Bedienungsanleitung Hitachi dv 18 v (Seite 23 von 26) (Englisch, Dänisch, Schwedisch, Norwegisch, Finnisch)

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7. Fixing the side handle (Fig. 5)

Attach the side handle to the mounting part.

Rotate the side handle grip in a clockwise direction to

secure it.

Set the side handle to a position that is suited to the

operation and then securely tighten the side handle

grip.

To attach a depth gauge on the side handle, insert

the gauge into the U-shaped groove on the side

handle, adjust the position of the depth gauge in

accordance with the desired depth of the hole, and

firmly tighten the side handle grip (Fig. 6).

8. IMPACT to ROTATION changeover (Fig. 7)

Shift the change lever between the right and left

positions to switch easily between IMPACT (rotation

and impact) and ROTATION (rotation only), respectively.

To bore holes in hard materials such as concrete, stone

and tiles, shift the change lever to the right-hand position

(as indicated by the

mark). The drill bit operates by

the combined actions of impact and rotation.

To bore holes in metal, wood and plastic, shift the

change lever to the left-hand position (as indicated by

the

mark). The drill bit operates by rotational action

only, as in the case of a conventional electric drill.

CAUTION

⅜ Do not use the Impact Drill in the IMPACT function

if the material can be bored by rotation only.

Such action will not only reduce drilling efficiency,

but may also damage the drill tip.

⅜ Operating the lmpact Drill with the change lever

in mid-position may result in damage. When

switching, make sure that you shift the change

lever to the correct position.

9. High-speed/Low-speed changeover

Prior to changing speed, ensure that the switch is in the

OFF position, and the drill has come to a complete stop.

To change speed, rotate the gear shift dial as indicated

by the arrow in Fig. 8. The numeral “1” engraved on

the drill body denotes low speed, the numeral “2”

denotes high speed.

If it is hard to turn the gear shift dial, turn the chuck

slightly in either direction and then turn the gear shift

dial again.

HOW TO USE

1. Switch operation

⅜ When the trigger 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.

⅜ The desired rotation speed can be pre-selected with

the speed control dial.

Turn the speed control dial clockwise for higher speed

and counterclockwise for lower speed (Fig. 9).

⅜ Pulling the trigger and pushing the stopper, it keeps

the switched-on condition which is convenient for

continuous running. When switching off, the stopper

can be disconnected by pulling the trigger again.

CAUTION

If the L-side of push button is pressed for reverse bit

rotation, the stopper cannot be used.

2. Drilling

⅜ When drilling, start the drill slowly, and gradually

increasing speed as you drill.

⅜ Always apply pressure in a straight line with the bit.

Use enough pressure to keep drilling, but do not

push hard enough to stall the motor or deflect the bit.

⅜ To minimize stalling or breaking through the material,

reduce pressure on drill and ease the bit through the

last part of the hole.

⅜ If the drill stalls, release the trigger immediately,

remove the bit from the work and start again. Do not

click the trigger on and off in an attempt to start a

stalled drill. This can damage the drill.

⅜ The larger the drill bit diameter, the larger the reactive

force on your arm.

Be careful not to lose control of the drill because of

this reactive force.

To maintain firm control, establish a good foothold,

use side handle, hold the drill tightly with both hands,

and ensure that the drill is vertical to the material

being drilled.

MAINTENANCE AND INSPECTION

1. Inspecting the drill bits

Since use of an abraded drill bits will cause motor

malfunctioning and degraded efficiency, replace the

drill bits with a new one or resharpening without

delay when 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

For your continued safety and electrical shock

protection, carbon brush inspection and replacement

on this tool should ONLY be performed by a Hitachi

Authorized Service Center.

5. 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 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.

MODIFICATION

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.

Hitachi dv 18 v Seite 23

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