Bedienungsanleitung Hitachi CM5SB (Seite 10 von 52) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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For thorough dressing, approximately 5 meters of

slightly accelerated cutting at a depth of 10mm in

a relative soft material which produces granular

cutting particles (such as a cement block or brick)

will restore the cutting effectiveness of the diamond

layer and will extend the service life of the diamond

wheel.

The diamond material is susceptible to high

temperatures and will begin to deteriorate at

approximately 600°C. Higher temperatures will cause

decomposition of the diamond material. Accordingly,

it is important to perform “dressing” as soon as

clogging or sparking occurs.

3. 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.

4. 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.

5. Inspecting the carbon brushes (Fig. 5)

The motor employs carbon brushes which are

consumable parts.

When they become worn to or near the “wear

limit”, it could result in motor trouble. When an

auto-stop carbon brush is equipped, the motor will

stop automatically.

At that time, replace both carbon brushes with new

ones which have the same carbon brush numbers

shown in the figure. In addition, always keep carbon

brushes clean and ensure that they slide freely within

the brush holders.

6. Replacing carbon brushes (Fig. 6)

(1) Loosen the D4 tapping screw retaining the tail cover

and remove the tail 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 form the brush holder.

(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.

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 an 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 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 mains lead are coloured in accordance

with the following code:

Blue: –Neutral

Brown: –Live

As the colours of the wires in the mains 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: 110 dB (A).

Measured A-weighted sound pressure level: 99 dB (A).

Uncertainty KpA: 3 dB (A).

Wear hearing protection.

Vibration total values (triax vector sum) determined

according to EN60745.

Vibration emission value

= 4.5 m/s

Uncertainty K = 1.5 m/s

01Eng_CM5SB_WE 1/22/13, 12:16 PM9

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