Hitachi NT 65GB Technical Data And Service Manual page 24

(2) Troubleshooting and corrective action for general-purpose nailers
Problem Possible cause
1) <Nails>
Nails cannot • The magazine is not
be driven. loaded with specified
genuine nails.
• The magazine is loaded
with abnormal nails (e.g.,
bent nails, large or small
head nails, abnormal
collation).
• Clogging due to nails or
collating band.
• Collating band is deformed
or torn.
<Magazine>
• The magazine is abnormal
(deformed or damaged).
• Nail Feeder (A) [92] is
abnormal (deformed or
damaged).
• The Ribbon Spring [90] is
abnormal (deformed or
damaged).
• The Nail Rail [97] is
abnormal (deformed,
burrs, damaged or
fatigued).
• Adhesive fragments are
on the nail rail or it needs
oil.
• Foreign matter is found on
the guide face of Nail
Feeder (A) [92].
<Nose>
• The nail inlet groove of the
nose is abnormal
(deformed, burrs or
damaged).
• Adhesive fragments are in
the nail inlet groove.
Inspection method
• Check whether the
magazine is loaded
normally with the specified
nails.
• Check whether the nail
feeder operates smoothly
in the magazine.
• Check whether nails (one
strip) move smoothly in
the magazine.
• Check whether nails (one
strip) are fed smoothly into
the nail injection port of
the nose.
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Corrective action
• Use the specified nails.
• Remove any abnormal
nails and load the
magazine with normal
nails.
• Repair or replace the
defective part.
• Remove the adhesive
fragments and apply
grease (ATTOLUB No.2)
to the nail feeder, Ribbon
Spring [90] and nail rail.
• Repair or replace the
defective part.
• Remove the adhesive
fragments.