Hitachi DS12DM [14/82] English
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Hitachi DS12DM [14/82] English

Hitachi DS12DM [14/82] English
English
13
CAUTION
䡬 The selection examples shown in Table 7 should
be considered as general standard. As different
types of tightening screws and different materials
to be tightened are used in actual works proper
adjustments are naturally necessary.
䡬 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 tightning torque is too
strong. Use the driver drill at LOW (low speed)
when using a machine screw.
NOTE
The use of the battery EB9H, EB926H, EB930H,
EB1222HL, EB1226HL and EB1230HL in a cold
condition (below 0 degree Centigrade) can
sometimes result in the weakened tightening torque
and reduced amount of work. This, however, is
a temporary phenomenon, and returns to normal
when the battery warms up.
6. Using the hook
CAUTION
䡬 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.
䡬 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. 9).
(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. 10).
(b) Remove the hook and spring (Fig. 11).
(c) Install the hook and spring on the other side and
securely fasten with screw (Fig. 12).
NOTE
Pay attention to the spring orientation. Install the
spring with larger diameter away from you (Fig. 12).
(3) Using the bit holder
䡬 Installing the bit
Slide the bit from the side in the direction of Fig. 13,
and then insert firmly until the groove on the bit locks
in the protruded section of the hook.
䡬 Removing the bit
Securely hold the main unit and pull out the bit by
holding the tip with your thumb (Fig. 14).
CAUTION
䡬 The bit may come loose from the hook and cause
bodily injury when reversing the direction of the
bit as shown in Fig. 13 or when using the driver
with the bit stored incomplete.
䡬 Only Hitachi OPTIONAL ACCESSORIES plus driver
bits (Bit No. 2; Code No. 992671, Bit No. 3; Code
No. 992672) may be used. Do not use other bits
since they may come loose.
7. Mounting and dismounting of the bit
(1) Mounting the bit
Loosen the sleeve by turning it toward the left (in
the counterclockwise direction as viewed from the
front) to open the clip on the keyless chuck. After
inserting a driver bit, etc., into the keyless drill
chuck, and tighten the sleeve by turning it toward
the right (in the clockwise direction as viewed from
the front) (See Fig. 15).
If the sleeve becomes loose during operation, tighten
it further.
The tightening force becomes stronger when the
sleeve is tightened additionally.
(2) Dismounting the bit
Loosen the sleeve by turning it toward the left (in
the counterclockwise direction as viewed from the
front), and then take out the bit etc. (See Fig. 15).
NOTE
If the sleeve is tightened in a state where the clip
of the keyless chuck is opened to a maximum limit,
a click noise may occur. This is the noise that occurs
when the loosening of the keyless chuck is prevented
and is not a malfunction.
CAUTION
When it is no longer possible to loosen the sleeve,
use a vise or similar instrument to secure the bit.
Set the clutch mode between 1 and 11 and then
turn the sleeve to the loose side (left side) while
operating the clutch. It should be easy now to
loosen the sleeve.
8. Automatic spindle-lock mechanism
This unit has automatic spindle-lock mechanism for
quick bit changes.
9. Confirm that the battery is mounted correctly
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. 16) (The
L
and
R
marks are provided on the body).
11. Switch operation
䡬 When the trigger switch is depressed, the tool
rotates. When the trigger is released, the tool stops.
䡬 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
A buzzing noise is produced when the motor is
about to rotate; This is only a noise, not a machine
failure.
MAINTENANCE AND INSPECTION
1. Inspecting the tool
Since use of as dull tool will degrade efficiency and
cause possible motor malfunction, sharpen or
replace the tool as soon as abrasion is noted.
01Eng_DS9DM_EE 08/4/28, 17:2413

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English CAUTION O The selection examples shown in Table 7 should be considered as general standard As different types of tightening screws and different materials to be tightened are used in actual works proper adjustments are naturally necessary O 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 tightning torque is too strong Use the driver drill at LOW low speed when using a machine screw NOTE The use of the battery EB9H EB926H EB930H EB1222HL EB1226HL and EB1230HL in a cold condition below 0 degree Centigrade can sometimes result in the weakened tightening torque and reduced amount of work This however is a temporary phenomenon and returns to normal when the battery warms up 6 Using the hook CAUTION O 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 O 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 9 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 10 b Remove the hook and spring Fig 11 c Install the hook and spring on the other side and securely fasten with screw Fig 12 NOTE Pay attention to the spring orientation Install the spring with larger diameter away from you Fig 12 3 Using the bit holder O Installing the bit Slide the bit from the side in the direction of Fig 13 and then insert firmly until the groove on the bit locks in the protruded section of the hook O Removing the bit Securely hold the main unit and pull out the bit by holding the tip with your thumb Fig 14 CAUTION O The bit may come loose from the hook and cause bodily injury when reversing the direction of the bit as shown in Fig 13 or when using the driver with the bit stored incomplete O Only Hitachi OPTIONAL ACCESSORIES plus driver bits Bit No 2 Code No 992671 Bit No 3 Code No 992672 may be used Do not use other bits since they may come loose 7 Mounting and dismounting of the bit 1 Mounting the bit Loosen the sleeve by turning it toward the left in the counterclockwise direction as viewed from the front to open the clip on the keyless chuck After inserting a driver bit etc into the keyless drill chuck and tighten the sleeve by turning it toward the right in the clockwise direction as viewed from the front See Fig 15 If the sleeve becomes loose during operation tighten it further The tightening force becomes stronger when the sleeve is tightened additionally 2 Dismounting the bit Loosen the sleeve by turning it toward the left in the counterclockwise direction as viewed from the front and then take out the bit etc See Fig 15 NOTE If the sleeve is tightened in a state where the clip of the keyless chuck is opened to a maximum limit a click noise may occur This is the noise that occurs when the loosening of the keyless chuck is prevented and is not a malfunction CAUTION When it is no longer possible to loosen the sleeve use a vise or similar instrument to secure the bit Set the clutch mode between 1 and 11 and then turn the sleeve to the loose side left side while operating the clutch It should be easy now to loosen the sleeve 8 Automatic spindle lock mechanism This unit has automatic spindle lock mechanism for quick bit changes 9 Confirm that the battery is mounted correctly 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 16 The L and CR marks are provided on the body 11 Switch operation O When the trigger switch is depressed the tool rotates When the trigger is released the tool stops O 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 A buzzing noise is produced when the motor is about to rotate This is only a noise not a machine failure MAINTENANCE AND INSPECTION 1 Inspecting the tool Since use of as dull tool will degrade efficiency and cause possible motor malfunction sharpen or replace the tool as soon as abrasion is noted

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