Hitachi NR 1890DR User Manual (English)

Other manuals for Hitachi NR 1890DR

Questions and Answers:

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Bruce PerezAug 21, 2025
Why is my Hitachi NR 1890DR Nail Gun not driving nails in all the way?
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  Jessica SalazarAug 21, 2025
  If your Hitachi Nail Gun is not driving nails completely into the workpiece, preventing the heads from being flush, several factors could be responsible. First, ensure that there is adequate compressed air and no leaks; supply compressed air and replace the sealing parts if necessary. Also, make sure the adjuster is set properly. Weak thrusting force against the wood, insufficient grease on the cylinder and piston, or using the nailer on hard wood can also cause this issue. Try following the nailer operation guide and replenishing grease. Other potential causes include a worn-out piston tip or rack, or a deformed output section, all of which may require replacing defective parts.
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shawn06Aug 25, 2025
What does it mean when the red LED is blinking on my Hitachi NR 1890DR?
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  tracymedinaAug 25, 2025
  If your Hitachi Nail Gun shows a red LED blinking and no nailing operation, this could be due to low battery voltage. Try charging or replacing the battery.
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mhaynesAug 28, 2025
Why is my Hitachi Nail Gun not working and there's no motor sound?
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  Kyle BlackburnAug 28, 2025
  If your Hitachi Nail Gun isn't operating and there's no motor rotation sound, it might be due to the dry-fire lockout mechanism being activated. Try loading nails. Also, wire-related trouble of wiring, switch cable (A), and sensor (B) can be the cause. Resolder the disconnected wires or replace defective parts.
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Trevor BakerAug 31, 2025
What does it mean when the two red LEDs are blinking on my Hitachi Nail Gun?
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  sgarciaAug 31, 2025
  If your Hitachi Nail Gun shows two red LEDs blinking and there's no nailing operation, the overheat or overcool protector might be activated. Try cooling or warming the nailer body and check the nailing work.
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paularamirezSep 3, 2025
Why are the nails bending when using my Hitachi NR 1890DR?
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  Jennifer MartinSep 4, 2025
  If your Hitachi Nail Gun is driving nails that are bending, it could be due to a few reasons. First, make sure you are using the specified nails and that they are correctly fed into the injection port, removing any abnormal nails. Also, avoid using the nailer on wood that is too hard. Other potential causes include a worn-out piston tip or blade rack, or a deformed output section, all of which may require replacing defective parts.
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michael58Sep 7, 2025
Why does my Hitachi NR 1890DR start nailing with a single trigger?
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  Alan StewartSep 7, 2025
  If your Hitachi Nail Gun starts nailing with a single trigger, it could be due to malfunction caused by unwanted objects near pushing lever (A), (B) or blade guide (A) or by deformation of the lever or blade guide. Clean the pushing lever and the blade guide, then apply oil to them. Also, broken or worn-out pushing lever spring (B) can be the cause. Replace defective parts.
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Ronald GonzalezSep 12, 2025
What does it mean when the orange LED is blinking on my Hitachi NR 1890DR Nail Gun?
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  Allison ClementsSep 12, 2025
  If your Hitachi Nail Gun shows an orange LED blinking and no nailing operation, it could be due to broken movable part that disabled nailing work, disconnected wiring and stator, power transmission failure due to broken gears, sensor (C) trouble, or excessively charged compressed air. Replace defective parts. If the issue is excessively charged compressed air, move the piston down to the bottom dead point, discharge the compressed air, and use the reduction valve set to feed compressed air again.

Hitachi NR 1890DR Specifications

General

Power Source	Battery
Battery Voltage	18V
Weight	10.8 lbs
Type	Cordless Framing Nailer
Depth Adjustment	Yes
No-Mar Tip	Yes
Tool-Free Jam Release	Yes
Nail Diameter	0.113 inch to 0.131 inch
Magazine Capacity	85 Nails
Firing Mode	Sequential
Fastener Type	Nails