tighten the Air Diaphragm Regulator into the air intake of the spray gun.

(See Figure A.)

SPRAY PAINT GUN

NOT INCLUDED.

ADAPTER (#13)

ADJUSTING KNOB (#1)

PRESSURE GAUGE (#14)

CONNECT AIR SUPPLY HOSE

FIGURE ATO COUPLER (not included)

OPERATING INSTRUCTIONS

1.NOTE: Before starting, make sure to refer to both the spray gun and paint manufacturers’ instruction manuals to determine the proper level of air pressure required for each specific painting job that is to be performed.

2.To use the Air Regulator, turn its Adjusting Knob counterclockwise all the way. (See Figure A.) Apply several wraps of sealant tape to the threads of #13 Adapter. Then install a 1/4” NPT or 1/4” NPS coupler plug (not included) on the Adapter, and wrench tighten.

3.Connect the air supply hose to the Coupler (not included) of the Air Regulator. Then, turn on the air compressor. (See Figure A.)

4.IMPORTANT: The air pressure of the Air Regulator may be adjusted from 0 to 160 PSI. To increase the level of PSI, turn the Adjusting Knob (part #1) clockwise. To decrease the level of PSI, turn the Adjusting Knob counterclockwise. (See Figure A.)

5.Turn the Adjusting Knob (part #1) clockwise to raise the air pressure to the de- sired level as indicated on the Pressure Gauge (part #14). (See Figure A.)

6.Make sure to spray waste material for several seconds prior to starting the actual job. This allows you to properly adjust the spray gun and, if necessary, re-adjustthe level of air pressure using the Adjusting Knob (part #1).

SKU 90590

PAGE 5

Page 4 Page 6
Page 5
Image 5
Harbor Freight Tools 90590 manual Operating Instructions, See Figure a
Page 4 Page 6

90590 specifications

Harbor Freight Tools has established itself as a go-to source for affordable and quality tools and equipment, and among its noteworthy offerings is the 90590. This model exemplifies the brand's commitment to providing tools that cater to both professionals and DIY enthusiasts alike.

The Harbor Freight Tools 90590 is a versatile and efficient 20-ounce ball peen hammer, designed for striking, shaping, and flattening metal surfaces. Its classic design ensures it meets various needs in metalworking, construction, and automotive applications. One of the main features of the 90590 is its durable construction. Composed of high-quality steel, this hammer promises long-lasting performance and resilience even under heavy use.

A key characteristic of the 90590 is its balanced design, which provides ease of use and enhanced control. The forged steel head is not only designed for impact but also allows workers to achieve precise blows, making it suitable for detailed tasks in metal shaping. The ball peen end of the hammer is particularly effective for peening rivets and striking chisels, allowing users to perform a broader range of applications.

Additionally, the 90590 features a sturdy, comfortable grip. The rubberized handle minimizes vibration during use, offering a secure hold that reduces fatigue in hand and arm muscles, making it a great choice for prolonged work sessions. This ergonomic touch plays a crucial role in ensuring safety and efficiency on the job.

The Harbor Freight Tools 90590 also stands out for its affordability, embodying the company’s philosophy of providing quality tools without breaking the bank. This makes it accessible to a wide range of customers, from hobbyists working on personal projects to professionals who need reliable tools for daily tasks.

In summary, the Harbor Freight Tools 90590 is a robust, versatile ball peen hammer that combines durability with user-friendly features. With its high-quality steel construction, balanced design, comfortable grip, and affordability, it is an excellent choice for anyone looking for a dependable tool in their toolkit. Whether for a home workshop or a professional environment, the 90590 is sure to meet the demands of various tasks while providing exceptional value.
Top Page Image Contents