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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.
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 CORRECTION
Check for a jam. Clear a jam per page 17.
Check function of feeder per Clean and lubricate.
page 17.
Check for proper nails. Use only recommended nails.
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 ring worn or damaged?
Check air pressure. Reduce air pressure.
(Adjust 70 – 120 psi)
Check for proper nails. Use only recommended nails.
Check function of nail feeder per Clean and lubricate.
page 17.
——— Use Hitachi pneumatic tool lubricant.
Check position of plate or nail holder in Adjust plate or nail holder to proper
magazine per page 13. position.
Piston O-ring cut or heavily worn? Contact Hitachi for replacement.
Check for proper nails. Use only recommended nails.
Driver blade worn? Contact Hitachi for replacement.
Check inside diameter of air hose. Use larger air hose.
Weak drive.
Slow to cycle.
Drives too deep.
Skipping nails. Intermittent feed.
Drives properly during normal
operation, but does not drive fully
at faster nailing speeds.
Nails jam.
Driven nail is bent.