16.Before each use, always check all connections and joints to make sure no air leaks are present. Also check air hoses for cracks or excessive wear. Always replace a damaged hose.

17.Maintain labels and nameplates on this product. These carry important information. If unreadable or missing, contact Harbor Freight Tools for a replace- ment.

18.Always disconnect the Air Regulator from its air supply source before performing any maintenance on the Air Regulator.

19.WARNING! The brass components of this product contain lead, a chemical known to the State of California to cause birth defects (or other reproductive harm). (California Health & Safety Code 25249.5, et seq.)

20.Always read and adhere to all safety warnings and instructions provided in the instruction manual of the spray paint equipment being used.

21.WARNING! The warnings, precautions, and instructions discussed in this manual cannot cover all possible conditions and situations that may occur. The operator must understand that common sense and caution are factors, which cannot be built into this product, but must be supplied by the operator.

UNPACKING

When unpacking, check to make sure all the parts shown on the Parts List (page 7) are included. If any parts are missing or broken, please call Harbor Freight Tools at the number shown on the cover of this manual as soon as possible.

PRODUCT DESCRIPTION

1.The Air Regulator is designed for use on paint spray guns. The Regulator’s stop feature prevents surges while spraying to keep an even coat and improve the paint finish.

ASSEMBLY INSTRUCTIONS

NOTE: For additional references to the parts listed on the following pages, refer to the

Assembly Diagram (page 7).

1.Proper use of the Air Regulator requires that it be directly attached to the air intake of the spray gun. To do so, wrap about 3” of pipe thread seal tape (not included) around the male threads of the Spray Gun. Then, wrench

SKU 90590

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Harbor Freight Tools 90590 manual Unpacking, Product Description, Assembly Instructions, Assembly Diagram
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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.
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