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Hitachi G 18ST Mode D'emploi page 6

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  • FRANÇAIS, page 15
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MOUNTING AND OPERATION
Action
Fitting and adjusting the wheel guard
Fixing the side handle
Assembling depressed center wheel
Assembling cutting wheel
Switch operation*
Switch operation (without Lock-on)*
Grinding angle and grinding method
Selecting accessories
* Subject to change depending on area.
MAINTENANCE AND INSPECTION
1. Inspecting the depressed center wheel
Ensure that the depressed center wheel is free of cracks
and surface defects.
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. 7)
The motor employs carbon brushes which are
consumable parts. Since an excessively worn carbon
brush can result in motor trouble, replace the carbon
brushes with new ones having the same carbon brush
No. ⓑ shown in the fi gure when it becomes worn to or
near the "wear limit" ⓐ. In addition, always keep carbon
brushes clean and ensue that they slide freely within the
brush holders.
4. Replacing carbon brushes (Fig. 7)
〈Disassembly〉
(1) Loosen the D4 tapping screw ⓒ retaining the brush
cover ⓓ and remove the brush cover.
(2) Use the auxiliary hexagonal wrench or small screwdriver
to pull up the edge of the spring ⓔ that is holding down
the carbon brush. Remove the edge of the spring toward
the outside of the brush holder ⓕ.
(3) Remove the end of the pig-tail ⓖ on the carbon brush
ⓗ from the terminal section of brush holder and then
remove the carbon brush from the brush holder.
〈Assembly〉
(1) Insert the end of the pig-tail of the carbon brush in the
terminal section of brush holder.
(2) Insert the carbon brush in the brush holder.
(3) Use the auxiliary hexagonal wrench or small screwdriver to
return the edge of the spring to the head of the carbon brush.
(4) Mount the tail cover and tighten the D4 tapping screw.
5. Replacing supply cord
If the replacement of the supply cord is necessary, it has
to be done by Hitachi Authorized Service Center to avoid
a safety hazard.
6. 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.
CAUTION
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
GUARANTEE
We guarantee Hitachi Power Tools in accordance with
statutory/country specifi c regulation. This guarantee does
Figure
Page
not cover defects or damage due to misuse, abuse, or
1
147
normal wear and tear. In case of complaint, please send
the Power Tool, undismantled, with the GUARANTEE
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147
CERTIFICATE found at the end of this Handling instruction,
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147
to a Hitachi Authorized Service Center.
4
147
5-a
148
IMPORTANT
5-b
148
Correct connection of the plug
6
148
The wires of the main lead are coloured in accordance
150
with the following code:
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 core 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
EN60745 and declared in accordance with ISO 4871.
Measured A-weighted sound power level: 98 dB (A).
Measured A-weighted sound pressure level: 87 dB (A).
Uncertainty K: 3 dB (A).
Wear hearing protection.
Vibration total values (triax vector sum) determined
according to EN60745.
Surface grinding:
Vibration emission value
Uncertainty K = 1.5 m/s
The declared vibration total value has been measured in
accordance with a standard test method and may be used
for comparing one tool with another.
It may also be used in a preliminary assessment of exposure.
WARNING
○ The vibration emission during actual use of the power
tool can diff er from the declared total value depending in
the ways in which the tool is used.
○ Identify safety measures to protect the operator that
are based on an estimation of exposure in the actual
conditions of use (taking account of all parts of the
operating cycle such as the times when the tool is
switched off and when it is running idle in addition to the
trigger time).
6
Blue: — Neutral
Brown: — Live
a
h , AG = 6.3 m/s
2
2

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