Harbor Freight Tools 90749 operating instructions Figure E

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7.Connect the air hose (not provided) to the previously installed 3/8” NPT Quick Coupler on the Air Outlet Line. Then, connect the other end of the air hose to the pneumatic tool or equipment (not provided) that is to be used.

8.Start the Gasoline Engine (5). Refer to the Gasoline Engine manufacturer’s instruction manual for further information.

9.Allow sufficient time for the Air Tanks’ Pressure Gauge (27) to indicate at least 80 PSI before using the Air Compressor. (See Figure I.)

AIR FILTER (B4) SAFETY COVER (31)

CONTROL VALVE ASSEMBLY

(22)

PRESSURE GAUGE

(44)

AIR OUTLET LINE

GASOLINE ENGINE (5)

PRESSURE GAUGE (27) SAFETY VALVE (42)

TIRE (35)

DRAIN PLUG

AIRTANK (31)

FIGURE E

10.Turn the Control Valve Assembly (22) counterclockwise to allow air to the pneumatic tool. (See Figures B, and E.)

11.NOTE: When adjusting the air pressure being forwarded to the pneumatic tool, you will need to compare the pressure readings of both the Tanks’ Pressure Gauge (27) and the outlet Pressure Gauge (44). The reading on the Tanks’ Pressure Gauge dictates the maximum air pressure at which the outlet Pressure Gauge may be set. (See Figure E.)

12.With the Air Compressor running, and the air hose and pneumatic tool hooked up to the Air Compressor, turn the Control Valve Assembly (22) counterclockwise to increase the air output to the tool, up to the maximum rated pressure (115 PSI) as indicated on the Tanks’ Pressure Gauge (27). (See Figure E.) In any case never exceed the pressure rating of the hose or tool connected to compressor.

13.Turn the Control Valve Assembly (22) clockwise to decrease the air output to the tool, down to the minimum rated pressure (0 PSI) as indicated on the Tanks’ Pressure Gauge (27). (See Figure E.)

14.The Safety Valve (42) is used when decompression is needed quickly and efficiently. (See Figure B.)

SKU 90749

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

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Contents AIR Compressor General Safety Warnings and Precautions Product SpecificationsSave this Manual SKU For technical questions, please callIndustrial Applications Must Follow Osha Requirement Specific Product Warnings and PrecautionsAttached and in Good Working ORDER. Air Compressor Never Operate the AIR Compressor Without ITS Safety CoverProlonged Exposure to Noise Levels Above 85 dBA is Hazard Figure a UnpackingAssembly Instructions Assembly Diagram on page 12Operating Instructions See Figures D, and E Not to strip the plastic threads See Figure CFigure E INSPECTION, MAINTENANCE, and Cleaning See Figures B, and EDaily Empty Condensation from the AIR Tanks Figure F Assembly Diagram Parts ListAssembly Diagram B Parts List B