Service And Repairs - Hitachi NR 1890DC Instruction And Safety Manual

English
Important notice on the batteries for the Hitachi
cordless power tools
Please always use one of our designated genuine
batteries. We cannot guarantee the safety and
performance of our cordless power tool when used
with batteries other than these designated by us, or
when the battery is disassembled and modifi ed (such
as disassembly and replacement of cells or other
internal parts).
Maintenance chart
ACTION
Clean magazine and feeder
mechanism.
Keep push lever working properly.
Operator troubleshooting
Most minor problems can be resolved quickly and easily using the table below.
If problems persist, contact a Hitachi authorized service center for assistance.
PROBLEM
Power switch doesn't turn on.
Turn on once, but turn off
automatically.
Nailer doesn't operate
(Power switch ON).
28

SERVICE AND REPAIRS

All quality Nailers will eventually require servicing or
replacement of parts because of wear from normal use.
NOTE
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 push lever and trigger in OFF
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 23°F
(-5°C)) or too hot.
Damaged internal electronics.
WARNING
● Only service personnel trained by Hitachi,
distributor or employer shall repair the Nailer.
● Use only parts supplied or recommended by
Hitachi for repair.
Specifi cations are subject to change without any
obligation on the part of Hitachi.
Blow clean daily.
Blow clean daily.
Charge the battery.
Contact Hitachi for inspection.
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 page 19 – 20)
Allow the nailer to cool or warm-up
throughly in adequate condition.
Contact Hitachi for inspection.
HOW
CORRECTION