Hitachi NP 35A Instruction And Safety Manual page 18

English
Maintenance chart
ACTION
Drain air line fi lter daily.
Keep lubricator fi lled.
Clean fi lter element — then
blow air through fi lter in
direction opposite to
normal fl ow.
Clean magazine and feeder
mechanism.
Keep push lever working
properly.
Lubricate the Nailer after
nailing.
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
Nailer operates, but no nail is
driven.
Weak drive.
Slow to cycle.
Drives too deep.
18
WHY
Prevent accumulation of
moisture and dirt.
Keep the Nailer lubricated.
Prevent clogging of fi lter with
dirt.
Prevent a jam.
Promote operator safety and
effi cient Nailer operation.
Extend the Nailer life.
Keep the Nailer operated
properly.
CHECK METHOD
Check for a jam.
Nailer feeder damaged?
Ribbon spring weakend or
damaged?
Check for proper nails.
Check air pressure.
Check position of nailing
depth adjuster.
———
Driver blade worn?
Piston O-ring worm or
damaged?
Check air pressure.
Check position of nailing
depth adjuster.
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 Nailer.
Open petcock on air
compressor tank.
CORRECTION
Clear a jam page 16.
Replace nail feeder.
Replace ribbon spring.
Use only recommended nails.
Increase air pressure.
(Do not exceed 100 psi (6.9
bar 7 kgf/cm ))
2
Readjust per page 13 – 14.
Use Hitachi pneumatic tool
lubricant.
Contact Hitachi for
replacement.
Reduce air pressure.
(Adjust 64 – 100 psi
(4.4 – 6.9 bar 4.5 – 7 kgf/cm
Readjust per page 13 – 14.
))
2