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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.
PROBLEM
Nailer operates, but no nail is
driven.
Weak drive.
Slow to cycle.
Drives too deep.
Skipping nails. Intermittent feed.
Nails jam.
Driven nail is bent.
Drives properly during normal
operation, but does not drive fully at
faster nailing speeds.
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.
CHECK METHOD
Check for a jam.
Check function of nail feeder per
page 16.
Ribbon spring weaked or damaged?
Check for proper nails.
Check air pressure.
———
Driver blade worn?
Piston O-ring worn or damaged?
Check air pressure.
Check for proper nails.
Check function of nail feeder per
page 16.
Ribbon spring weaked or damaged?
———
Piston O-ring cut or heavily worm?
Check for proper nails.
Driver blade worn?
Check inside diameter of air hose.
CORRECTION
Clear a jam.
Clean and lubricate.
Replace ribbon spring.
Use only recommended nails.
Increase air pressure. (Do not exceed
120 psi (8.3 bar 8.5 kgf/cm
2
))
Use Hitachi pneumatic tool lubricant.
Contact Hitachi for replacement.
Reduce air pressure.
(Adjust 70 – 120 psi)
Use only recommended nails.
Clean and lubricate.
Replace ribbon spring.
Use Hitachi pneumatic tool lubricant.
Contact Hitachi for replacement.
Use only recommended nails.
Contact Hitachi for replacement.
Use larger air hose