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Hitachi NR 83AA4 Manuel D’Utilisation

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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 effi  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.
000Book_NR83AA4_US.indb   19
000Book_NR83AA4_US.indb   19
2013/04/23   15:04:14
2013/04/23   15:04:14