English

OPERATION

1. Mounting and dismounting of the bit

Tighten

Loosen

Ring Sleeve

Fig. 5

(1)Mounting the bit.

Insert a screwdriver 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.5)

NOTE: 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 counterclockwise direction as viewed from the front). (See Fig.5)

CAUTION:

When mounting a bit into the keyless chuck, tighten firmly. If the sleeve is not tight, the bit may slip or fall out, causing injury.

NOTE: Loosening stuck or hard to move sleeves.

Grasp the bit installed in the keyless chuck, in a vise or similar tool.

Set the cap position to “1-11” and turn on the switch. The motor then starts. Finally, rotate the sleeve to the left, and it will loosen.

2.Confirm that the battery is mounted correctly.

3.Check the rotational direction

The bit rotates clockwise (viewed from the rear side) by

Triger

 

pushing the R-side of the selector button.

switch

 

 

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

 

 

R marks

L marks

counterclockwise. (See Fig. 6). (The L and R marks are

provided on the body.)

 

 

 

When the trigger switch is depressed, the tool rotates.

R

L

When the trigger is released, the tool stops.

 

The rotational speed of the drill can be controlled by

 

 

varying the amount that the trigger switch is pulled.

 

Selector

Speed is low when the trigger switch is pulled slightly and

 

Button

increases as the trigger switch is pulled more.

 

When releasing the trigger of the switch, the brake will be

Fig. 6

applied for immediate stopping.

 

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Hitachi Koki USA DS 12DVF, DS 9DVF, DS 14DVF instruction manual Operation, Mounting and dismounting of the bit