Air Motor and Throat Service, Before You Start

Air Motor and Throat Service

Before You Start

DBe sure you have all necessary parts on hand. Air Motor Repair Kit 207385 includes repair parts for the motor. Use all the parts in the kit for the best results. Parts included in the kit are marked with one asterisk, for example (19*), in the text and drawings. See the Parts List on page17.

DTwo accessory tools should be used: Padded Pliers, 207579, are used to grip the trip rod without damaging its surface, and a 0.125-in. (3.18 mm) Gauge, 171818, is used to assure the proper clearance between the poppets and seat of the piston.

9.Remove the eight screws (3) holding the cylinder (30) to the base (28). Carefully pull the cylinder straight up off of the piston assembly (27).

CAUTION

To avoid damaging the cylinder wall, lift the cylinder straight up off of the piston. Never tilt the cylinder as it is being removed.

Disassembly

1. Flush the pump.

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 8.

2.Relieve the pressure.

3.Disconnect the hoses, remove the pump from its mounting, and clamp the air motor base (28) in a vise horizontally by closing the vice jaws on the flange.

4.Use a strap wrench on the displacement pump cylinder (110) to screw it out of the air motor base

(28).See Fig. 3.

5.Remove the piston/valve seat (109) from the rod

(29)with wrenches or with the vice and a wrench.

6.Remove the piston ball (103), u-cup packing (107{), and piston washer (113).

7.Remove the air motor base from the vice, and place the piston rod (29) flats in the vice with the air motor up.

8.Loosen the lift ring (24). Pull up the lift ring, grip the trip rod (31) with the padded pliers, and screw the lift ring off of the rod.

103

113

flange

109

110

10{

108{

107{

105{

TI1076

CAUTION

Do not damage the plated surface of the trip rod (31). Damaging the surface of the trip rod can result in erratic air motor operation. Use the special padded pliers, 207579, to grasp the rod.

10 308608K

Fig. 3	06033

{Included in Pump Repair Kit 238225, which may be purchased separately.

238108, Series D specifications

Graco 223177, Series D is a high-performance spray gun designed for professional-grade painting and finishing applications. This versatile tool is valued for its precision, efficiency, and user-friendly features, making it a favorite among contractors, painters, and DIY enthusiasts alike.

One of the standout features of the Graco 223177 is its innovative Airless technology. This technology eliminates the need for compressed air, allowing for a smooth and even spray pattern. This results in a finer finish with fewer overspray issues, saving time during cleanup and minimizing paint waste. The Airless system also ensures that the paint is atomized effectively, providing a flawless application that reduces the need for multiple coats.

The gun offers adjustable pressure control, enabling users to tailor the spray output according to specific project requirements. This feature is particularly beneficial when working with different materials, as it allows for precise control over the thickness of the paint being applied. The Graco 223177 can handle a wide range of coatings, including latex, oil-based paints, and stains, offering versatility for various applications.

The ergonomic design of the Graco 223177 enhances user comfort during extended use. It is lightweight and features a comfortable grip, reducing hand fatigue. The design also includes an integrated filter that prevents clogs, ensuring consistent performance without interruptions. Additionally, the gun's easy-to-clean components streamline maintenance, allowing users to quickly prepare for their next task.

Another notable characteristic of the Graco 223177 is its durability. Built with high-quality materials, this spray gun is designed to withstand the rigors of daily use while maintaining its performance standards. It is compatible with a range of spray tips, offering flexibility in terms of spray patterns and widths, catering to the needs of different projects—from large surfaces to intricate details.

In conclusion, the Graco 223177, Series D stands out for its advanced Airless technology, adjustable pressure control, ergonomic design, and durability. These features make it an ideal choice for professionals seeking efficiency and quality in their painting tasks, as well as for homeowners looking to achieve a professional finish. With its broad capabilities, the Graco 223177 is a reliable tool that enhances productivity and delivers excellent results across various painting applications.