-13-
Problem
Possible cause
( *: Most-common cause)
Inspection method
Corrective action
*• Driver blade is worn.
• Perform idle punching to
check whether the driver
blade protrudes from the
nose tip.
• Replace the part.
*• Piston O-ring is abnormal
(worn or damaged).
• Cylinder inside surface is
abnormal (worn or rough).
• Disassemble the output
section and check the
piston O-ring and inside
the cylinder for
abnormality.
• Replace abnormal parts.
3)
Nails cannot
be
completely
punched
into the
workpiece:
the heads
cannot be
made flush.
(continued)
• Head valve sliding surface
is abnormal (seized or
damaged, or lubrication
needed).
• Check the sliding surface
for abnormality and
lubrication.
• Replace abnormal parts.
• Apply grease.
• Check whether the
specified nails are used.
• Check the nails as follows:
• Use specified nails.
• Remove abnormal nails
and load the nailer with
proper nails.
4)
Nails jam.
<Nails>
*• Unspecified nails are
used.
*• Abnormal nails are
mixed.
*• Nail heads are too large
or too small.
[Wire-collated nails]
• Collating wires are
abnormal (broken, failed
welding, deformed or
failure at welding
position).
*• Collating wires are
deformed (deformed in
collation angle or
collation pitch).
[Sheet-collated nails]
*• Collating sheets are
abnormal (deformed or
broken).
• Nails are removed from
the sheets.
[Wire-collated nails]
[Sheet-collated nails]
[Wire-collated nails]
[Sheet-collated nails]
Unit: mm (inch)
D
d
L
1
L
2
4.8 to 7.3
(0.189 to 0.287)
2.1 to 2.3
(0.083 to 0.131)
19
(0.748)
37.5
(1.476)
Unit: mm (inch)
D
d
5 to 7
(0.197 to 0.276)
2.2 to 2.8
(0.088 to 0.109)
