Hitachi N 3808AP Manuel D'instructions Et De Sécurité page 24

English
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 or
cap is driven.
Weak drive.
Slow to cycle
Drives too deep.
Skipping staples and caps.
Intermittent feed.
Staples jam.
Driven staple is bent.
Drives properly during normal
operation, but does not drive fully
at faster stapling speeds.
24
CHECK METHOD
Check for a jam.
Open the cap magazine cover.
Check to see that the Cap is loaded
properly.
Staple feeder damaged?
Ribbon spring weakened or damaged?
Cap spring weakened or damaged?
Check for proper staples and caps.
Check air pressure.
Check position of stapling depth adjuster Readjust per page 20.
———
Driver blade worn?
Piston O-ring worn or damaged?
Feed piston worn or damaged?
Check air pressure.
Check position of stapling depth adjuster Readjust per page 20.
Check for proper staples and caps.
Check to see that the Cap is loaded
properly.
Staple feeder damaged?
Check for proper feed piston.
Ribbon spring weakened or damaged?
Cap spring weakened or damaged?
Piston O-ring worn or damaged?
Check for proper staples.
Driven blade worn?
Staple feeder damaged?
Check inside diameter of air hose.
CORRECTION
Clean jam per page 22.
Re-load the Cap properly.
Replace staple feeder.
Replace ribbon spring.
Replace cap spring.
Use only recommended staples and
caps.
Increase air pressure.
(Do not exceed 120 psi (8.3 bar
8.5 kgf/cm )
2
Use Hitachi pneumatic tool lubricant.
Contact Hitachi for replacement.
Reduce air pressure.
(Adjust 70 – 120 psi)
Use only recommended staples and
caps.
Re-load the Cap properly.
Replace staple feeder.
Replace spring or O-ring.
Replace ribbon spring.
Replace cap spring.
Contact Hitachi for replacement.
Use only recommended staples.
Contact Hitachi for replacement.
Replace staple feeder.
Use larger air hose.