English
MOUNTING AND OPERATION
Action
Confi rm the direction of bit rotation
Adjusting the tightening depth
Tightening depth for hex head
screws
Tightening depth for drywall
screws
Tightening depth for cross-
recessed self drilling screws
Dismounting the hex-socket
Dismounting the bit
Dismounting the bit
Switch operation
Locking-on the On / Off switch
Releasing the On / Off switch
MAINTENANCE AND INSPECTION
1. Inspecting the hex-socket (or bit)
Since continued use of a worn hex-socket (bit) will
damage screw heads, replace the hexsocket (bit) with a
new one as soon as excessive wear is noticed.
SELECTING ACCESSORIES
For detailed information regarding each accessories, contact a Hitachi authorized service center.
○ For hex-head screws
Magnetic type
H = 6.35 mm
H = 7.94 mm
H = 9.53 mm
H = 10 mm
Figure
1
2
3
4
5
6
7
8
9
10
11
Hex-socket
Non magnetic type
H = 6.35 mm
H = 7.94 mm
H = 9.53 mm
H = 10 mm
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that
they are properly tightened. Should any of the screws be
Page
loose, retighten them immediately. Failure to do so could
result in serious hazard.
121
3. Maintenance of the motor
121
The motor unit winding is the very "heart" of the power
tool.
121
Exercise due care to ensure the winding does not
become damaged and/or wet with oil or water.
4. Inspecting the carbon brushes
121
For your continued safety and electrical shock protection,
carbon brush inspection and replacement on this tool
122
should ONLY be performed by a Hitachi Authorized
Service Center.
122
5. Service and repairs
122
All quality power tools will eventually require servicing or
replacement of parts because of wear from normal use.
122
To assure that only authorized replacement parts will be
122
used, all service and repairs must be performed by a
Hitachi Authorized Service Center, ONLY.
122
CAUTION
122
○ Be sure to follow the above assembly procedures
exactly. Should be internal wiring contact the armature
or become pinched between the handle cover and
housing, a serious risk of electric shock to the operator
would be created.
○ Do not tamper with parts other than those necessary to
eff ect carbon brush replacement.
CAUTION
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
4
Sub-Stopper (B)
H 1/4
H 5/16
H 3/8