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Maintenance chart
ACTION
Drain air line filter daily.
Keep lubricator filled.
Clean filter element — then blow
air through filter in direction
opposite to normal flow.
Clean magazine and feeder
mechanism.
Keep push lever working properly.
Lubricate the Nailer after nailing.
Drain air compressor.
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
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.
WHY
Prevent accumulation of moisture
and dirt.
Keep the Nailer lubricated.
Prevent clogging of filter with dirt.
Prevent a jam.
Promote operator safety and
efficient Nailer operation.
Extend the Nailer life.
Keep the Nailer operated properly.
CHECK METHOD
Check for a jam.
Check function of nail feeder per
page 16.
Ribbon spring weakend or damaged?
Check for proper nails.
Check air pressure.
———
Driver blade worn?
Piston ring worn or damaged?
Check air pressure.
Check for proper nails.
Check function of nail feeder per
page 16.
Ribbon spring weakend or damaged?
———
Piston ring cut or heavily worn?
Check for proper nails.
Driver blade worn?
Check inside diameter of air hose.
— 17 —
HOW
Open manual petcock.
Fill with Hitachi pneumatic tool
lubricant.
Follow manufacturer's instructions.
Blow clean daily.
Blow clean daily.
Supply 5 – 10 drops of lubricant
into the Nailer.
Open petcock on air compressor tank.
CORRECTION
Clear a jam.
Clean and lubricate.
Replace ribbon spring.
Use only recommended nails.
Increase air pressure. (Do not
exceed 120 psi (8.3 bars, 8.5 kgf/cm
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.
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