MPFHVLP SPRAY GUN

Troubleshooting

WARNING

Follow Pressure Relief Procedure, page 3, before troubleshooting or servicing. Read warnings, page 2.

Problem

Cause

Solution

 

Normal pattern

No action necessary

Right

 

 

 

Dirty or damaged air cap or fluid nozzle.

Rotate air cap 180°.

 

 

If pattern follows air cap, problem is in air cap. Clean and

 

 

inspect. If pattern is not corrected, replace air cap.

 

 

If pattern does not follow the air cap, the problem is with the

Wrong

 

fluid nozzle. Clean and inspect the nozzle. If the pattern is

 

not corrected, replace nozzle.

Heavy top or

 

 

 

bottom pattern

 

 

 

Pressure too high for viscosity of material

a. Reduce air pressure.

 

being sprayed.

b. Increase material viscosity

 

 

 

 

c. Correct pattern by narrowing fan size with spray width

 

 

adjustment knob.

Wrong

 

 

Split pattern

 

 

 

Dirty or distorted air horn holes.

Rotate air cap 180°.

 

 

If pattern follows air cap, problem is in air cap. Clean and

 

 

inspect. If pattern is not corrected, replace air cap.

Wrong

 

 

Will not spray.

Fluid supply empty.

Fill fluid supply.

 

a. Fluid pressure too high for viscosity of

a. Reduce fluid pressure.

 

material being sprayed.

 

 

b. Air pressure too low.

b. Increase air pressure.

 

c. Gun held too close to surface.

c. Hold gun about 6-8 inches (150-200 mm) from surface.

Wrong

 

 

Heavy pattern or

 

 

orange peel

 

 

5

309990C

Page 5
Image 5
Graco Inc MPFHVLP, 7045, 309990C Troubleshooting, Problem Cause Solution, Normal pattern No action necessary

309990C, 7045, MPFHVLP specifications

Graco Inc 309990C,7045,MPFHVLP represents a significant advancement in spray finishing technology, tailored for high-demand industrial applications. This machine combines efficiency with precision, making it an excellent choice for professionals in various fields, including automotive, woodworking, and industrial coatings.

One of its main features is the advanced High-Volume Low-Pressure (HVLP) design, which maximizes transfer efficiency while minimizing overspray. This not only saves on material costs but also contributes to a cleaner working environment. The 309990C model ensures a smooth and even application, resulting in a high-quality finish that meets the rigorous standards of today’s industries.

The technology behind the Graco MPFHVLP is engineered for consistent performance and durability. It boasts an easy-to-use control interface that allows operators to adjust pressure and flow settings on the fly. With a powerful turbine system, it generates the required airflow to atomize coatings effectively, ensuring that operators can cover large surfaces quickly without compromising on quality.

A standout characteristic of the Graco Inc 309990C is its modular design, enabling effortless maintenance and upgrades. The user-friendly construction allows for quick disassembly, providing easy access to maintenance points and ensuring minimal downtime. This feature is particularly beneficial for businesses where efficiency directly correlates to profitability.

Additionally, the Graco MPFHVLP incorporates innovative material compatibility. It can be used with a wide range of coatings, including water-based, solvent-based, and high-viscosity materials. This versatility makes it an ideal choice for various applications, from fine detail work to larger surface projects.

Safety is also a priority in the design of the Graco Inc 309990C. It includes integrated features such as over-temperature protection and advanced filtration systems that safeguard users and the environment from harmful particles and volatile organic compounds (VOCs).

In summary, the Graco Inc 309990C,7045,MPFHVLP stands out as a highly efficient and versatile spray finishing solution that leverages sophisticated technology and user-focused design. Its combination of high transfer efficiency, ease of maintenance, and broad material compatibility positions it as an essential tool for professionals seeking to enhance their productivity while delivering superior results.