Manual Hitachi H65SC (page 6 of 33) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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English

(Although the oil tank is built in, it contains only

a small volume of oil when shipped from the Hitachi

Works.)

5. Tool Mounting:

CAUTION:

Be sure to switch OFF and disconnect the attachment

plug from the receptacle to avoid a serious accident.

NOTE:

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

Hitachi genuine parts.

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

machine oil. (Fig. 1)

(2) Rotate the stop lever 180° in a clockwise direction

while pulling it toward you. Next, insert the tool

shank into the hexagonal hole on the front cover.

(Fig. 1)

(3) Clamp the tool by turning the stop lever by half

a turn in the opposite direction. (Fig. 2)

NOTE:

When removing the tool, follow the above

procedures in reverse.

HOW TO USE THE DEMOLITION HAMMER

1. Pull the trigger switch after applying the tip of the

bit to the crushing position.

In some cases, it is necessary to punch the tip of

the bit against the crushing position forcibly in

order to begin the striking motion.

This is not due to malfunction of the tool. It means

that the safe guard mechanism against no-load

striking is working.

2. Operate the tool by utilizing its empty weight. The

performance will not be better even if the tool is

pressed or thrust forcibly against the work surface.

Hold the tool with a force just sufficient to counteract

the reaction. (Fig. 3)

CAUTION:

Sometimes the tool does not begin the striking

motion even when the motor rotates because the

oil has become thick.

If the tool is used at low temperatures or if it is

used after a long time idle, the tool should be used

running in for five minutes in order to warm it up.

OIL FEEDING

CAUTION: Prior to oil feeding, always disconnect the plug

from the receptacle.

Since an oil chamber is built in this Demolition Hammer,

it can be used for approximately 20 days without

replenishing lubricationg oil, assuming that the Hammer

is used continuously 3 – 4 hours daily.

Feed oil into the oil tank as described below before using

this Demolition Hammer. (See Figs. 4 and 5)

1. Just before no oil is visible in the oil gauge window

when the power tool is held upright, feed oil without

fail.

2. Before feeding oil, use the provided wrench to

remove the oil gauge.

Be careful not to lose the rubber packing attached

below the oil gauge.

3. Check the oil level once a day, confirming that oil

is filled.

4. After feeding oil, securely clamp the oil gauge.

NOTE:

As an optional accessory, oil for the Demolition

Hammer (one liter) is sold separately. Use this oil

when oil in the tank is depleted. Shell Oil Co.

ROTELLA #40 (engine oil) can also be used. This

oil is sold as Shell gasoline stations most anywhere.

MAINTENANCE AND INSPECTION

CAUTION:

Be sure to swith OFF and disconnect the attachment

plug from the receptacle to avoid a serious accident.

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. 6)

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 Numbers 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 screw (Hexagon socket hd. bolts M4×12)

of the cap covers, then remove the cap covers. After

removing the brush caps, the carbon brushes can

be removed.

After replacing the carbon brushes, tighten the brush

caps, then mount the cap covers securely.

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_H65SC_WE_6L 4/18/07, 18:555

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Hitachi H65SC Manual

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