Symptom

Possible Cause

Solution

 

 

 

 

 

Excessive over-

1.

Fluid pressure too high.

1.

Reduce fluid pressure.

spray.

2.

Gun is too far from surface.

2.

Keep gun at recommended

 

 

 

 

distance.

 

3.

Spraying too fast.

3.

Slow down and maintain

 

 

 

 

consistent, even parallel

 

 

 

 

stroke.

 

 

 

 

 

Unable to control

1.

Pattern adjustment screw is

1.

Clean or replace.

spray fan.

 

not seating properly.

 

 

 

2.

Atomizing cap is loose.

2.

Tighten atomizing cap.

 

 

 

 

 

Runs and sags.

1.

Damaged seal.

1.

Replace damaged seals.

 

 

 

 

 

Material leaks from

1.

Cap not secure.

1.

Tighten.

cup.

2.

Cup not tight on gun body.

2.

Tighten.

 

3.

Leaking from cap vent hole.

3.

Hold gun upright do not tilt.

 

 

 

 

 

Material leaks from

1.

Fluid tip loose.

1.

Tighten.

gun.

2.

Dry or damaged seals.

2.

Replace seals.

 

3.

Excessive pressure.

3.

Reduce pressure.

 

 

 

 

 

Thick dimpled finish

1.

Holding gun too close to sur-

1.

Spray at recommended dis-

aka "Orange Peel."

 

face.

 

tance.

 

2.

Inlet air pressure too low.

2.

Check inlet air pressure.

 

3.

Material not properly mixed.

3.

Follow manufacturer's

 

 

 

 

instructions.

 

4.

Surface is dirty or oily.

4.

More surface prep is

 

 

 

 

required.

 

 

 

 

 

Dry Spray.

1.

Inlet air pressure too high.

1.

Lower inlet air pressure.

 

2.

Gun too far from surface.

2.

Keep gun at recommended

 

 

 

 

distance.

 

3.

Gun stroke too fast.

3.

Slow down and maintain

 

 

 

 

consistent even parallel

 

 

 

 

stroke.

 

 

 

 

Gun leaks from

1.

Debris will not let the needle

1. Clean or replace both.

fluid tip.

 

seat with the fluid tip.

 

 

 

 

 

 

 

Contaminated

1.

Water or oil in the air line.

1.

Install an in-line air filter.

paint.

 

 

2.

Replace air line.

 

 

 

 

 

-16-

Model H7669 HVLP Spray Gun

Page 16
Image 16
Grizzly H7669 instruction manual Symptom Possible Cause Solution

H7669 specifications

The Grizzly H7669 is a well-regarded variable speed mini lathe designed for precision work, especially suitable for both hobbyists and professionals in the woodworking and metalworking fields. This model stands out due to its compact size and powerful features, making it an excellent choice for those with limited workspace who don’t want to sacrifice performance.

One of the main features of the Grizzly H7669 is its variable speed capability, allowing users to adjust the spindle speed between 100 to 2500 RPM. This range caters to various materials and projects, from soft woods to harder metals, ensuring optimal performance and finish regardless of the task at hand. The electronic speed control is user-friendly, making it straightforward to dial in the exact speed needed for each cutting operation.

The lathe has a robust construction featuring a cast iron base that enhances stability and vibration absorption. This material choice not only contributes to the machine's longevity but also ensures a smoother operation, leading to more accurate results. The solid build of the Grizzly H7669 means it can handle repetitive tasks without compromising on performance.

Another significant characteristic is its 14-inch swing over bed capacity and a 40-inch distance between centers, providing ample space for turning larger pieces. This makes it a versatile tool for various turning projects, including bowls, spindles, and larger workpieces that require more room.

The tool rest is another well-thought-out feature of the Grizzly H7669. It is adjustable and can be locked securely in place, giving woodturners the stability needed for intricate work. The included tailstock and headstock are also designed for easy adjustments, offering quick access to change setups and switch between different operations.

For safety, the H7669 comes equipped with a powerful motor that operates quietly, reducing operational noise while maintaining efficiency. The built-in safety features, such as automatic shut-off and motion sensors, add an essential layer of protection for users.

In conclusion, the Grizzly H7669 mini lathe combines compact design with a range of advanced features suitable for woodworking and metalworking. Its variable speed settings, extensive swing, and durable construction make it an essential tool for anyone looking to achieve precision and quality in their turning projects. Whether you’re a seasoned professional or a beginner, the Grizzly H7669 promises to deliver exceptional results and enhance your woodworking experience.