Troubleshooting

Symptom

Possible Cause

Solution

 

 

 

 

 

 

 

 

 

Fluttering or

1. Dry or worn fluid tip seat per-

1.

Tighten fluid tip or replace

Spitting spray.

 

mits air to seep into fluid pas-

 

seat with new one.

 

 

 

 

 

 

 

sage.

 

 

 

 

 

 

 

 

2.

Material level too low.

2.

Add material.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Fluid tip or strainer obstructed.

3.

Clean

 

 

 

 

 

 

4.

Dry needle packing.

4.

Lubricate needle.

 

 

 

 

 

 

 

 

 

Uneven top

 

or

bot-

1. Atomizing cap holes are

1.

Clear holes.

tom

pattern.

 

 

 

 

obstructed.

 

 

 

 

 

 

 

 

2.

Build-up on top or bottom of

2.

Clean.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

fluid tip.

 

 

 

 

 

 

 

 

3.

Build-up on atomizing cap is

3.

Clean.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

on needle seat.

 

 

 

 

 

 

 

 

 

 

 

Right or left arc

1. Left or right side horn holes

1.

Clear holes.

pattern.

 

are plugged.

 

 

 

 

 

 

 

 

2.

Build-up on left or right side of

2.

Clean.

 

 

 

 

 

 

 

fluid tip.

 

 

 

 

 

 

 

 

3.

Build-up of material inside

3. Clean.

 

 

 

 

 

 

 

atomizing cap.

 

 

 

 

 

 

 

 

 

 

 

Heavy deposit of

1. The material flow exceeds the

1.

Lower fluid flow.

material in center.

 

atomizing cap capacity.

 

 

 

 

 

 

 

 

2.

Inlet air pressure is too low.

2.

Increase inlet air pressure.

 

 

 

 

 

 

3.

Material is too thick.

3.

Thin material.

 

 

 

 

 

 

 

 

 

Narrow center pat-

1. Volume control turned in too

1.

Increase volume.

tern.

 

far.

 

 

 

 

 

 

 

 

2.

Inlet air pressure too high.

2.

Reduce inlet air pressure.

 

 

 

 

 

 

3.

Fluid pressure is too low.

3.

Increase fluid pressure.

 

 

 

 

 

 

4.

Material is too thin.

4.

Adjust material.

 

 

 

 

 

 

 

 

 

No spray output.

1. No pressure at gun.

1.

Check air supply.

 

 

 

 

 

 

2.

Fluid passages dirty.

2.

Clean gun, remove any

 

 

 

 

 

 

 

 

 

obstructions.

 

 

 

 

 

 

3.

Fluid control closed.

3.

Open.

 

 

 

 

 

 

4.

Out of paint.

4.

Refill.

 

 

 

 

 

 

 

 

 

 

Model H7669 HVLP Spray Gun

-15-

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Grizzly H7669 instruction manual Troubleshooting, Symptom Possible Cause Solution
Page 14 Page 16

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.
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