Harbor Freight Tools 46240-B Testing the Full Sequential Safety Trip Mechanism

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Testing the Full Sequential Safety Trip Mechanism

Warning: Even though the nailer should be empty during this procedure, ALWAYS point the nailer at a piece of scrap wood when testing.

1.Make sure the tool is disconnected from the power supply.

2.Completely empty the Magazine (56) of nails.

3.The Nailer should not fire if the Safety (28) is not depressed against the workpiece.

4.Make sure the Trigger (31) and Safety (28) move freely, without sticking.

5.Connect the air supply to the tool at the Air Plug (41). Set the regulator at the recom- mended 60 to 125 PSI.

6.Test the tool by depressing the Safety (28) against the workpiece without pulling the Trigger (31). The Tool must not cycle (fire). If it cycles (fires), stop immediately and have it repaired by a qualified service technician.

7.Hold the tool away or off of the workpiece. The Safety (28) of the tool should return to its original position. Point the nailer in a safe direction, towards the scrap wood and squeeze the Trigger (31). The tool should not cycle (fire). If the tool fires, stop imme- diately and have it repaired by a qualified service technician.

8.Depress the Safety (28) against the workpiece and squeeze the Trigger (31). The tool must cycle (fire) only once. Release the Trigger and squeeze it again. The tool must not cycle (fire). With the Trigger held, carefully lift the nailer and press it against the workpiece again. The tool must not cycle (fire). If it fails to perform in the manner explained in bold, have it repaired by a qualified service technician.

Use the Correct Type of Nails

This nailer uses only “clipped-head” nails, which are collated at an angle of 28°. “Round Head” nails, collated at 22°, are not to be used in this tool, as they will not feed reliably, and may cause premature wear of the driver assembly.

Harbor Freight tools offers a variety of compatible fasteners, which are usually collated in strips of 25. Nails from other manufacturers are also widely available from home centers and building supply stores. Please note that some manufacturers offer fasteners packaged for their brand of air nailers, and their nail strips may be longer than the loading slot in this tool.

REV 11/06

SKU 46240-B

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

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Contents AIR Framing Nailer Read all instructions before using this tool SpecificationsSafety Warnings and Precautions Save This ManualFor technical questions, please call REV 11/06 Set Up UnpackingTesting the Full Sequential Safety Trip Mechanism Use the Correct Type of NailsAlways Wear Eye Protection When Using the Air Nailer Photo Operating the NailerFor technical questions, please call Problem Probable Cause Solution MaintenanceTroubleshooting Parts List Part DescriptionAssembly Diagram