English
27
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
CORRECTION
Check for a jam.
Clear a jam page 24.
Nail feeder damaged?
Replace nail feeder.
Ribbon spring weakened
Replace ribbon spring.
or damaged?
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
))
Check position of nailing
Readjust per page 21.
depth adjuster.
—
—
—
—
—
Use Hitachi pneumatic tool
lubricant.
Driver blade worn?
Contact Hitachi for
Piston O-ring worm or
replacement.
damaged?
Check air pressure.
Reduce air pressure.
(Adjust 70 – 120 psi
(4.9 – 8.3bar 5 – 8.5 kgf/cm
2
))
Check position of nailing
Readjust per page 21.
depth adjustment guide
plate (A).
Check for proper nails.
Use only recommended
nails.
—
—
—
—
—
Lubricate the nail rail per
page 24.
Nail feeder damaged?
Replace nail feeder.
Ribbon spring weakened or
Replace ribbon spring.
damaged?
Piston O-ring worn or
Contact Hitachi for
damaged?
replacement.
Check for proper nails.
Use only recommended
nails.
—
—
—
—
—
Lubricate the nail rail per
page 24.
Driver blade worn?
Contact Hitachi for
replacement.
Check inside diameter of
Use larger air hose.
air hose.
