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Maintenance chart
ACTION
Drain air line fi lter daily.
Keep lubricator fi lled.
Clean fi lter element and blow air
through fi lter in direction opposite to
normal fl ow daily.
Clean magazine and feeder
mechanism.
Keep push lever working properly.
Lubricate the Nailer after nailing.
Drain air compressor daily.
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 fi lter with dirt.
Prevent a jam.
Promote operator safety and effi cient
Nailer operation.
Extend the Nailer life.
Keep the Nailer operated properly.
CHECK METHOD
Check for a jam.
Check function of nail feeder per
page 19.
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 19.
Check position of nail holder in
magazine per page 14.
———
Piston O-ring cut or heavily worn?
Check for proper nails.
Driver blade worn?
Check inside diameter of air hose.
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.
Use only recommended nails.
Increase air pressure. (Do not exceed
120 psi (8.3 bar 8.5 kgf/cm
Use Hitachi pneumatic tool lubricant.
Contact Hitachi for replacement.
Reduce air pressure.
(Adjust 80 – 120 psi)
Use only recommended nails.
Clean and lubricate.
Adjust nail holder to proper position.
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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