19
English
Maintenance chart
ACTION
WHY
HOW
Drain air line
fi
lter daily.
Prevent accumulation of moisture
and dirt.
Open manual petcock.
Keep lubricator
fi
lled.
Keep the Nailer lubricated.
Fill with Hitachi pneumatic tool
lubricant.
Clean
fi
lter element — then blow air
through
fi
lter in direction opposite to
normal
fl
ow.
Prevent clogging of
fi
lter with dirt.
Follow manufacturer’s instructions.
Clean magazine and feeder
mechanism.
Prevent a jam.
Blow clean daily.
Keep push lever working properly.
Promote operator safety and e
ffi
cient
Nailer operation.
Blow clean daily.
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. Check for a jam.
Clear a jam.
Check function of nail feeder per
page 17.
Clean and lubricate.
Ribbon spring weakend or damaged? Replace ribbon spring.
Check for proper nails.
Use only recommended nails.
Weak drive.
Slow to cycle.
Check air pressure.
Increase air pressure. (Do not exceed
120 psi (8.3 bar 8.5 kgf/cm
2
).)
———
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. Intermittent feed.
Check for proper nails.
Use only recommended nails.
Check function of nail feeder per
page 17.
Clean and lubricate.
Ribbon spring weakend or damaged? Replace ribbon spring.
———
Use Hitachi pneumatic tool lubricant.
Piston O-ring cut or heavily worn?
Contact Hitachi for replacement.
Nails jam.
Driven nail is bent.
Check for proper nails.
Use only recommended nails.
Driver blade worn?
Contact Hitachi for replacement.
Drives properly during normal
operation, but does not drive fully at
faster nailing speeds.
Check inside diameter of air hose.
Use larger air hose.
000Book̲NR83AA4̲US.indb 19
000Book̲NR83AA4̲US.indb 19
2013/04/23 15:04:14
2013/04/23 15:04:14
