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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
Piston Ass’y does not
return to full up position
at end of cycle.
Weak drive.
Slow to cycle.
Skipping staples.
Intermittent feed.
Staples jam.
Drives properly during
normal operation, but does
not drive fully at faster
stapling speeds.
CHECK METHOD CORRECTION
Check air pressure. Adjust at 70—120psi.
(4.9—8.3bar 5—8.5kgf/cm
2
)
Piston O-ring cut or Contact Hitachi for
heavily worn? replacement.
Driver blade bent or
damaged at the driving
end?
Air exhaust clogged with Clean air exhaust.
dirt or sludged lubricant?
———
Use Hitachi pneumatic tool
lubricant.
Check air pressure. Increase air pressure.
(Do not exceed 120 psi
(8.3 bar 8.5 kgf/cm
2
))
Driver blade worn at the tip?
Piston O-ring worm or Contact Hitachi for
damaged? replacement.
———
Use Hitachi pneumatic tool
lubricant.
———
Use Hitachi pneumatic tool
lubricant.
Staple feeder damaged? Replace staple feeder.
Ribbon spring weakend or Replace ribbon spring.
damaged?
Staple guide obstructed Clean staple guide.
by dirt?
Check for proper staples. Use only recommended
staples.
Driver blade damaged Contact Hitachi for
at the driving end? replacement.
Check inside diameter of Use larger air hose.
air hose.