Hitachi FDS10DVA Instruction Manual page 17

5. Check the cap position.
The tightening power of this
Cordless driver drill can be adjusted
according to the cap position, at
which the cap is set.
For use as a screwdriver, set the cap
white line at one of the numerals
"1" to "5" on the housing.
For use as a drill, set the white line
at the drill mark "
NOTE: Set the white line of the cap at one of either the numerals or drill mark.
The white line cannot be set between the marks.
6. Tightening power adjustment
(1) Tightening power
Tightening power must correspond in its intensity to the screw diameter.
When too much power is used, the screw could break.
Be sure to adjust the cap in conformity with the screw diameter.
(2) Tightening power indication
Tightening power must be changed according to the screw type, screw size and
the materials to be tightened. The amount of tightening power is indicated by the
numbers "1", "2", "3", "4", and "5" located on the housing. "1" is the minimum
tightening power. "5" is the maximum tightening power. (Fig. 12)
(3) How to adjust the tightening power
Rotate the cap to the desired tightening power by aligning the white line of the
cap with the desired number.
Adjust the tightening power by cap rotation in such a way that when the
tightening power is too strong, set the next smaller numeral at the arrow mark
and set the next larger numeral when too weak.
CAUTION:
The motor stops during operation, or will not turn, check battery strength and
charge if necessary. If motor still does not operate, the motor may be burnt.
Consult your authorized Hitachi Service Center.
7. High speed–Low speed changeover (Fig. 13)
The shift knob controls the drill speed.
Slide toward the drill bit for "low" speed.
Slide away from the drill bit for "high" speed.
Slide the shift knob completely to engage properly.
". (Fig. 12)
Weak White Line
Cap
1
3
5
Strong
Fig. 12
Drill Mark
17