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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.
CHECK METHOD
Open nail guide. Check for a jam
Check function of feeder per page 18. Clean and lubricate.
Check for proper nails.
Check air pressure.
Check position of adjuster per page
16.
———
Driver blade worn?
Piston O-ring worn or damaged?
Check air pressure.
Check position of adjuster per page
16.
Check for proper nails.
Check function of feeder per page 18. Clean and lubricate.
———
Check position of nail holder in
magazine per page 13.
Piston O-ring cut or heavily worn?
Check for proper nails.
Driver blade worn?
Check inside diameter of air hose.
CORRECTION
Clear a jam per page 18.
Use only recommended nails.
Increase air pressure. (Do not exceed
120 psi (8.3 bar 8.5 kgf/cm
Readjust
Use Hitachi pneumatic tool lubricant.
Contact Hitachi for replacement.
Reduce air pressure.
(Adjust 70 – 120 psi
(4.9 – 8.3 bar 5 – 8.5 kgf/cm2))
Readjust
Use only recommended nails.
Use Hitachi pneumatic tool lubricant.
Adjust nail holder to proper position.
Contact Hitachi for replacement.
Use only recommended nails.
Contact Hitachi for replacement.
Use larger air hose.
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