Bedienungsanleitung Hitachi H45SR (Seite 7 von 48) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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(1) Install the tool into the tool chuck.

(2) Insert the dust cover starting from the tip of the tool.

(3) Press the tool all the way in, then seat the dust cover

on the grip (A) as shown in Fig. 6.

(4) When installing tools such as cutters, insert the dust

cover into the tool and install the tool onto the tool

chuck before seating the dust cover on the grip (A).

7. Removing Tool

As shown in Fig. 4, pull grip (A), and pull out the tool.

CAUTION:

Be sure to grip the hanle and side handle or grip (B)

portion during work. Do not hold by the grip (A)

during work. If you pull it by mistake, the bull poin

could jump out.

HOW TO USE THE DEMOLITION HAMMER (Fig. 7)

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

switch ON.

2. By utilizing the weight of the machine and by firmly

holding the demolition hammer with both hands,

one can effectively control the subsequent recoil

motion.

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

much force will impair efficiency.

CAUTION:

After long time of use, the cylinder case becomes

hot. Therefore, be careful not to burn your hands.

GREASE REPLACEMENT

This machine is of full air-tight construction to protect

against dust and to prevent lubricant leakage. This

machine can be used without grease supplement for an

extended period of time. However, perform the grease

replacement to maintain 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) Remove the crank cover and wipe off the old grease

inside. (Fig. 8)

(2) Supply 40 g (the standard volume to cover the

connecting rod) of Hitachi Electric Hammer Grease A

to the crank case.

(3) After replacing the grease, install the crank cover

securely.

NOTE:

The Hitachi Electric Hammer Grease A is of the low

viscosity type. When the grease is consumed,

purchase from an authorized Hitachi Service

Center.

APPLICATIONS

Breaking concrete, chipping off concrete, grooving, bar

cutting, and driving piles.

Application examples:

Installation of piping and wiring, sanitary facility

installation, machinery installation, water supply and

drainage work, interior jobs, harbor facilities and other

civil engineering work.

PRIOR TO OPERATION

1. Power source

Ensure that the power source to be utilized conforms

to the power requirements specified on the product

nameplate.

2. Power switch

Ensure that the power switch is in the OFF position. If

the plug is connected to a receptacle while the power

switch is in the ON position, the power tool will start

operating immediately, which could cause a serious

accident.

3. Extension cord

When the work area is removed from the power

source, use an extension cord of sufficient thickness

and rated capacity. The extension cord should be

kept as short as practicable.

4. Before installing the tools

CAUTION:

Be sure to switch power OFF and disconnect the plug

from the receptacle to avoid serious trouble.

NOTE:

To prevent dust from getting into the tool chuck,

always replace the front cap with one that matches

the shape of the tool shank in use. (Fig. 1, Fig. 2)

To replace the front cap, perform the following.

(1) Pull the grip (A) in the direction of

as shown in Fig.

3, and firmly pull on the front cap to remove it.

(2) Attach the front cap with the grip (A) already pulled

out in the direction of

, then return the grip (A) to

its original position.

5. Installing Tools

CAUTION:

Be sure to switch power OFF and disconnect the plug

from the receptacle to avoid serious trouble.

NOTE:

Concerning the tools such as bull points and cutters,

be sure to use separately sold genuine parts that are

designated by HITACHI.

(1) Wipe off and clean up the shank section of the tool,

and apply grease or machine oil onto it.

(2) As shown in Fig. 4, pull grip (A) in the direction of

and insert the tool into a hole of the front cap.

(3) Adjust the hexagonal hole while turning the tool, and

furthermore insert it until it hits the end of the hole.

(4) Return grip (A) to its original position, pull the tool

and make sure it is locked completely. (Fig. 5)

6. Installing the dust cover

CAUTION:

Be sure to switch power OFF and disconnect the plug

from the receptacle to avoid serious trouble.

When the dust cover has been seated over the grip (A),

then dust will be prevented from getting into the tool

chuck during operation.

Install the dust cover as follows.

01Eng_H45SR_WE 08/12/12, 12:046

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