Manual Hitachi H41SA-02 (page 7 of 40) (English, German, Dutch, French, Italian, Spanish)

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English

Optical accessories are subject to change without notice.

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 power 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. Tool Mounting

NOTE:

For tools such as a bull point and a cutter, use only

Hitachi genuine parts.

(1) Clean, then smear the tool shank with the grease

provided.

(2) Press the push button, slightly lift the tool retainer

in the direction of arrow

as shown in Fig. 1 to

hook the tool retainer edge with the push button

and engage the push button.

(3) Release your finger from the push button and further

lift the tool retainer in the direction of arrow

NOTE:

First time when the tool retainer is lifted, remove your

finger from the push button. If the push button is kept

pressed, the edge of the tool retainer comes in contact

with your finger and the tool retainer cannot be lifted.

(4) Fully insert the tool shank into the hexagonal hole

in the front cover.

(5) Return the tool retainer to secure the tool.

NOTE:

Remove in the reverse order of installation.

WHEN THE PUSH BUTTON DOES NOT

OPERATE SMOOTHLY

When the push button does not operate smoothly,

please remove dirt from the inside through the outlet

using a wire, etc. Then lubricate lubricating oil and push

the push button several times to make it operate

smoothly.

HOW TO USE THE DEMOLITION HAMMER

(Fig. 3)

1. After placing the tip of the tool in the base hole,

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.

DRILLING AND DRIVING-IN OPERATION FOR

SELF DRILLING ANCHORS

When self-drilling anchors (Fig. 4) are used, the anchors

can be driven in. In this case, use the optional accessories

for self-drilling anchors such as the anchor adapter.

1. Attach the turning handle to the anchor adapter and

turn the handle back and forth manually (Fig. 5).

In this case, the plug is not attached to the anchor.

2. When a predetermined depth has been attained,

pull out the anchor tentatively (Fig. 6).

3. By employing the syringe, blow out the debris.

4. Attach the plug to the anchor tip and drive in the

anchor again with the demolition hammer.

5. After driving in the anchor, use the drift key to

separate the anchor (Fig. 7).

6. By employing a manual hammer or pliers, snap off

the tapered portion of the anchor (Fig. 8).

CAUTION:

Since the snapped-off tapered portion will fly out,

pay attention to the snapping direction.

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 Agent.

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 power plug.

(1) Remove the crank cover and wipe off the old grease

inside (Fig. 9).

(2) Supply 30 g (the standard quantity to cover the

connecting rod) of Hitachi Electric Hammer Grease

A to the crank case.

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

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 Agent.

⅜ Hammer Grease A

500 g (in a can)

70 g (in a tube)

30 g (in a tube)

01Eng_H41SA_WE_6L 08/12/10, 09:236

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Hitachi H41SA-02 Manual

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