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Inspection locations CAUTION
Cable
Failure to perform inspection could result in fire or electric shock.
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Check if cables are damaged and if found, stop using the tool.
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Do not store the cord by wrapping it around the main unit. If it is stored with the cable wrapped
around the main unit, immediately change the storage method.
Power plug
Failure to perform inspection could result in fire or electric shock.
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Check for damage on the power plug. If damaged, stop using it.
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Check if the power plug has dust or metallic material adhering to it. If attached, disconnect the
power plug and use a dry cloth to remove it.
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Check that the power plug is property inserted into the outlet all the way to the base.
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Check for play in the power plug and outlet.
Bit
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Check for wear or damage on the bit end. Using the tool as is, the screw head could be damaged
or torque may not be transmitted. Replace with a new bit.
Main unit
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Check for damage, cracks or breaks on the main unit.
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Check the screws on the main unit (including accessory Pistol Grip). If screws are loose, tighten
them.
Output torque
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Use a combination of Nitto Kohki's measuring devices to measure the output torque.
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If the output torque value has decreased, turn the torque adjustment ring to adjust the torque.
Screw fastening
time
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Use the screw fastening time measurement function to check if the screw fastening time has not
changed.
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The speed is a standard. It changes by the temperature of the tool, mechanical loss, and grease
conditions.
Care
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If the main unit is stained, use a cloth soaked in soapy water and wrung out well to wipe off the
stain. The tool does not have a waterproof structure and if water enters inside, it could fail.
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Because the main unit uses plastic, the following chemicals cannot be used.
Acetone, benzine, thinner, ketone, ether, trichlorethylene and other similar chemicals
Disposal
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Separate power tools, accessories, and packing materials for environmentally-friendly recycling.
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Do not dispose of the power tool as household garbage.
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When disposing of electric tools, give them to Nitto Kohki or your dealer.
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Within the EU region, Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC is
rolled out in domestic laws and it is prescribed to separately collect power tools, which are recycled and
reused.
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