Bedienungsanleitung Hitachi H60KA (Seite 6 von 41) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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(3) Turn the stop lever and align the front cover mark

with the stop lever mark to secure.

NOTE:

Remove in the reverse order to installation.

6. Move the side handle

The side handle can be fixed at any desired position;

360 degrees, and can also be fixed at any position

in the back-and-forth direction.

(1) Loosen the handle by turning the grip in the direction

of A as shown in Fig. 2.

(2) Adjust it to a position where vertical (up-and-down)

operation can be facilitated as illustrated in Fig. 3,

Fig. 4, and Fig. 5.

(3) Turn the grip in the direction of B and fix the

handle.

HOW TO USE THE DEMOLITION HAMMER

(Fig. 6)

1. After placing the tip of the tool on concrete surface,

switch ON.

The switch can be turned ON if the trigger is pulled

and OFF when it is released.

If the stopper is pressed while the trigger for the

switch is pulled, even if your finger is released from

the trigger, the switch remains ON - convenient for

continuous operation.

To turn the switch OFF, pull the trigger again, and

then the stopper comes off.

2. By utilizing the empty weight of the machine and

by firmly holding the demolition hammer by both

hands, you can effectively control the subsequent

recoil motion.

Proceed at a moderate work-rate, the use of too

much pushing force will impair efficiency.

GREASE REPLACEMENT

This machine is of fully oil sealed construction to protect

against dust incursion and to prevent lubricant leakage.

This machine can be used without grease replenishment

for an extended period of time. However, perform the

grease replacement to extend the service life. Replace

the grease as described below.

1. Grease Replacement Period

You should look at the grease when you change

the carbon brush. (See item 4 in the section

MAINTENANCE AND INSPECTION.)

Ask for grease replacement at the nearest authorized

Hitachi Service Center.

In the case that you are forced to change the grease

by yourself, please follow the following points.

2. How to replace grease

CAUTION:

Before replacing the grease, turn the power off and

pull out the plug from the receptacle.

(1) Disassemble the crank cover and thoroughly wipe

off the old grease inside. (Fig. 7)

(2) Supply 60g (the standard volume to cover the

connecting rod) of Hitachi Electric Hammer Grease

A in the crank case.

(3) After replacing the grease, reassemble the crank

cover securely. At this time, do not damage or lose

the oil seal.

NOTE:

The Hitachi Electric Hammer Grease A is of the low

viscosity type. When the grease is consumed,

purchase from the authorized Hitachi Service Center.

MAINTENANCE AND INSPECTION

CAUTION

Be sure to switch power OFF and disconnect the plug

from the receptacle to avoid serious trouble.

1. Inspecting the tool

Since use of a dull tool will degrade efficiency and

cause possible motor malfunction, sharpen or

replace the tool as soon as abrasion is noted.

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. Inspecting the carbon brushes (Fig. 8)

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 Number 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 set screw and remove the tail cover.

Remove the brush caps and carbon brushes. After

replacing the carbon brushes, do not forget to tighten

the brush caps properly and install the tail cover.

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.

01Eng_H60KA_WE 9/26/06, 5:19 PM5

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