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6. Cleaning of the battery installation compartment
After drilling concrete, if concrete dust has accumulated
on the terminals or the area where the battery slides
within the battery installation compartment, clean off the
accumulated concrete dust with a dry cloth before using
the tool. (Fig. 18)
Also, after cleaning, ensure that the battery can be
installed and removed smoothly from the tool.
CAUTION
Using the tool when the battery is covered with concrete
dust may lead to accidents such as the battery falling
during use.
Furthermore, such use may cause a malfunction or
contact failure between the battery and the terminals.
7. Storage
Store the power tool in a place in which the temperature
is less than 40°C and out of reach of children.
NOTE
Storing lithium-ion batteries.
Make sure the lithium-ion batteries have been fully
charged before storing them.
Prolonged storage (3 months or more) of batteries with
a low charge may result in performance deterioration,
signifi cantly reducing battery usage time or rendering
the batteries incapable of holding a charge.
However, signifi cantly reduced battery usage time may
be recovered by repeatedly charging and using the
batteries two to fi ve times.
If the battery usage time is extremely short despite
repeated charging and use, consider the batteries dead
and purchase new batteries.
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 HiKOKI Authorized Service Center.
1. Power tool
Symptom
Tool doesn't run
Tool suddenly stopped
Tool bits
-can't be attached
-fall off
Holes can't be smoothly
drilled.
Screw head slips or comes
loose.
Battery cannot be installed
Possible cause
No remaining battery power
Battery isn't securely attached.
Concrete dust has accumulated on
the terminals of the battery installation
compartment as well as on the battery
sliding grooves.
Tool was overburdened
Reactive force control was activated
The battery is overheated.
The shape of the attachment portion doesn't
match
The drill is worn
The drill is rotating in reverse
Bit number doesn't match with the screw
size
The bit is worn
Attempting to install a battery other than that
specifi ed for the tool.
CAUTION
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
Important notice on the batteries for the HiKOKI
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).
NOTE
Due to HiKOKI's continuing program of research and
development, the specifi cations herein are subject to
change without prior notice.
Charge the battery.
Push in the battery until a click is heard.
Clean off the accumulated concrete dust
with a dry cloth.
Get rid of the problem causing the
overburden.
Let the battery cool down.
For the SDS-plus shank type , use a bit with
a diameter that is within the designated
range.
Replace with a new drill.
Switch to forward rotation.
Install a suitable bit.
Replace with a new bit.
Please install a multi volt type battery.
14
Remedy
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