Hitachi N 3804AB2 Instruction And Safety Manual page 25

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
Stapler operates but no
staple is driven.
Weak drive.
Slow to cycle.
Drives too deep.
Skipping staples.
Intermittent feed.
Staples jam.
Driven staple is bent.
Drives properly during
normal operation, but
does not drive fully at
faster stapling speeds.
CHECK METHOD
Check for a jam.
Staple feeder damaged?
Ribbon spring weakened or
damaged?
Check for proper staples.
Check air pressure.
—
Driver blade worn?
Piston O-ring worn or
damaged?
Check air presure.
Check for proper staples.
Staple feeder damaged?
Ribbon spring weakened or
damaged?
Piston O-ring worn or
damaged?
Check for proper staples.
Driven blade worn?
Check inside diameter of
air hose.
CORRECTION
Clean jam per page 22.
Replace staple feeder.
Replace ribbon spring.
Use only recommended
staples.
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 70 – 120 psi)
Use only recommended
staples.
Repalce staple feeder.
Replace ribbon spring.
Contact Hitachi for
replacement.
Use only recommended
staples.
Contact Hitachi for
replacement.
Use larger air hose.
English
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