Instructions

8.Install vent valve (1) to pump surface using the 3 cap screws (4) included in the kit (FIG. 5). Hold the vent valve tight to the surface of the pump to ensure o-rings stay in place during installation.Torque screws to 17-19 ft-lbs (23-26 N.m).

FIG. 5

9.Install lubrication line to vent valve pump outlet port marked “0” (FIG. 6).

FIG. 6

10.In the inlet port marked “1” (FIG. 6) install either:

•a plug (10).

•inlet plumbing necessary to attach a fill pump.

NOTE:

•For tube-in-tube pump models, the “1” inlet can be used as a fill port.

•For models equipped with a follower plate, with- out a tube-in-tube, the “1” inlet deposits grease on top of the follower plate.

11. Connect cable (d) to valve cartridge (c) (FIG. 7).

FIG. 7

12.Install other end of cable (d) to solenoid control device.

NOTE:

•Cable (d) is available from Graco. See Accesso- ries, page 5 for a list of available cables.

•Connector termination is a Deutsch DT-04-2P.

•Solenoid inputs are not polarity dependent. Voltage can be applied in either direction.

•Solenoid should be activated when the pump is running. See wiring diagrams in pump manual for more details.

13.Reconnect pump to main power supply.

14.Test system to ensure proper operation.

332519F

77X540 specifications

The Graco 77X540 is a powerful and versatile airless paint sprayer designed for professionals and DIY enthusiasts looking to achieve a flawless finish in their projects. This innovative sprayer is characterized by its robust design, advanced technology, and a range of features that enhance user experience and efficiency.

One of the standout features of the Graco 77X540 is its high-efficiency airless pump, which delivers a consistent flow of paint with minimal overspray. This results in a smooth, even application that reduces the need for touch-ups and saves both time and material. The pump is designed to handle a variety of coatings, including latex, primers, and stains, making it a reliable choice for different types of jobs.

The Graco 77X540 is equipped with the SmartControl technology, which provides precise pressure control for different spray demands. This feature allows users to adjust the pressure settings on-the-fly, ensuring optimal performance across a wide range of materials and surfaces. Additionally, the unit includes a robust reversible tip, making it easy to clear clogs and continue working without interruption.

Another notable characteristic of the Graco 77X540 is its lightweight and portable design. Weighing in at just under 35 pounds, this sprayer is easy to transport from one job site to another. The durable construction ensures that it can withstand the rigors of professional use while remaining easy to operate and maintain.

For those who prioritize convenience, the Graco 77X540 features a flexible suction hose, allowing for direct painting from a paint bucket. This not only streamlines the painting process but also minimizes mess and waste. The unit also boasts a built-in pushprime feature enabling quick and easy start-up, further enhancing productivity.

Overall, the Graco 77X540 is designed with the user in mind, offering a combination of power, efficiency, and ease of use. Whether you're tackling a large residential project, commercial jobs, or smaller DIY tasks, the Graco 77X540 stands out as a reliable and effective solution for achieving a professional-grade finish. With its advanced technologies and thoughtful design, this airless paint sprayer elevates the painting experience, making it an essential tool in any painter's arsenal.