Manual Hitachi dn 10 dy (page 8 of 38) (English, German, Dutch, French, Italian, Spanish)

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(2) Regarding the temperatures of the rechargeable

battery.

The temperatures for rechargeable batteries are as

shown in the table below, and betteries that have

become hot should be cooled for a while before

being recharged.

Table 2 Recharging ranges of batteries

Temperatures at

Rechargeable batteries which the battery

can be recharged

EB9 –5˚C ~ 40˚C

EB9S, EB9G, EB9B, EB9M

–5˚C ~ 60˚C

EB9H 0˚C ~ 45˚C

(3) Regarding recharging time

Depending on the combination of the charger and

batteries, the charging time will become as shown

in Table 3.

Table 3 Charging time (At 20°C)

NOTE

The charging time may vary according to tempera-

ture and power source voltage.

4. Disconnect the charger’s power cord from the

receptacle.

5. Hold the charger firmly and pull out the battery.

NOTE

After operation, pull out batteries from the charger

first, and then keep the batteries properly.

Regarding electric discharge in case of new batteries,

etc.

As the internal chemical substance of new batteries

and batteries that have not been used for an

extended period is not activated, the electric dis-

charge might be low when using them the first and

second time. This is a temporary phenomenon, and

normal time required for recharging will be restored

by recharging the batteries 2 – 3 times.

How to make the batteries perform longer.

(1) Recharge the batteries before they become com-

pletely exhausted.

When you feel that the power of the tool becomes

weaker, stop using the tool and recharge its battery.

If you continue to use the tool and exhaust the

electric current, the battery may be damaged and

its life will become shorter.

(2) Avoid recharging at high temperatures.

A rechargeable battery will be hot immediately after

use. If such a battery is recharged immediately after

use, its internal chemical substance will deteriorate,

and the battery life will be shortened. Leave the

battery and recharge it after it has cooled for a

while.

CAUTION

⅜ If the battery has been heated right after operation

(or due to sunlight, etc.), the charger’s pilot lamp

may not light in red. In such a case, first let the

battery cool, then start charging.

⅜ When the pilot lamp flikers in red quickly (at 0.2-

second intervals), check for and take out any foreign

objects in the charger’s battery installation hole. If

there are no foreign objects, it is probable that the

battery or charger is malfunctioning. Take it to your

authorized Service Agent.

⅜ Since the built-in micro computer takes about 3

seconds to confirm that the battery being charged

with UC14YF/UC14YF2 is taken out, wait for a

minimum of 3 seconds before reinserting it to

continue charging. If the battery is reinserted within

3 seconds, the battery may not be properly charged.

PRIOR TO OPERATION

1. Setting up and checking the work environment

Check if the work environment is suitable by fol-

lowing the precautions.

HOW TO USE

1. Mounting and dismounting of the bit.

(1) Mounting the bit

After inserting a driver bit, etc. into the keyless drill

chuck, firmly grasp the ring and tighten the sleeve

by turning it toward the right (in the clockwise

direction as viewed from the front). (See Fig. 4)

⅜ If the sleeve becomes loose during operation, tighten

it further. The tightening force becomes stronger

when the sleeve is tightened.

(2) Dismounting the bit

Firmly grasp the ring and loosen the sleeve by

turning it toward the left (in the counter-clockwise

direction as viewed from the front). (See Fig. 4)

2. Confirm that the battery is mounted correctly.

3. Check the rotational direction

The bit rotates clockwise (viewed from the rear

side) by pushing the R-side of the selector button.

The L-side of the selector button is pushed to turn

the bit counterclockwise. (See Fig. 5). (The

and

marks are provided on the body.)

4. Switch operation

⅜ When the trigger switch is depressed, the tool

rotates. When the trigger is released, the tool stops.

(Fig. 6)

⅜ The rotational speed of the drill can be controlled

by varying the amount that the trigger switch is

pulled. Speed is low when the trigger switch is

<UC12Y>

Temperatures at

Rechargeable batteries which the battery

can be recharged

EB9, EB9B –5˚C ~ 40˚C

Charger

UC12Y UC14YF UC14YF2

Battery

EB9, EB9S

Approx. 60 min. Approx. 45 min. Approx. 45 min.

EB9G

– Approx. 55 min. Approx. 55 min.

EB9B, EB9M

– Approx. 60 min. Approx. 60 min.

EB9H

––Approx. 70 min.

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Hitachi dn 10 dy Manual

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