English
— 23 —
Maintenance chart
ACTION WHY HOW
Drain air line filter daily. Prevent accumulation of Open manual petcock.
moisture and dirt.
Keep lubricator filled. Keep the Nailer lubricated. Fill with Hitachi pneumatic
tool lubricant.
Clean filter element — then Prevent clogging of filter Follow manufacturer’s
blow air through filter in with dirt. instructions.
direction opposite to
normal flow.
Clean magazine and feeder Prevent a jam. Blow clean daily.
mechanism.
Keep push lever working Promote operator safety and Blow clean daily.
properly. efficient Nailer operation.
Lubricate the Nailer after Extend the Nailer life. Supply 5 – 10 drops of
nailing. lubricant into the Nailer.
Drain air compressor. Keep the Nailer operated Open petcock on air
properly. compressor tank.
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 CHECK METHOD CORRECTION
Nailer operates, Open nail guide. Check for a Clear a jam per page 20.
but no nail is driven. jam.
Check function of feeder per Clean and lubricate.
page 20.
Check for proper nails. Use only recommended
nails.
Weak drive. Check air pressure. Increase air pressure. (Do not
Slow to cycle. exceed 120 psi (8.3 bars,
8.5 kgf/cm
2
))
Check position of adjuster per Readjust.
page 19.
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Use Hitachi pneumatic tool
lubricant.
Driver blade worn? Contact Hitachi for
Piston O – ring worn or
replacement.
damaged?
Drives too deep. Check air pressure. Reduce air pressure.
(Adjust 70 – 120 psi
(4.9 – 8.3 bar 5 – 8.5 kgf/cm
2
))
Check position of adjuster per Readjust.
page 19.
01Eng_NV45AB2_US 2/26/09, 11:4623
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