Harbor Freight Tools 66222 operating instructions Air Supply, Injury from accidental operation

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Air Supply

To prevent explosion: Use only clean,

dry, regulated, compressed air to power this tool. Do not use oxygen, carbon dioxide, combustible gases, or any other bottled gas as a power source for this tool.

1.Incorporate a shut-off valve, regula- tor with pressure gauge, and filter for best service, as shown in the diagram above. An in-line shutoff valve is an important safety device because it controls the air supply even if the air hose is ruptured.

2.Attach an air hose to the compres- sor’s air outlet. Connect the air hose to the air inlet of the tool. Other com- ponents, such as a connector and quick coupler, will make operation more efficient, but are not required.

WARNING! To prevent serious

injury from accidental operation:

Do not install a female quick coupler on the tool. Such a coupler contains an air valve that will allow the air tool to retain pressure and operate accidentally after the air supply is disconnected.

Note: Air flow, and therefore tool perfor- mance, can be hindered by under- sized air supply components.

3.The air hose must be long enough to reach the work area with enough extra length to allow free movement while working.

4.Make sure the tool’s trigger is in the off position; refer to Operation section for description of controls.

5.Close the in-line safety valve be- tween the compressor and the tool.

6.Turn on the air compressor according to the manufacturer’s directions and allow it to build up pressure until it cycles off.

7.Adjust the air compressor’s output regulator so that the air output is enough to properly power the tool, but the output will not exceed the tool’s maximum air pressure at any time. Adjust the pressure gradually, while checking the air output gauge to set the right pressure range.

8.Inspect the air connections for leaks. Repair any leaks found.

9.If the tool will not be used at this time, turn off and detach the air sup- ply, safely discharge any residual air pressure, and release the throttle and/or turn the trigger to its off posi- tion to prevent accidental operation.

SKU 66222

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

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Contents Distributed exclusively by Harbor Freight Tools For technical questions or replacement parts, please callWork area Safety Alert Symbol and Signal WordsSave This Manual GeneralTool use and care Personal safetyAir source ServiceMin Symbol DefinitionsSpecific Safety Instructions Symbol Property or statementComponents and Controls Initial Tool Set Up AssemblySpecifications Functional DescriptionInjury from accidental operation Air SupplyUnderstanding Hvlp Operating InstructionsWork Piece Work Area Set Up Tool Set UpPrepare the paint Do not exceed the tool’s maximum air pressure rating Adjust the Air PressureAdjust the Paint Volume Adjusting Fan Direction and PatternSKU For technical questions, please call Understanding Paint Thinners and SolventsPainting Technique With this Hplv Sprayer Paint Type Thinner SolventOperating the Hvlp Sprayer Clean the Sprayer thoroughly be- fore putting it awayCleaning, Maintenance Lubrication Cleaning the Sprayer User Maintenance InstructionsProblem Possible Causes Likely Solutions Tool TroubleshootingPaint Application TroubleShooting Part Description ’ty Parts ListAssembly Diagram Record Product’s Serial Number Here Limited 90 DAY Warranty