quality, performance, and user-friendliness. These models cater to various project sizes and requirements, making them valuable assets for both amateurs and seasoned professionals in the painting industry.