Harbor Freight Tools 98904 operating instructions Air Connections, Operation, Maintenance

Models: 98904

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Air Connections

Air Connections

Caution: To avoid injury, make certain that the air compressor is unplugged from the power source and that all pressure is released from its tank before connecting the Air Filter/Regulator to it.

Air Hose

 

AIR COMPRESSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(5B)

Regulator Handle (1C)

 

 

 

Pressure Gauge (6B)

 

 

Air Inlet

Male Quick Coupler

 

Male Quick

Coupler

(not supplied)

 

(not supplied)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Air Hose

Female Quick Coupler

Female

Quick Coupler

(not supplied)

(not supplied)

 

Figure 6

Air Valve (5B)

 

1.Connect an air hose (not included) or pipe (not included) beween your air compressor (not included) and the 1/2” air inlet located on top of the Filter Cap (2A). See Figure 6.

2.Connect another air hose (not included) between the Air Valve (5B) and your air tool or paint gun. See Figure 6.

NOTE: It is recommended that you use male and female quick connectors as shown in Figure 6 above. This will allow you to quickly change air tools and hoses if requied.

Operation

1.Turn on the air compressor and check for leaks. If any are found, turn the Compressor off, drain air from tank, and fix the leak. WARNING: Do not exceed 160 PSI during use.

2.With the compressor ON, turn the Regulator Handle(1C) to set the pressure that you want. Look at the Pressure Gauge (6B) while you turn the Adjusting Screw. Stop turning the Regulator Handle (1C) when the Pressure Gauge needle points to the desired pressure. See Figure 6.

3.You must drain the Air Filter/Regulator of water daily. With the unit under pressure, turn the Drain Plug (14A) to expel any accumulated moisture from the Air Filter. See page 6 parts list A.

Maintenance

Caution: To avoid injury, make certain that the Air Filter/Regulator is depressurized before performing any maintenance on it.

1.Periodically remove the Filter (6A), rinse it out with water and replace. If it is damaged or if it needs to be replaced you can order a new one by calling 1-800-444-3353

2.To disassemble the air filter; remove the Nipple (1B) from the Housing (7A) by twisting it in a counterclockwise rotation.

3.NOTE: You will need to firmly hold the Cap Nut (13A), with a wrench, while you turn the Nipple (1B) because they are both connected to the same Stud (10A). See the parts list and assembly diagram page 6.

4.Once the Nipple (1B0 is removed the filter will be accessible.

5.Make sure to tighten the Nipple (1B) before pressurizing the unit.

SKU 98904

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

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Harbor Freight Tools 98904 Air Connections, Operation, Maintenance, For technical questions, please call