Bedienungsanleitung Hitachi DH 40 MRY (Seite 12 von 60) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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English

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. 22)

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.

5. Replacing carbon brushes

Loosen the two set screws and remove the tail

cover. Remove the brush caps and carbon brushes.

After replacing the carbon brushes, tighten the brush

caps securely and install the tail cover with securely

tightening two set screws.

6. Service parts list

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 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 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 core must be connected to the each 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 KpA: 3 dB (A).

Wear ear protection.

Vibration total values (triax vector sum) determined

according to EN60745.

Hammer drilling into concrete:

Vibration emission value

ah, HD = 8.3 m/s

Uncertainty K = 1.5 m/s

Equivalent chiselling value:

Vibration emission value

ah, Cheq = 4.6 m/s

Uncertainty K = 1.5 m/s

WARNING

⅜ The vibration emission value during actual use of

the power tool can differ from the declared value

depending on the ways in which the tool is used.

⅜ To identify the 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).

01Eng_DH40MRY_WE 08/7/31, 10:1311

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