8. Service parts list
CAUTION
Repair,
modi
fi
cation and inspection of Hitachi
Power Tools must be carried out by a Hitachi
Authorized Service Center.
This Parts List will be helpful if presented with
the tool to the Hitachi Authorized Service Center
when requesting repair or other maintenance. In
the operation and maintenance of power tools,
the safety regulations and standards prescribed
in each country must be observed.
MODIFICATIONS:
Hitachi Power Tools are constantly being improved
and modi
fi
ed to incorporate the latest technological
advancements.
Accordingly, some parts may be changed without
prior notice.
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 modi
fi
ed (such
as disassembly and replacement of cells or other
internal parts).
TROUBLESHOOTING GUIDE
WARNING
●
To avoid injury from an accidental start, turn the switch OFF and remove the plug from the power source
or remove the battery from the main body before making any adjustments.
●
All electrical or mechanical repairs should be done only by quali
fi
ed service technicians. Contact Hitachi
Authorized Service Center.
Problem
Possible Cause
Possible Solution
Tool doesn’t run
No remaining battery power
Charge the battery.
The trigger switch was held down while
the battery was inserted.
The safety function was activated.
If the trigger switch is released once and
then pulled again, the tool will run.
Tool suddenly stopped
Tool was overburdened
Get rid of the problem causing the
overburden.
The battery is overheated.
Let the battery cool down.
The trigger switch was held down for 5
minutes or more.
This is not a malfunction.
The motor was automatically stopped to
prevent failure of the tool.
Tool bits
-
can’t be attached
-
fall o
ff
The shape of the attachment portion
doesn’t match
Use a bit with a hexagonal shaft that has a
width across
fl
ats of 6.35 mm.
If you are using an L
-
type tool bit, replace it
with an S
-
type bit.
Switch can’t be pulled
Forward/reverse selector button is
positioned halfway
Press the button
fi
rmly into position for the
desired direction of rotation.
An abnormal high
-
pitched
noise occurs when the
trigger switch is pulled.
The trigger switch is being pulled only
slightly.
This is not a malfunction.
It does not occur if the trigger switch is
pulled more fully.
Screw head slips or comes
loose.
Bit number doesn’t match with the screw
size
Install a suitable bit.
The bit is worn
Replace with a new bit.
17
English
0000WH18DBFL2.indb 17
0000WH18DBFL2.indb 17
2017/08/22 12:10:31
2017/08/22 12:10:31
