Hitachi DS14DBL Handling Instructions Manual page 11

Rotation speed
selector switch
Shift knob
LOW
(Slow)
HIGH
(Fast)
5. The scope and suggestions for uses
The usable scope for various types of work based on the
mechanical structure of this unit is shown in Table 5.
Work
Wood
Drilling Steel
Aluminum
Machine screw
Driving
Wood screw
6. How to select tightening torque and rotational speed
Use
Machine screw
Driving
Wood screw
Wood
Drilling
Metal
CAUTION
○ The selection examples shown in Table 6 should be
considered as general standard. As diff erent types of
tightening screws and diff erent materials to be tightened
are used in actual works proper adjustments are naturally
necessary.
Table 4 Examples of tightening mode selector function settings
Low 1
Slow
Tightening small diameter machine screws,
tapping screws, etc.
Use for drilling purpose.
Use the bit or socket matching the screw diameter.
Use after drilling a pilot hole.
Clutch Dial
Position
For 4 mm or smaller diameter
1 – 22
screws.
For 8 mm or smaller nominal
1 –
diameter screws.
For 65 mm or smaller diameters.
(DS18DSBL)
For 50 mm or smaller diameters.
(DS14DBL)
For drilling with a metal working
drill bit.
Low 2 Medium
Tightening wood screws, drilling large
diameter holes, etc.
Drilling small diameter holes, etc.
Table 5
Suggestions
Table 6
Rotating speed selection (Position of the shift knob)
LOW (Low speed)
○ When using the driver drill with a machine screw at HIGH
(high speed), a screw may damage or a bit may loose
due to the tightening torque is too strong. Use the driver
drill at LOW (low speed) when using a machine screw.
English
High
Fast
HIGH (High speed)
For 6 mm or smaller diameter
screws.
For 4.8 mm or smaller nominal
diameter screws.
For 24 mm or smaller diameters.
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