Mounting And Operation; Maintenance And Inspection - HIKOKI DV18DA Handling Instructions Manual

English
Regarding electric discharge in case of new batteries,
etc.
As the internal chemical substance of new batteries and
batteries that have not been used for an extended period
is not activated, the electric discharge might be low when
using them the fi rst and second time. This is a temporary
phenomenon, and normal time required for recharging
will be restored by recharging the batteries 2–3 times.
How to make the batteries perform longer.
(1) Recharge the batteries before they become completely
exhausted.
When you feel that the power of the tool becomes
weaker, stop using the tool and recharge its battery. If
you continue to use the tool and exhaust the electric
current, the battery may be damaged and its life will
become shorter.
(2) Avoid recharging at high temperatures.
A rechargeable battery will be hot immediately after
use. If such a battery is recharged immediately after
use, its internal chemical substance will deteriorate, and
the battery life will be shortened. Leave the battery and
recharge it after it has cooled for a while.
CAUTION
○ If the battery is charged while it is heated because it has
been left for a long time in a location subject to direct
sunlight or because the battery has just been used, the
pilot lamp of the charger lights for 1 second, does not
light for 0.5 seconds (off for 0.5 seconds). In such a case,
fi rst let the battery cool, then start charging.
○ When the pilot lamp fl ickers (at 0.2-second intervals),
check for and take out any foreign objects in the charger's
battery connector. If there are no foreign objects, it is
probable that the battery or charger is malfunctioning.
Take it to your authorized Service Center.
○ Since the built-in micro computer takes about 3
seconds to confi rm that the battery being charged with
charger is taken out, wait for a minimum of 3 seconds
before reinserting it to continue charging. If the battery
is reinserted within 3 seconds, the battery may not be
properly charged.
○ If the pilot lamp does not blink in red (every second)
even though the charger cord is connected to the power,
it indicates that the protection circuit of the charger may
be activated.
Remove the cord or plug from the power and then
connect it again after 5 minutes or so. If this does not
cause the pilot lamp to blink in red (every second),
please take the charger to the HiKOKI Authorized
Service Center.

MOUNTING AND OPERATION

Action
Removing and inserting the battery
Charging
Selecting the mode
Tightening torque adjustment
Selecting the drill position
Selecting the impact position
Change rotation speed
How to use the LED light
Mounting the bit
Reversing the rotational direction
Switch operation
Remaining battery indicator
Mounting and removing the hook
(sold separately)
Selecting accessories
LED LIGHT WARNING SIGNALS
This product features functions that are designed to protect
the tool itself as well as the battery. If any of the safeguard
functions are triggered during operation, the LED light will
blink as described in Table 3. When any of the safeguard
functions are triggered, immediately remove your fi nger
from the switch and follow the instructions described under
corrective action.
Safeguard LED Light
Function Display
Overload
On 0.25 second/
Protection
off 0.25 second
Low Voltage
Protection

MAINTENANCE AND INSPECTION

1. Inspecting the tool
Since use of as dull tool will degrade effi ciency and
cause possible motor malfunction, sharpen or replace
the tool as soon as abrasion is noted.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that
they are properly tightened. Should any of the screws be
loose, retighten them immediately. Failure to do so could
result in serious hazard.
3. Maintenance of the motor
The motor unit winding is the very "heart" of the power
tool. Exercise due care to ensure the winding does not
become damaged and/or wet with oil or water.
10
Figure
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Table 3
Corrective Action
If the operating with the
shift knob set on HIGH,
adjust to LOW and
continue operation.
Remove the cause of
the overload.
Recharge the battery.
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