Hitachi DB 3DL2 Handling Instructions Manual page 27

(3) Adjusting the tightening torque (See Fig. 7)
Rotate the clutch dial and line up the numbers "1, 5, 9 ... 21" on the clutch dial, or the dots,
with the triangle mark on the outer body. Adjust the clutch dial in the weak or the strong
torque direction according to the torque you need.
CAUTION
The motor rotation may be locked to cease while the unit is used as drill. While
○
operating the driver drill, take care not to lock the motor.
When setting the shift knob to "HIGH" (high speed) and the position of the clutch
○
dial is "17" or "21", it may happen that the clutch does not engaged and that the
motor is locked. In such a case, please set the shift knob to "LOW" (low speed).
If the motor is locked, immediately turn the power off . If the motor is locked for a
○
while, the motor or battery may be burnt.
Too long hammering may cause the screw broken due to excessive tightening.
○
8. Switch operation
(1) Lock switch
The tool is equipped with a lock switch. To activate
the main switch lock, move the lock switch to the
"▼ LOCK" position. Move the lock switch to the
opposite position to operate the tool. (Fig. 9)
CAUTION
Always set the lock switch to the "▼ LOCK"
position when carrying or storing the tool
eliminate unintentional starting.
(2) Main switch
The main switch functions as a motor switch
and rotational direction selector switch. When
the main switch is pushed to "R" indicated on
the main switch, the bit rotates clockwise. When
the main switch is pushed to "L" indicated on the
main switch, the bit rotates counterclockwise.
When the main switch is released, the tool stops.
(Fig. 10)
9. Using the light
The light lights when the light switch is pushed.
When the light switch is pushed again, the light is
turned off . (Fig. 11)
CAUTION
Do not look directly into the light. Such
actions could result in eye injury.
Lock
switch
27
English
Unlock
Lock
▼ Lock
Fig. 9
Main switch
Fig. 10
Light switch
Fig. 11