How to Troubleshoot a Hitachi Nail Gun

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Things You'll Need

  • New driver blade (optional)

  • New, large capacity air hose (optional)

Hitachi nail guns are top notch tools, but situations arise that create the need for troubleshooting the tool. Most troubleshooting situations are not difficult to overcome. If new parts are needed to fix the nail gun, however, the tool will be out of commission until the parts arrive and are installed. It is a good idea, if you use a Hitachi nail gun on a daily basis, to call Hitachi directly to find out which parts need to be replaced the most often so you can order them and have them on hand when a repair is required.


Step 1

Disconnect the air hose before any steps are taken to troubleshoot the nailer to ensure your safety.

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Step 2

Reduce the air pressure on the air compressor to between 70 and 120 psi (pounds per square inch) if the nails are driven too deep into the material.

Step 3

Check for a jammed nail in the shooting area if the nailer operates but does not shoot nails. Be sure that the correct nails are used with the nailer.

Step 4

Replace the driver blade if the driven nail is bent or if the nailer cycles slowly or weakly. Order replacement parts directly from Hitachi.


Step 5

Replace the air hose to a hose with a larger inside diameter (larger air delivery capacity) if the nailer operates properly but does not drive nails completely when multiple nails are driven quickly. Air hoses are readily available at home improvement stores.


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