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Hitachi dv 14dmr Manual

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39
10. Check the rotational direction
The bit rotates clockwise (viewed from the rear side)
by pushing the R-side of the selector button.
The L-side of the selector button is pushed to turn the
bit counterclockwise (See Fig. 9). (The
L
and
R
marks are provided on the selector button).
CAUTION
Always use this unit with clockwise rotation, when
using it as an impact drill.
11. Switch operation
⅜ When the trigger switch 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.
NOTE
⅜ A buzzing noise is produced when the motor is about
to rotate; This is only a noise, not a machine failure.
12. For drilling into brick
Excessive pressing force never increases drilling
speed. It will not only damage the drill tip or reduce
working efficiency, but could also shorten the service
life of drill bit. Operate the impact driver drill within
10-15 kg pressing force while drilling into brick.
13. Using the hook
CAUTION
⅜ When using the hook, pay sufficient attention so that
the main equipment does not fall. If the tool falls,
there is a risk of accident.
⅜ Do not attach the tip tool except phillips bit to the tool
main unit when carrying the tool main unit with the
hook suspended from a waist belt.
Injury may result if you carry the equipment
suspended from the waist belt with sharp tipped
components such as drill bit attached.
The hook can be installed on the right or left side and the
angle can be adjusted in 5 steps between 0° and 80°.
(1) Operating the hook
(a) Pull out the hook toward you in the direction of
arrow (A) and turn in the direction of arrow (B)
(Fig. 10).
(b) The angle can be adjusted in 5 steps (0°, 20°, 40°,
60°, 80°).
Adjust the angle of the hook to the desired position
for use.
(2) Switching the hook position
CAUTION
Incomplete installation of the hook may result in
bodily injury when used.
(a) Securely hold the main unit and remove the screw
using a slotted head screwdriver or a coin (Fig. 11).
(b) Remove the hook and spring (Fig. 12).
(c) Install the hook and spring on the other side and
securely fasten with screw (Fig. 13).
NOTE
Pay attention to the spring orientation. Install the
spring with larger diameter away from you (Fig. 13).
(3) Using the bit holder (Hook with bit holder)
⅜ Installing the bit
Slide the bit from the side and then insert firmly
until the groove on the bit locks in the protruded
section of the hook.
⅜ Removing the bit
Securely hold the main unit and pull out the bit by
holding the tip with your thumb (Fig. 14).
CAUTION
⅜ Only Hitachi STANDARD ACCESSORIES phillips bit
(No. 2 × 65L; Code No. 983006) may be used. Do not
use other bits since they may come loose.
(4) Using as an auxiliary light (Hook with light)
(a) Press the switch to turn off the light.
If forgotten, the light will turn off automatically
after 15 minutes.
(b) The direction of the light can be adjusted within
the range of hook positions 1 - 5 (Fig. 15).
⅜ Lighting time
AAAA manganese batteries: approx. 15 hrs.
AAAA alkali batteries: approx. 30 hrs.
CAUTION
Do not look directly into the light.
Such actions could result in eye injury.
(5) Replacing the batteries (Hook with light)
(a) Loosen the hook screw with a phillips-head
screwdriver (No. 1) (Fig. 16).
Remove the hook cover by pushing in the direction
of the arrow (Fig. 17).
(b) Remove the old batteries and insert the new
batteries. Align with the hook indications and
position the plus (+) and minus (–) terminals
correctly (Fig. 18).
(c) Align the indentation in the hook main body with
the protuberance of the hook cover, press the
hook cover in the direction opposite to that of the
arrow shown in Fig. 17 and then tighten the screw.
Use commercially available AAAA batteries(1.5 V).
NOTE
Do not tighten the screw excessively. Such action
could strip the screw threads.
CAUTION
⅜ Failure to observe the following can result in battery
leakage, rust or malfunction.
Position the plus (+) and minus (–) terminals correctly.
Replace both batteries at the same time. Do not mix
old and new batteries.
Remove exhausted batteries from the hook
immediately.
⅜ Do not discard batteries together with normal trash
and do not throw batteries into fire.
⅜ Store batteries out of the reach of children.
⅜ Use batteries correctly in accordance with the battery
specifications and indications.
14. Using the bit holder
CAUTION
⅜ Stow the bit in the specified location on the tool. If
the tool is used with the bit stowed improperly, the
bit may fall and cause bodily injury.
⅜ Do not stow bits that are of a different length, gauge
or dimension than the plus driver bit (65 mm long)
included in the STANDARD ACCESSORIES.
The bit may fall and cause bodily injury.
(1) Removing the bit
Securely hold the main unit and pull out the bit by
holding the tip with your thumb (Fig. 19).
(2) Installing the Bit
Install the bit with steps opposite of when removing.
Insert the bit so that the right and left sides are equal,
as shown in Fig. 20.
15. Installing/Removing the side handle
CAUTION
⅜ Firmly install the side handle. If loose, the side handle
may gyrate or fall out and cause bodily injury.
… 40 …


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