Bedienungsanleitung Hitachi g 23 ub 2 (Seite 25 von 37) (Englisch, Dänisch, Schwedisch, Norwegisch, Finnisch)

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4. Replacing carbon brushes (Fig. 5):

(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.

(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 brush cover and tighten the D4 tapping

screw.

5. 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.

6. 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.

NOTE

Due to HITACHI’s continuing program of research and

development, the specifications herein are subject to

change without prior notice.

Information concerning airborne noise and vibration

The measured values were determined according to

EN 60745 and declared in accordance with ISO 4871.

G18 series

Measured A-weighted sound power level: 106 dB(A)

Measured A-weighted sound pressure level: 95 dB(A)

Uncertainty KpA: 3 dB(A)

G23 series

Measured A-weighted sound power level: 101 dB(A)

Measured A-weighted sound pressure level: 90 dB(A)

Uncertainty KpA: 3 dB(A)

Wear ear protection.

The typical weighted root mean square acceleration

value: 4.5 m/s

ⅷ Information about power supply system of nominal

voltage 230 V~ (For G18SE3, G18SG2, G23SC3,

G23SE2 only)

Under unfavorable mains conditions, this power tool

may cause

transient voltage drops

interfering voltage

fluctuations

This power tool is intended for the connection to a

power supply system with a maximum permissible

system impedance Z

MAX

of 0.23 Ohm at the interface

point (power service box) of the user's supply.

The user has to ensure that this power tool is connected

only to a power supply system which fulfills the

requirement above.

If necessary, the user can ask the public power supply

company for the system impedance at the interface point.

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