Manual Hitachi DV18DCL (page 11 of 78) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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weakened tightening torque and reduced amount of

work. This, however, is a temporary phenomenon,

and returns to normal when the battery warms up.

7. Mounting and dismounting of the bit

(1) 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. 9).

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

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. 9).

CAUTION

⅜ 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.

8. Confirm that the battery is mounted correctly

9. 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. 10). (The

and

marks are provided on the selector button.)

CAUTION

⅜ Always use this unit with clockwise rotation, when

using it as an impact drill.

10. 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

⅜ A buzzing noise is produced when the motor is about

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

11. For drilling into brick

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.

12. Using the bit holder

CAUTION

⅜ Stow the bit in the specified location on the tool. If

the tool is used with the bit stowed improperly, the

bit may fall and cause bodily injury.

⅜ Do not stow bits that are of a different length, gauge

or dimension than the plus driver bit (65 mm long)

included in the STANDARD ACCESSORIES.

The bit may fall and cause bodily injury.

(1) Removing the bit

Securely hold the main unit and pull out the bit by

holding the tip with your thumb (Fig. 11).

(2) Installing the Bit

Install the bit with steps opposite of when removing.

Insert the bit so that the right and left sides are equal,

as shown in Fig. 12.

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. Cleaning on the outside

When the Impact 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.

5. Storage

Store the Impact driver drill in a place in which the

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

children.

6. Service parts list

CAUTION

Repair, modification and inspection of Hitachi Power

Tools must be carried out by a 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 may be changed without

prior notice.

GUARANTEE

We guarantee Hitachi Power Tools in accordance with

statutory/country specific regulation. This guarantee does

not cover defects or damage due to misuse, abuse, or

normal wear and tear. In case of complaint, please send

the Power Tool, undismantled, with the GUARANTEE

CERTIFICATE found at the end of this Handling instruction,

to a Hitachi Authorized Service Center.

NOTE

Due to HITACHI’s continuing program of research and

development, the specifications herein are subject to

change without prior notice.

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Hitachi DV18DCL Manual

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