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1. Troubleshooting and Repair
Possible cause
Problem
( *: Most-common cause)
1)
<Nails>
Nails cannot
• Magazine is not loaded
be punched.
with specified genuine
nails.
• Magazine is loaded with
abnormal nails (e.g., bent
nails, too large or too
small nail heads,
abnormal collation).
• Nails or link pieces are
jammed.
• Link pieces are deformed
or broken.
<Punching section: Nose,
feeder, feed piston, etc.>
• Sliding resistance of the
feed piston is too high.
• Nail guide face of the nose
is abnormal (deformed,
burrs or damaged).
• Feed spring or feeder
spring is abnormal
(damaged or fatigued).
• Feeder is abnormal
(damaged or worn).
• Nails are not correctly
loaded in the groove of the
nose.
• Dust adheres to the feeder
sliding portion of the nose,
or lubrication is needed.
• Air pressure is too low.
*• Air passage is clogged
with broken pieces of
piston bumper, etc.
*• Feed piston chamber
contains foreign matter
such as broken pieces of
piston bumper, etc.
TROUBLESHOOTING GUIDE
• Check that the magazine
is correctly loaded with
specified nails.
• Remove the feed piston
and check the feed piston
sliding surface of the
nose.
• Check that the punching
section is not abnormal
(burrs, deformed,
damaged or worn).
• Check that nails are
correctly loaded in the
groove of the nose.
• Open the nail guide and
perform idle punching to
check the feeder's
operation.
-10-
Inspection method
Corrective action
• Use specified nails.
• Remove abnormal nails
and load the nailer with
proper nails.
• Apply grease to the sliding
surface.
• Polish the scratched
portion with sandpaper.
Replace the parts.
• Deburr the nail guide face.
• Correct the deformed part.
• Replace abnormal parts.
• Load nails in the correct
position in the nose.
• Remove dust and then
lubricate the sliding
surface.
• Adjust the air pressure to
12 to 23 bar (12 to 23
2
kgf/cm
, 170 to 320 psi).
• Remove foreign matter.
Replace the piston
bumper with new one.
• Body
Remove foreign
---
matter in the return
air chamber.
• Nose
Remove foreign
---
matter in the air
passage and feed
piston chamber.
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