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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 driven.

Open nail guide. Check for a jam.

Clear a jam per page 17.

 

 

 

 

Check function of feeder per

Clean and lubricate.

 

page 17.

 

 

 

 

 

Check for proper nails.

Use only recommended nails.

 

 

 

Weak drive.

Check air pressure.

Increase air pressure. (Do not

Slow to cycle.

 

exceed 120 psi (8.3 bar 8.5 kgf/cm2))

 

Check position of adjuster per page 16.

Readjust.

 

 

 

 

———

Use Hitachi pneumatic tool lubricant.

 

 

 

 

Driver blade worn?

Contact Hitachi for replacement.

 

 

 

Piston O-ring worn or damaged?

 

 

Drives too deep.

Check air pressure.

Reduce air pressure.

 

 

(Adjust 70 – 120 psi

 

 

(4.9 – 8.3 bar 5 – 8.5 kgf/cm2))

 

Check position of adjuster per page 16.

Readjust.

Skipping nails. Intermittent feed.

Check for proper nails.

Use only recommended nails.

 

 

 

 

Check function of nail feeder per

Clean and lubricate.

 

page 17.

 

 

 

 

 

———

Use Hitachi pneumatic tool lubricant.

 

 

 

 

Check position of nail holder in

Adjust nail holder to proper position.

 

magazine per page 12 or 13.

 

 

 

 

 

Piston O-ring cut or heavily worn?

Contact Hitachi for replacement.

 

 

 

Nails jam.

Check for proper nails.

Use only recommended nails.

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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