English

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,

Check for a jam.

Clear a jam.

but no nail is driven.

 

 

Check function of nail feeder

Clean and lubricate.

 

 

per page 19.

 

 

 

 

 

Ribbon spring weakened or

Replace ribbon spring.

 

damaged?

 

 

 

 

 

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 bars,

 

 

8.5 kgf/cm2))

 

––––––––––

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)

 

 

 

Skipping nails.

Check for proper nails.

Use only recommended nails.

Intermittent feed.

 

 

Check function of nail feeder

Clean and lubricate.

 

 

per page 19.

 

 

 

 

 

Ribbon spring weakened or

Replace ribbon spring.

 

damaged?

 

 

 

 

 

––––––––––

Use Hitachi pneumatic tool

 

lubricant.

 

 

 

 

 

 

Piston O – ring cut or heavily

Contact Hitachi for

 

worn?

replacement.

 

 

 

 

Nail feeder (A) worn or

Replace nail feeder (A).

 

damaged?

 

 

 

 

Nails jam.

Check for proper nails.

Use only recommended nails.

Driven nail is bent.

 

 

Driver blade worn?

Contact Hitachi for

 

 

 

replacement.

 

 

 

 

Nail feeder (A) worn or

Replace nail feeder (A).

 

damaged?

 

 

 

 

Drives properly during

Check inside diameter of air

Use larger air hose.

normal operation,

hose.

 

but does not drive fully

 

 

at faster nailing speeds.

 

 

 

 

 

21