Operation

Warning!! Never attempt to adjust or remove Valve Air Outlet (#A-9). It is pre-set at 170 psi. Removal of valve voids warranty.

Warning!! Before using your compressor for the first time, fill with oil. Running the com- pressor with low, or no oil, voids the warranty.

1.Carefully and slowly unscrew the Oil Dipstick (#B-19)from the oil reservoir. The assembly is made of plastic and will break if you are too forceful.

2.Check that oil reaches the full mark on the Oil Dipstick (#B-19). If not, fill with a standard, non-detergent, 30-weight motor oil. Do not overfill. If overfilled, remove the drain plug and drain appropriate amount.

For best service, you should incorporate an oiler, regulator, and filter, in line, as shown in the diagram below. Hoses, couplers, oilers, regulators, and filters are all available from Harbor Freight Tools.

Tool

1.Conncect your air hose to the 1/4” NPT.

2.Safety pre-check:

a.Make sure the drain valve at the bottom of the tank is closed.

b.Re-check the oil level.

c.Make sure the Valve Air Outlet (#A-9)is undamaged and functional.

3.Turn the Valve Air Outlet (#A-9)to the off position. In the off position, the handle is perpendicular to the air hose fitting.

4.Turn on the compressor by pulling up the Air Pressure Switch (A-10). (To turn it off, push the Air Pressure Switch (A-10)down.

5.Watch the Pressure Guage (#A-6)and allow the compressor to build up at least 80 psi.

6.After reaching 80 psi, open the Valve Air Outlet (#A-9)by turning it parallel to the air hose fitting. This will pressurize the hoses and air tools. Check for air leaks and test your air tool.

7.When the Air Pressure Switch(A-10)is in the on position, the compressor is automati- cally controlled by an internal pressure switch. The compressor automatically turns on when the pressure drops to 80 psi, and turns back off when it reaches 110 psi.

Warning! Although the internal pressure switch is adjustable, changing the pressure setting is not recommended; any change to the on/off pressure levels will cause addi- tional stress to the motor, resulting in shortened motor life.

Note: If you need to quickly depressurize the air compressor, turn it off by pressing the Air Pressure Switch (A-10)down, then, pull out the Safety Valve Ring (#A-4).

SKU 45214

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REV 02/04

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Harbor Freight Tools 45214 operating instructions Operation, Re-check the oil level