Maintenance chart, Operator troubleshooting

Maintenance chart

ACTION	WHY	HOW

Drain air line filter daily.	Prevent accumulation of moisture	Open manual petcock.
	and dirt.

Keep lubricator filled.	Keep the Nailer lubricated.	Fill with Hitachi pneumatic tool
		lubricant.

Clean filter element — then blow	Prevent clogging of filter with dirt.	Follow manufacturer’s instructions.
air through filter in direction
opposite to normal flow.

Clean magazine and feeder	Prevent a jam.	Blow clean daily.
mechanism.

Keep push lever working properly.	Promote operator safety and	Blow clean daily.
	efficient Nailer operation.

Lubricate the Nailer after nailing.	Extend the Nailer life.	Supply 5 – 10 drops of lubricant
		into the Nailer.

Drain air compressor.	Keep the Nailer operated properly.	Open petcock on air compressor tank.

Operator troubleshooting

Most minor problems can be resolved quickly and easily using the table below.

If problems persist, contact a Hitachi authorized service center for assistance.

PROBLEM	CHECK METHOD	CORRECTION
Nailer operates, but no nail is	Check for a jam.	Clear a jam.
driven.
driven.	Check function of nail feeder per	Clean and lubricate.
	Check function of nail feeder per	Clean and lubricate.
	page 16.

	Ribbon spring weaked or damaged?	Replace ribbon spring.

	Check for proper nails.	Use only recommended nails.

Weak drive.	Check air pressure.	Increase air pressure. (Do not exceed
Slow to cycle.		120 psi (8.3 bar 8.5 kgf/cm2))
	———	Use Hitachi pneumatic tool lubricant.

	Driver blade worn?	Contact Hitachi for replacement.

	Piston O-ring worn or damaged?
	Piston O-ring worn or damaged?

Drives too deep.	Check air pressure.	Reduce air pressure.
		(Adjust 70 – 120 psi)

Skipping nails. Intermittent feed.	Check for proper nails.	Use only recommended nails.

	Check function of nail feeder per	Clean and lubricate.
	page 16.	Clean and lubricate.
	page 16.

	Ribbon spring weaked or damaged?	Replace ribbon spring.

	———	Use Hitachi pneumatic tool lubricant.

	Piston O-ring cut or heavily worm?	Contact Hitachi for replacement.

Nails jam.	Check for proper nails.	Use only recommended nails.
Driven nail is bent.
Driven nail is bent.	Driver blade worn?	Contact Hitachi for replacement.
Drives properly during normal	Check inside diameter of air hose.	Use larger air hose
operation, but does not drive fully at
faster nailing speeds.

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NV 65AF3 specifications

The Hitachi NV 65AF3 is a powerful, versatile tool designed for professionals in construction and woodworking, particularly in the framing and installation of materials. This pneumatic nailer is noteworthy for its combination of advanced technology and user-friendly features that enhance efficiency and productivity on the job site.

One of the stand-out features of the NV 65AF3 is its lightweight design. Weighing in at just under 4.4 pounds, the nailer allows for ease of handling over extended periods, reducing fatigue for users. This portability is complemented by its compact size, making it suitable for tight spaces where larger tools may prove cumbersome.

The NV 65AF3 utilizes a pneumatic power source, which means it requires an air compressor to operate. This not only provides a consistent power output but also allows the nailer to deliver impressive performance in terms of driving power. The tool is capable of driving nails ranging from 1-1/4 inches to 2-1/2 inches in length, making it suitable for applications such as framing, sheathing, and roofing.

Another key feature is its adjustable depth of drive. This functionality allows users to finely tune how deep the nails are driven into the material, ensuring precision and consistency in finishing work. The tool also includes a selective actuation switch that enables users to choose between sequential and contact firing modes. The sequential mode offers greater control, making it ideal for delicate tasks, while the contact mode allows for faster nailing in production environments.

A robust magazine holds up to 100 nails, enabling longer run times between reloads. The NV 65AF3’s rear exhaust directs air away from the user and work surface, keeping the workspace clean and safe.

Durability is another hallmark of the Hitachi NV 65AF3, with its rugged construction designed to withstand the rigors of job sites. The tool also features a rubber grip handle designed for comfort and stability during use.

In conclusion, the Hitachi NV 65AF3 is an exemplary pneumatic nailer, merging portability, power, and precision. Its user-centric design and durable build make it a reliable choice for contractors seeking a high-performance tool for a wide range of applications. Whether framing, roofing, or installing wood, the NV 65AF3 delivers the reliability and efficiency professionals demand.