Harbor Freight Tools 90168 operating instructions For technical questions, please call

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factory preset level, the Safety Valve will automatically pop open to prevent over pressurization in the Tank (14).

To operate the Safety Valve manually, pull the ring on the Safety Valve to relieve air pressure in the Tank.

3.Tank Pressure Gauge (2): The Tank Pressure Gauge measures the air pressure stored in the Tank (14), and is not adjustable by the operator.

4.Tool Pressure Gauge (2A): The Tool Pressure Gauge measures the air pressure being supplied to the tool being used.

5.Tool Pressure Regulator (6): The Tool Pressure Regulator allows you to adjust the air pressure (0 to 120 PSI) being supplied to the tool being used. Turn the Tool Pressure Regulator clockwise to increase the air pressure to the tool, and counterclockwise to decrease the air pressure.

SKU 90168

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

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Contents Oilless Compressor Save This Manual General Safety WarningsRecommended Minimum Wire Gauge for Extension Cords Air Compressor Safety Warnings For technical questions, please call Grounded Compressors Compressors with Three Prong Plugs Grounding InstructionsUnpacking SpecificationsProduct Overview For technical questions, please call Operating Instructions Maintenance Servicing Please Read the Following Carefully Parts ListAssembly Diagram Limited 1 year / 90 day Warranty