Harbor Freight Tools 93974 operating instructions Operation

Models: 93974

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Operation

Paint and Materials Preparation

Verify with the paint or materials supplier the percentage of thinning required for use with these Sprayers. Try thinning a small amount and testing the spray action.Thoroughly mix material before testing.

Viscosity

Viscosity is the technical term used to indicate the liquidity (thickness or thinness) of the material being sprayed. Viscosity is measured in the number of seconds required for the material to pass through the viscosity tester (not included). We recommend that you use a viscosity tester and follow all of the directions in the viscosity tester’s safety and operations manual.

Preparing the area

1.Mask all objects you do not want sprayed.

2.Lay a Paint Cloth (not included) on the floor, and attach Paint Cloths (not included) to the surrounding walls.

Preparing and Operating both Spray Guns

Note: We recommend you practice on scrap material to adjust and become familiar with the Gun.

1.Remove the lid from the Paint Cup (47) or (34a). Insert a Filter (included) into the top of the Paint Cup. This will prevent dirt and debris from entering the Paint Cup.

2.Fill the cup with material that has already been checked for viscosity. Close the Paint Cup tightly to avoid leakage. Mount the Paint Cup to the Spray Gun. Make sure that the Paint Cup is securely attached.

3.Connect the air source hose to the Air Inlet (40) or (23a). Turn on your air compressor.

Do not exceed the maximum PSI.

4.Squeeze the Trigger slowly and move the Spray Gun in parallel strokes to the object being painted. Keep the distance from the object being painted at 6” to 9”. This may slightly differ depending on the flow adjustment and the material being sprayed.

5.Release the Trigger after each forward movement; squeeze the Trigger again on the return movement.

6.When using a vertical pattern, move the Spray Gun in a horizontal motion; with a hori- zontal pattern move the Spray Gun in a vertical motion. A round pattern requires a greater distance from the object being painted.

Note: Gun adjustments on page 7-9.

7.When finished, release the Trigger and disconnect the sprayer from the air source. The Paint Cup and Spray Gun may still hold air pressure; fire the Spray Gun toward scrap material until all of the pressure is expended.

8.Immediately follow the Maintenance instructions on page 13 and 14 to avoid paint quickly drying in your Spray Gun, making it difficult to clean.

SKU 93974

For technical questions, please call 1-800-444-3353

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Harbor Freight Tools 93974 operating instructions Operation