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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. Inspecting the carbon brushes (Fig. 10).
The motor employs carbon brushes which are
consumable parts. Since an excessively worn carbon
brush could result in motor trouble, replace a carbon
brush with a new one when it becomes worn to
or near the "wear limit". In addition, always keep
carbon brushes clean and ensure that they slide
freely within the brush holders.
4. Replacing a carbon brush.
Disassemble the brush cap with a minus-head
screwdriver. The carbon brush can then be easily
removed.
5. 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.
6. Lubrication (Figs. 1 and 2)
Feed oil at the oiling points once a month for
extending machine service life (machine oil is
suitable for the machine).
Oiling point
䡬
Rotary part of shaft
䡬
Rotary part of vise
䡬
Slide way of vise (A)
䡬
Screw
䡬
Spring
7. Service parts list
A : Item No.
B : Code No.
C : No. Used
D : Remarks
CAUTION
Repair, modification and inspection of Hitachi Power
Tools must be carried out by a Hitachi Authorized
Service Center.
Especially laser device should be maintained by the
authorised agent by laser manufacturer.
Always assign the repair of laser device to Hitachi
Authorised 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 modified to incorporate the latest technological
advancements.
Accordingly, some parts (i.e. code numbers and/or
design) may be changed without prior notice.
GUARANTEE
We guarantee Hitachi Power Tools in accordance with
statutory/country specific regulation. This guarantee does
not cover defects or damage due to misuse, abuse, or
normal wear and tear. In case of complaint, please send
the Power Tool, undismantled, with the GUARANTEE
CERTIFICATE found at the end of this Handling
instruction, to a Hitachi Authorized Service Center.
NOTE
Due to HITACHI’s continuing program of research and
development the specifications herein are subject to
change without prior notice.
IMPORTANT
Correct connection of the plug
The wires of the main lead are coloured in accordance
with the following code:
Blue: -Neutral
Brown: -Live
As the colours of the wires in the main lead of this tool
may not correspond with the coloured markings
identifying the terminals in your plug proceed as follows:
The wire coloured blue must be connected to the terminal
marked with the letter N or coloured black. The wire
coloured brown must be connected to the terminal
marked with the letter L or coloured red. Neither code
must be connected to the earth terminal.
NOTE
This requirement is provided according to BRITISH
STANDARD 2769: 1984.
Therefore, the letter code and colour code may not
be applicable to other markets except The United
Kingdom.
Information concerning airborne noise and vibration
The measured values were determined according to
EN61029.
The typical A-weighted sound pressure level: 90 dB(A)
The typical A-weighted sound power level: 103 dB (A)
Wear ear protection.
The typical weighted root mean square acceleration value
does not exceed 2.5 m/s
2
.
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