Bedienungsanleitung Hitachi WR22SE (Seite 4 von 100) (Alle Sprachen)

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3. The protection function

To protect the tool, the protection function will be

activated, automatically shutting down the unit in the

event of any problems. (Table 1)

Table 1

Cause of Shutdown

Automatic shutdown initiated by excessive load (*1)

Automatic shutdown initiated due to the tool’s internal

temperature exceeding the speciﬁ ed temperature level (*2)

*1 Excessive load protection function

For excessive load conditions, the tool will shutdown to

prevent damage.

Discontinue the heavy load task, unplug the power

supply cord from the electrical outlet and plug it back in

to reset.

*2 Increased temperature protection function

Automatic shutdown is activated to prevent damage

from high temperatures.

The tool’s internal temperature will increase for tasks

involving the use of large currents of electricity, or when

used in high temperature environments.

Please allow the tool to rest for 10 to 15 minutes before

continuing a task.

MAINTENANCE AND INSPECTION

1. Inspecting the socket

A worn or deformed hex or a square-holed socket will

not give an adequate tightness to the ﬁ tting between the

nut or anvil, consequently resulting in loss of tightening

torque. Pay attention to wear of socket holes periodically,

and replace with a new one if needed.

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. Replacing supply cord

If the replacement of the supply cord is necessary, this

has to be done by the manufacturer of this agent in order

to avoid 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:

106 dB (A) (WR22SE)

108 dB (A) (WR25SE)

Measured A-weighted sound pressure level:

95 dB (A) (WR22SE)

97 dB (A) (WR25SE)

Uncertainty K: 3 dB (A).

Wear hearing protection.

Vibration total values (triax vector sum) determined

according to EN60745.

Impact tightening of fasteners of the maximum capacitiy of

the tool:

Vibration emission value

= 15.2 m/s

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).

NOTE

Due to HITACHI’s continuing program of research and

development, the speciﬁ cations herein are subject to

change without prior notice.

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