Troubleshooting - Hitachi Koki NR 1890DBCL Instrucciones De Manejo

○ Identify safety measures to protect the operator that are
based on an estimation of exposure in the actual conditions
of use (taking account of all parts of the operating cycle
such as the times when the tool is switched off and when
it is running idle in addition to the trigger time).
Maintenance chart
ACTION
Clean magazine and feeder
mechanism.
Keep push lever working
properly.

TROUBLESHOOTING

Use the inspections in the table below if the tool does not operate normally. If this does not remedy the problem, consult your
dealer or the Hitachi Authorized Service Center.
PROBLEM
Power switch doesn't turn on.
Turn on once, but turn off
automatically.
Nailer doesn't operate
(Power switch ON).
Nailer operates, but no nail is
driven.
Weak drive.
Slow to cycle.
Drives too deep.
Skipping nails.
Intermittent feed.
Nails jam.
Driven nail is bent.
WHY
Prevent a jam.
Promote operator safety and effi cient
Nailer operation.
CHECK METHOD
Low battery charge.
Damaged internal electronics.
Push lever and/or trigger is ON state ?
Keep no operation over 30 minutes ?
(Auto-power off function)
Nailer not enough pressed against
workpiece.
Trigger not enough pulled.
More than 2 seconds pass from push
lever ON to trigger ON (or trigger ON to
push lever ON).
Preventive mechanism activated.
(No nails, or too few fasteners remaining)
Lock lever (Trigger lock function) is "ON"
position.
Machine is too cold (below -5°C) or too
hot.
Damaged internal electronics.
Magazine is dirty.
Check for a jam.
Driver blade worn or damaged?
Ribbon spring weakened or damaged?
Nail feeder damaged?
Check for proper nails.
Check position of nailing depth adjustment
adjuster.
Driver blade worn?
Compressed air pressure has become
low.
Damaged internal electronics.
Check position of nailing depth adjustment
adjuster.
Check for proper nails.
Nail feeder damaged?
Ribbon spring weakened or damaged?
Driver blade worn or damaged?
Check for proper nails.
Driver blade worn or damaged?
21
NOTE
Due to HITACHI's continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
Blow clean daily.
Blow clean daily.
Charge the battery.
Contact Hitachi for replacement.
Keep push lever and trigger in OFF state.
Push and hold power switch more than 1
second to switch "ON"
Hold nailer fi rmly and press to the
workpiece completely.
Pull the trigger fi rmly.
Make sure that less than 2 seconds pass
between push lever ON and trigger ON (or
between trigger ON and push lever ON).
Reload the nails into magazine.
Set lock lever to "OFF" position. (Refer to
Fig. 7)
Allow the nailer to cool or warm-up
throughly in adequate condition.
Contact Hitachi for replacement.
Blow and wipe clean the magazine.
Clear a jam (refer to Fig. 21, 22).
Contact Hitachi for replacement.
Replace ribbon spring.
Replace nail feeder.
Use only recommended nails.
Readjust according to Fig. 16, 17.
Contact Hitachi for replacement.
Contact Hitachi for replacement.
Contact Hitachi for replacement.
Readjust according to Fig. 16, 17.
Use only recommended nails.
Replace nail feeder.
Replace ribbon spring.
Contact Hitachi for replacement.
Use only recommended nails.
Contact Hitachi for replacement.
English
HOW
CORRECTION