Bedienungsanleitung Hikoki DH3628DA (Seite 16 von 300) (Alle Sprachen)

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ABOUT THE PROTECTION

FUNCTION

This tool has a built-in protection circuit for preventing

damage to the unit in the event of an abnormality.

Depending on the following, the display lamp will ﬂ ash, and

the unit will cease to operate. Verify the problem indicated

by the ﬂ ashing and take the necessary steps to correct the

problem.

When pressing the changeover switch, do so when the

switch is not being pulled.

Changeover switch

Display lamp

Fig. 27

Table 3

Display

lamp

ﬂ ashing Cause Solution

Operation has

ceased because the

internal temperature

has exceeded the

temperature limit.

(High temperature

protection function)

Allow the unit to cool

for 15 to 30 minutes.

When the temperature

goes down and the

display lamp blinking

stops, pull the switch

trigger to recover

operation.

Sudden

overburdening of

the tool bit has

activated the RFC,

stopping further

operation of the

tool.

RFC (See page 15

“REACTIVE FORCE

CONTROL”)

Release the switch

trigger and leave it

until the display lamp

blinking stops. Pull the

switch trigger again to

recover operation.

Before continuing

operation, remove

the cause of the

overburden.

NOTE

Despite taking steps to correct a problem, the display

lamp may continue to blink. Should this be the case, the

unit may require repair. If so, please contact the outlet

from which this product was purchased for repairs.

LUBRICATION

This Rotary Hammer is of full air-tight construction to protect

against dust.

Therefore, this Rotary Hammer can be used without

lubrication for long periods.

After purchase, periodically replace grease. Ask for grease

replacement at the nearest authorized Service Center.

CAUTION

A speciﬁ c grease is used with this machine, therefore,

the normal performance of the machine may be badly

aﬀ ected by use of diﬀ erent grease. Please be sure to let

one of our service centers to undertake replacement of

the grease.

MAINTENANCE AND INSPECTION

WARNING

Be sure to turned oﬀ the switch and remove the battery

before maintenance and inspection.

1. Inspecting the tool

Since use of as dull tool will degrade eﬃ ciency 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. Inspection of terminals (tool and battery)

Check to make sure that swarf and dust have not

collected on the terminals.

On occasion check prior, during and after operation.

CAUTION

Remove any swarf or dust which may have collected on

the terminals.

Failure to do so may result in malfunction.

5. Cleaning on the outside

When the power tool is stained, wipe with a soft dry cloth

or a cloth moistened with soapy water. Do not use chloric

solvents, gasoline or paint thinner, for they melt plastics.

6. Cleaning the battery installation compartment and

the battery

After drilling concrete, if concrete dust has accumulated

on the battery installation compartment and the battery,

clean oﬀ the accumulated concrete dust with an air gun

or a dry cloth before using the tool. (Fig. 21)

Also, after cleaning, ensure that the battery can be

installed and removed smoothly from the tool.

CAUTION

Using the tool when the battery is covered with concrete

dust may lead to accidents such as the battery falling

during use.

Furthermore, such use may cause a malfunction or

contact failure between the battery and the terminals.

7. Storage

Store the power tool and battery in a place in which

the temperature is less than 40°C and out of reach of

children.

NOTE

Storing lithium-ion batteries.

Make sure the lithium-ion batteries have been fully

charged before storing them.

Prolonged storage (3 months or more) of batteries with

a low charge may result in performance deterioration,

signiﬁ cantly reducing battery usage time or rendering

the batteries incapable of holding a charge.

However, signiﬁ cantly reduced battery usage time may

be recovered by repeatedly charging and using the

batteries two to ﬁ ve times.

If the battery usage time is extremely short despite

repeated charging and use, consider the batteries dead

and purchase new batteries.

CAUTION

In the operation and maintenance of power tools, the

safety regulations and standards prescribed in each

country must be observed.

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