Hitachi DS18DBLTL [15/108] English
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Hitachi DS18DBLTL [15/108] English

Hitachi DS18DBLTL [15/108] English
English
14
10. 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. 14)
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 ect. (See Fig. 14)
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.
11. Automatic spindle-lock mechanism
This unit has automatic spindle-lock mechanism for
quick bit changes.
12. Confirm that the battery is mounted correctly
13. Check the rotational direction
The bit rotates clockwise (viewed from the rear side)
by pushing the R-side of the push button.
The L-side of the push button is pushed to turn the bit
counterclockwise. (See Fig. 15) (The
L
and
R
marks
are provided on the push button.)
14. Switch operation
When the trigger switch is depressed, the tool rotates.
When the trigger is released, the tool stops.
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.
15. Installing/Removing the side handle
CAUTION
Firmly install the side handle. If loose, the side handle
may gyrate or fall out and cause bodily injury.
(1) Install the side handle so that the protrusions on the
main unit and grooves on the side handle interlock.
Tighten the grip after checking that the side handle is
not riding on the slip prevention protrusion (Fig. 16).
(2) Loosen the grip to remove the side handle.
OPERATIONAL CAUTIONS
1. Resting the unit after continuous work
(1) The power tool is equipped with a temperature
protection circuit to protect the motor.
Continuous bolt-tightening work may cause the
temperature of the unit to rise, activating the
temperature protection circuit and automatically
stopping operation.
If this happens, allow the power tool to cool before
resuming use.
(2) After use for continuous tightening wood screw
works, rest the unit for 15 minutes or so when
replacing the battery. The temperature of the motor,
switch, etc., will rise if the work is started again
immediately after battery replacement, eventually
resulting in burnout.
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.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure
that they are properly tightened. Should any of the
screws be loose, retighten them immediately. Failure
to do so could result in serious hazard.
3. Maintenance of the motor
The motor unit winding is the very “heart” of the
power tool.
Exercise due care to ensure the winding does not
become damaged and/or wet with oil or water.
4. Cleaning on the outside
When the driver drill is stained, wipe with a soft dry
cloth or a cloth moistened with soapy water. Do not
use chloric solvents, gasoline or paint thinner, for
they melt plastics.
5. Storage
Store the driver drill in a place in which the tempera
ture is less than 40°C and out of reach of children.
6. Service parts list
CAUTION:
Repair, modification and inspection of Hitachi Power
Tools must be carried out by a Hitachi Authorized
Service Center.
This Parts List will be helpful if presented with the
tool to the Hitachi Authorized Service Center when
requesting repair or other maintenance.
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
MODIFICATIONS:
Hitachi Power Tools are constantly being improved
and modified to incorporate the latest technological
advancements.
Accordingly, some parts may be changed without
prior notice.
01Eng_DS14DBL_EE 09/7/2, 20:5814

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English 10 Mounting and dismounting of the bit 11 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 14 O 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 ect See Fig 14 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 O 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 11 Automatic spindle lock mechanism This unit has automatic spindle lock mechanism for quick bit changes 12 Confirm that the battery is mounted correctly 13 Check the rotational direction The bit rotates clockwise viewed from the rear side by pushing the R side of the push button The L side of the push button is pushed to turn the bit counterclockwise See Fig 15 The L and R marks are provided on the push button 14 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 O A buzzing noise is produced when the motor is about to rotate This is only a noise not a machine failure 15 Installing Removing the side handle CAUTION O Firmly install the side handle If loose the side handle may gyrate or fall out and cause bodily injury 1 Install the side handle so that the protrusions on the main unit and grooves on the side handle interlock Tighten the grip after checking that the side handle is not riding on the slip prevention protrusion Fig 16 2 Loosen the grip to remove the side handle OPERATIONAL CAUTIONS 1 Resting the unit after continuous work 1 The power tool is equipped with a temperature protection circuit to protect the motor Continuous bolt tightening work may cause the temperature of the unit to rise activating the temperature protection circuit and automatically stopping operation If this happens allow the power tool to cool before resuming use 2 After use for continuous tightening wood screw works rest the unit for 15 minutes or so when replacing the battery The temperature of the motor switch etc will rise if the work is started again immediately after battery replacement eventually resulting in burnout 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 2 Inspecting the mounting screws Regularly inspect all mounting screws and ensure that they are properly tightened Should any of the screws be loose retighten them immediately Failure to do so could result in serious hazard 3 Maintenance of the motor The motor unit winding is the very heart of the power tool Exercise due care to ensure the winding does not become damaged and or wet with oil or water 4 Cleaning on the outside When the driver drill is stained wipe with a soft dry cloth or a cloth moistened with soapy water Do not use chloric solvents gasoline or paint thinner for they melt plastics 5 Storage Store the driver drill in a place in which the tempera ture is less than 40 C and out of reach of children 6 Service parts list CAUTION Repair modification and inspection of Hitachi Power Tools must be carried out by a Hitachi Authorized Service Center This Parts List will be helpful if presented with the tool to the Hitachi Authorized Service Center when requesting repair or other maintenance In the operation and maintenance of power tools the safety regulations and standards prescribed in each country must be observed MODIFICATIONS Hitachi Power Tools are constantly being improved and modified to incorporate the latest technological advancements Accordingly some parts may be changed without prior notice 14

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