Manual Hitachi G10SR (page 6 of 22) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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English

CAUTION

When the machine is not in use, the power source

should be disconnected.

ASSEMBLING AND DISASSEMBLING THE

DEPRESSED CENTER WHEEL (Fig. 2)

CAUTION: Be sure to switch OFF and disconnect the

attachment plug from the receptacle to avoid

a serious accident.

1. Assembling (Fig. 2)

(1) Turn the equipment upsidedown so that the

spindle will be facing up.

(2) Mount the wheel washer onto the spindle.

(3) Fit the protuberance of the depressed center wheel

onto the wheel washer.

(4) Screw from above the wheel nut onto the spindle.

(5) As shown in Fig. 2, push in the lock pin to

prevent rotation of the spindle. Then, secure the

depressed center wheel by tightening the wheel

nut with the wrench.

2. Disassembling

Follow the above procedures in reverse.

CAUTIONS:

⅜ Comfirm that the depressed center wheel is mounted

firmly.

⅜ Confirm that the lock pin is disengaged by pushing

lock pin two or three times before switching the

power tool on.

MAINTENANCE AND INSPECTION

1. Inspecting the depressed center wheel

Ensure that the depressed center wheel is free of

cracks and surface defects.

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. Fail-

ure to do so could result in serious hazard.

3. Inspecting the carbon brushes (Fig. 3)

The motor employs carbon brushes which are

consumable parts. Since an excessively worn car-

bon brush can result in motor trouble, replace the

carbon brush with a new one having the same

carbon brush No. shown in the figure when it

becomes worn to or near the “wear limit”. In

addition, always keep carbon brushes clean and

ensure that they slide freely within the brush holders.

4. Replacing carbon brushes:

Disassemble the brush caps with a slotted-head

screwdriver. The carbon brushes can then be easily

removed.

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.

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 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 identify-

ing 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 mark-

ed 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

EN50144.

The typical A-weighted sound pressure level: 90 dB (A).

The typical A-weighted sound poweer level: 103 dB (A).

Wear ear protection.

The typical weighted root mean square acceleration

value does not exceed 2.5 m/s

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Hitachi G10SR Manual

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