Troubleshooting Guide; Troubleshooting And Correction - Hitachi NR 90AE Technical Data And Service Manual

9. TROUBLESHOOTING GUIDE

9-1. Troubleshooting and Correction

Problem
1) Nails cannot
<Nails>
be driven.
Magazine is not loaded with
specified genuine nails.
Magazine is loaded with
abnormal nails (bent nails,
large or small clipped-head
nails, abnormal collation,
etc.).
Nail or collating band clogs.
Collating band is deformed
or torn.
< Magazine >
Magazine is abnormal
(deformed or damaged).
Nail feeder is abnormal
(deformed or damaged).
Ribbon spring is abnormal
(deformed or damaged).
Nail rail is abnormal
(deformed, burrs, damaged
or fatigued).
Adhesive fragments are on
the nail rail or they need oil.
Foreign matter is found on
the guide face of the nail
feeder.
<Nose>
Nail inlet groove of the nose
is abnormal (deformed,
burrs or damaged).
Adhesive fragments are in
the nail inlet groove.
Possible cause Inspection method
Check if the magazine is
normally loaded with
specified nails.
Check if the nail feeder
operates smoothly in the
magazine.
Check if nails (one strip)
move smoothly in the
magazine.
Check if nails (one strip) are
fed smoothly into the nail
injection port of the nose.
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Remedy
Use specified nails.
Remove the abnormal nails
and load the magazine with
normal nails.
Repair or replace the
defective part.
Remove the adhesive
fragments and apply oil to
the nail feeder, ribbon spring
and the nail rail.
Repair or replace the
defective part.
Remove the adhesive
fragments.