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Maintenance And Inspection - Hitachi Koki CR 13VBY Instrucciones De Manejo

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Table 3: Curved blade
Blade
No.
For cutting steel and stainless pipes
No. 341
less than 60 mm in outer diameter
3. Selection of blades for other materials
Table 4
Material to
Material
be cut
quality
Iron plate
Mild steel
plate
Nonferrous
Aluminium,
metal
Copper and
Brass
Synthetic
Phenol resin,
resin
Melamine
resin, etc.
Vinyl chloride,
Acrylic resin,
etc.

MAINTENANCE AND INSPECTION

1. Inspecting the blade
Continued use of a dull or damaged blade will result in
reduced cutting effi ciency and may cause overloading of
the motor. Replace the blade with a new one as soon as
excessive 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.
4. Inspecting the carbon brushes (Fig. 12)
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.
5. Replacing carbon brushes (Fig. 12)
Disassemble the brush caps with a slotted-head
screwdriver. The carbon brushes can then be easily
removed.
Thickness
Uses
2.5 – 6
Thickness
Blade No.
(mm)
No. 1, 2, 101,
102, 103, 104,
2.5 – 19
105, 106, 131,
132
No. 3, 107,
Below 3.5
108
No. 1, 2, 101,
102, 103, 104,
5 – 20
105, 106, 131
132
No. 3, 107,
Below 5
108
No. 1, 2, 4,
10 – 50
101, 102, 103,
104, 131, 132
No. 3, 5, 8,
5 – 30
105, 106, 107,
108
No. 1, 2, 4,
10 – 60
101, 102, 103,
104, 131, 132
No. 3, 5, 8,
5 – 30
105, 106, 107,
108
6. Replacing supply cord
If the replacement of the supply cord is necessary, it has
to be done by Hitachi Authorized Service Center to avoid
(mm)
a safety hazard.
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
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.
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 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: 104 dB (A)
Measured A-weighted sound pressure level: 93 dB (A)
Uncertainty K: 3 dB (A).
Wear hearing protection.
Vibration total values (triax vector sum) determined
according to EN60745.
Cutting board:
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.
6
a
h, B = 11.5 m/s
2
2

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