Unpacking, Operation | Harbor Freight Tools 90399 guide

21.Compressed air only. Never use combustible gases as a power source.

Warning:The warnings, cautions, and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur. It must be under- stood by the operator that common sense and caution are factors which cannot be built into this product, but must be supplied by the operator.

WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities, contain chemicals known [to the State of California] to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:

-Lead from lead-based paints

-Crystalline silica from bricks and cement or other masonry products

-Arsenic and chromium from chemically treated lumber

Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equip- ment, such as those dust masks that are specially designed to filter out microscopic particles. (California Health & Safety Code § 25249.5, et seq. )

Unpacking

When unpacking, check to make sure the parts listed on page 8 are included. If any parts are missing or broken, please call Harbor Freight Tools at the number on the cover of this manual as soon as possible

Operation

Floor	1/4”-18 NPT
Floor
Stapler

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

1.You will need to prepare a 1/4” air connector (sold separately) to connect to the air inlet on the Floor Stapler. First, wrap the 1/4” air connector (not included) with pipe thread seal tape before threading it into the Air Inlet (47). Connect the 3/8” ID Air Source Hose to the Air Inlet (47).

Note: If you are not using an automatic oiler system, before operation, add a few drops of Pneumatic Tool Oil to the airline connection. Add a few drops more after each hour of continual use.

2.Set the air pressure on your compressor to between 70-90 PSI. Do not exceed the maximum air pressure of 100 PSI.

3.Check the air connection for leaks. Disconnect from the air source.

SKU 90399

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

Page 4

90399 specifications

Harbor Freight Tools 90399 is a highly regarded tool known for its versatility and efficiency in various applications. Perfectly suited for DIY enthusiasts and professionals alike, this model boasts a range of features that make it a valuable addition to any tool collection.

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