Bedienungsanleitung Hitachi DV14DL2 (Seite 15 von 92) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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8. How to use the LED light

Pull the trigger switch to light up the light. The light

keeps on lighting while the trigger switch is being

pulled. The light goes out after releasing the trigger

switch. (Fig. 15)

9. Mounting and dismounting of the bit

(1) Mounting the bit

Loosen the sleeve by turning it toward the left (in the

counterclockwise direction as viewed from the front)

to open the clip on the keyless chuck. After inserting

a driver bit, etc., into the keyless drill chuck, and

tighten the sleeve by turning it toward the right (in

the clockwise direction as viewed from the front).

(See Fig. 16)

⅜ If the sleeve becomes loose during operation, tighten

it further.

The tightening force becomes stronger when the

sleeve is tightened additionally.

(2) Dismounting the bit

Loosen the sleeve by turning it toward the left (in the

counterclockwise direction as viewed from the front),

and then take out the bit ect. (See Fig. 16)

NOTE:

If the sleeve is tightened in a state where the clip of

the keyless chuck is opened to a maximum limit, a

click noise may occur. This is the noise that occurs

when the loosening of the keyless chuck is prevented

and is not a malfunction.

CAUTION:

When it is no longer possible to loosen the sleeve,

use a vise or similar instrument to secure the bit. Set

the clutch mode between 1 and 11 and then turn the

sleeve to the loose side (left side) while operating the

clutch. It should be easy now to loosen the sleeve.

10. Automatic spindle-lock mechanism

This unit has automatic spindle-lock mechanism for

quick bit changes.

11. Confirm that the battery is mounted correctly

12. 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. 17) (The

and

marks are provided on the selector button.)

13. Switch operation

⅜ When the trigger switch is depressed, the tool rotates.

When the trigger is released, the tool stops.

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 pulled slightly

and increases as the trigger switch is pulled more.

NOTE:

A buzzing noise is produced when the motor is about

to rotate; This is only a noise, not a machine failure.

14. For drilling into brick <DV14DL2 / DV18DL2>

Excessive pressing force never increases drilling

speed. It will not only damage the drill tip or reduce

working efficiency, but could also shorten the service

life of drill bit. Operate the impact driver drill within

10-15 kg pressing force while drilling into brick.

15. Installing / Removing the side handle

CAUTION

Firmly install the side handle. If loose, the side handle

may gyrate or fall out and cause bodily injury.

(1) Install the side handle so that the protrusions on the

main unit and grooves on the side handle interlock.

Tighten the grip after checking that the side handle is

not riding on the slip prevention protrusion (Fig. 20).

(2) Loosen the grip to remove the side handle.

OPERATIONAL CAUTIONS

⅜ Resting the unit after continuous work

After use for continuous tightening wood screw

works, rest the unit for 15 minutes or so when

replacing the battery. The temperature of the motor,

switch, etc., will rise if the work is started again

immediately after battery replacement, eventually

resulting in burnout.

MAINTENANCE AND INSPECTION

1. Inspecting the tool

Since use of as 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. 21)

The motor employs carbon brushes which are

consumable parts. Since and excessively worn carbon

brush can result in motor trouble, replace the carbon

brush with new ones when it becomes worn to or

near the “wear limit”. In addition, always keep carbon

brushes clean and ensure that they slide freely whthin

the brush holders.

NOTE:

When replacing the carbon brush with a new one, be

sure to use the Hitachi Carbon Brush Code No. 999054.

5. Replacing carbon brushes

Take out the carbon brush by first removing the

brush cap and then hooking the protrusion of the

carbon brush with a flat head screw driver, etc., as

shown in Fig. 23.

When installing the carbon brush, choose the direction

so that the nail of the carbon brush agrees with the

contact portion outside the brush tube. Then push it

in with a finger as illustrated in Fig. 24. Lastly, install

the brush cap.

CAUTION:

Be absolutely sure to insert the nail of the carbon

brush into the contact portion outside the brush tube.

(You can insert whichever one of the two nails

provided).

Caution must be exercised since any error in this

operation can result in the deformed nail of the carbon

brush and may cause motor trouble at an early stage.

6. Cleaning on the outside

When the driver drill 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.

01Eng_DS14DL2_WE.p65 1/24/12, 10:37 AM14

Hitachi DV14DL2 Seite 15

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