TROUBLESHOOTING GUIDE

WARNING

Pressure Relief Procedure

To reduce the risk of serious bodily injury, including injury from moving parts, or electric shock, always follow this procedure whenever you shut off the sys- tem, when checking or servicing any part of the sys- tem and whenever you stop painting.

1.Turn the ON/OFF switch to OFF.

2.Unplug the power supply cord.

3.Trigger the roller valve to relieve pressure.

If you suspect that pressure is not fully relieved after following the steps above, open the priming valve 2 turns counterclockwise.

CAUTION

Thoroughly flush the system after each use to re- duce down time and costly repair bills.

NOTE: If you are not able to determine the cause of the problem, or the problem and solution is not dis- cussed in this chart, return the system to an au- thorized service agency for repair.

PROBLEM

CAUSE

SOLUTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pump will not prime, or takes long time to prime

Clogged suction tube filter

Clean.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Paint too thick

Thin; try pouring paint into suction tube.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outlet valve spring worn or damaged

Pour paint into suction tube and try to prime system.

 

 

If it doesn’t prime in one minute, replace the outlet

 

 

spring. See Outlet Valve, page 13.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inlet valve stuck or damaged

Depress valve gently and pour in about 1 teaspoon

 

 

mineral spirits. Try to prime pump. Replace valve if

 

 

necessary. See Inlet Valve, page 13.

 

 

 

 

 

 

 

 

DEPRESS LIGHTLY.

 

 

 

 

 

 

 

 

POUR IN 1 TEASPOON

 

 

 

 

 

 

 

 

MINERAL SPIRITS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0289

 

 

 

 

Loose inlet hose nut

Tighten

 

 

 

Pump will not start

Power cord unplugged

Plug in.

 

 

 

 

ON/OFF switch turned off

Turn on.

 

 

 

 

Damaged motor

Replace. See page 15.

 

 

 

 

Fuse burned out.

Replace. See page 12. If it burns out again soon, re-

 

 

turn the system to an authorized repair agency for re-

 

 

pair.

 

 

 

Low or no paint flow

Clogged roller cover , diffuser, roller frame,

Clean thoroughly after each use. See Flushing on

roller valve, or hose

page 8.

 

 

Using more than 25 ft. (7.6 m) of 1/4” ID hose

Use up to 100 ft. (30 m) of 3/8” ID hose. See CAU-

 

TION on page 2.

 

 

 

Loose inlet hose nut

Tighten.

 

 

 

 

Worn or damaged priming valve

Replace. See page 14.

 

 

 

 

Priming valve is open

Close.

 

 

 

 

Paint too thick

Thin: Follow manufacturer‘s recommendations.

 

 

 

 

Damaged pressure switch

Replace. See page 13.

 

 

 

 

Worn inlet and/or outlet valve

Replace. See page 13.

 

 

Pump runs after roller valve trigger is released Worn or damaged pressure switch

Replace. See page 13.

 

 

 

 

Worn or damaged inlet valve

Replace. See page 13.

 

 

 

 

Worn or damaged outlet valve

Replace. See page 13.

 

 

 

 

Worn or damaged priming valve

Replace. See page 14.

 

 

 

 

Worn roller valve packings or needle

Repair. See page 11.

10307-730

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Graco Inc 307-730, PT2000, 218938, 223660 manual Troubleshooting Guide, Problem Cause Solution
Page 9 Page 11

218938, PT2000, 307-730, 223660 specifications

Graco Inc is a well-known player in the field of fluid handling systems, and their product range is extensive, including spray equipment, fluid handling accessories, and other innovative solutions. Among their offering, models such as the Graco 223660, 307-730, PT2000, and 218938 stand out due to their robust features and advanced technologies.

The Graco 223660 is recognized for its reliability and performance in various applications. This model is particularly popular in the automotive and industrial sectors, primarily for its ability to deliver smooth and consistent finishes. Its integrated features enhance user experience, making it easy to adjust flow rates, pressure, and spray patterns on the fly. The design focuses on reducing material waste, which further contributes to cost-efficiency.

The 307-730 model brings forward a unique combination of power and precision. Equipped with advanced airless technology, it enables users to achieve professional-grade results without the need for extensive training. It is lightweight and portable, making it suitable for both large-scale projects and smaller jobs. The 307-730 also features a robust motor that efficiently handles various coatings, from thick paints to lightweight stains, ensuring versatility in applications.

Another noteworthy product from Graco is the PT2000. This model is engineered to provide maximum performance while minimizing environmental impact. With low-voc (volatile organic compounds) technology, the PT2000 is designed to support sustainable practices in the painting industry. Its user-friendly controls allow for easy adjustments, and its durability ensures longevity and minimal maintenance needs, making it a favorite among contractors.

Lastly, the Graco 218938 is an essential accessory that enhances the functionality of the Graco spraying equipment. This component is designed to improve the overall efficiency of the spray systems, contributing to a more streamlined operation. The 218938 is known for its compatibility with various Graco models, making it a versatile addition to any contractor's toolkit.

In conclusion, the Graco 223660, 307-730, PT2000, and 218938 showcase the company's commitment to quality, innovation, and customer satisfaction. With their advanced technologies and user-centric designs, these products address the diverse needs of professionals in the fluid handling and painting sectors, ensuring seamless performance for a wide range of applications. Whether for commercial or residential use, Graco's offerings continue to set the standard in the industry.
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