Hitachi N3804AB3(S) Instruction And Safety Manual page 19

Maintenance chart
ACTION
Drain air line filter daily.
Keep lubricator filled.
Clean filter element — then blow air
through filter in direction opposite
to normal flow.
Clean magazine and feeder
mechanism.
Keep push lever working properly.
Lubricate the Stapler after
stapling.
Drain air compressor.
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.
WHY
Prevent accumulation of
moisture and dirt.
Keep the Stapler lubricated.
Prevent clogging of filter
with dirt.
Prevent a jam.
Promote operator safety and
efficient Stapler
operation.
Extend the Stapler life.
Keep the Stapler operated
properly.
CHECK METHOD
Check for a jam.
Staple feeder damaged?
Ribbon spring weakened or
damaged?
Check for proper staples.
Check air pressure.
Check position of stapling depth
adjuster
—
Driver blade worn?
Piston O-ring worn or damaged?
Check air pressure.
Check position of stapling
depth adjuster
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.
HOW
Open manual petcock.
Fill with Hitachi pneumatic tool
lubricant.
Follow manufacturer's
instructions.
Blow clean daily.
Blow clean daily.
Supply 5 – 10 drops of lubricant into
the Stapler.
Open petcock on air compressor
tank.
CORRECTION
Clean jam per page 17.
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 2 )
Readjust per page 16.
Use Hitachi pneumatic tool
lubricant.
Contact Hitachi for replacement.
Reduce air pressure.
(Adjust 70 – 120 psi)
Readjust per page 16.
Use only recommended staples.
Replace 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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