Hitachi FDV16VB2NV [7/44] How to use
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Hitachi FDV16VB2NV [7/44] How to use

Hitachi FDV16VB2NV [7/44] How to use
6
English
The L-side of the push button is pushed to turn the bit
counterclockwise.
(The
L
and
R
marks are provided on the body.)
CAUTION
䡬 Never change the direction of bit rotation during
operation.
Turn the power switch OFF before changing the
direction of bit rotation; otherwise, the motor will
burn.
䡬 Always use with clockwise rotation, when using it
as an impact drill.
9. IMPACT to ROTATION changeover (Fig. 5)
The impact drill can be switched from IMPACT (impact
plus rotation) to ROTATION (rotation only) by simply
sliding the change lever. When boring concrete, stone,
tile or similar board materials, slide the change lever
right. The drill head impacts against the material
while continuing to rotate.
When boring metal, wood or plastic, slide the change
lever fully to the left. The drill simply rotates as an
ordinary electric drill.
CAUTION
Do not use the impact drill in the IMPACT mode if the
material can be bored by rotation only. Such action
will not only reduce drill efficiency, but may also
damage the drill tip.
When changing over, ensure the change lever is slid
as far as it will go.
HOW TO USE
1. Pressure
Drilling will NOT be accelerated by placing heavy
pressure on the drill. Such action will only result in a
damaged drill bit, decreased drilling efficiency and/
or shortened service life of the drill.
2. Using a large diameter drill bit
The larger the drill bit diameter, the larger the reactive
force on your arm. Be careful not to lose control of
the drill because of this reactive force. To maintain
firm control, establish a good foothold, hold the drill
tightly with both hands, and ensure that the drill is
vertical to the material being drilled.
3. When drilling completely through the material
When the drill bit bores completely through the
material, careless handling often results in a broken,
drill bit or damage to the drill body itself due to the
sudden movement of the drill. Always be alert and
ready to release pushing force when drilling through
the material.
4. Switch operation
䡬 When the trigger 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.
䡬 The desired rotation speed can be pre-selected with
the speed control dial.
Turn the speed control dial clockwise for higher speed
and counterclockwise for lower speed (Fig. 6).
䡬 Pulling the trigger and pushing the stopper, it keeps
the switched-on condition which is convenient for
continuous running. When switching off, the stopper
can be disconnected by pulling the trigger again.
CAUTION
Drill at a maximum rotation speed when drilling
wooden materials.
5. When driving wood screws
(1) Selecting a suitable driver bit
Employ plus-head screws, if possible, since the driver
bit easily slips off the heads of minus-head screws.
(2) Driving in wood screws
䡬 Prior to driving in wood screws, make holes suitable
for them on the wooden board. Apply the bit to the
screw head grooves and gently drive the screws into
the holes.
䡬 After rotating the screwdriver at low speed for a
while until a wood screw is partly driven into the
wood, squeeze the trigger more strongly to obtain
optimum driving force.
CAUTION
䡬 Exercise care in preparing a hole suitable for the
wood screws taking the hardness of the wood into
consideration.
Should the hole be excessively small or shallow,
requiring much power to drive the screw into it, the
thread of the wood screw may sometimes be
damaged.
䡬 Do not drive machine screws.
MAINTENANCE AND INSPECTION
1. Inspection the drill bit
Continued use of a worn and/or damaged drill bit will
result in reduced drilling efficiency and may seriously
overload the drill motor. Inspect the drill bit often and
replace it with a new bit as necessary.
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. Servicing
Consult an authorized Service Center in the event of
power tool failure.
5. Service parts list
A: Item No.
B: Code No.
C: No. Used
D: Remarks
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.
MODIFICATION
Hitachi Power Tools are constantly being improved
and modified to incorporate the latest technological
advancements.
Accordingly, some parts (i.e. code numbers and/or
design) may be changed without prior notice.
01Eng_FDV16VB2_EE 11/4/08, 19:276

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English The L side of the push button is pushed to turn the bit counterclockwise The L and R marks are provided on the body CAUTION O Never change the direction of bit rotation during operation Turn the power switch OFF before changing the direction of bit rotation otherwise the motor will burn O Always use with clockwise rotation when using it as an impact drill 9 IMPACT to ROTATION changeover Fig 5 The impact drill can be switched from IMPACT impact plus rotation to ROTATION rotation only by simply sliding the change lever When boring concrete stone tile or similar board materials slide the change lever right The drill head impacts against the material while continuing to rotate When boring metal wood or plastic slide the change lever fully to the left The drill simply rotates as an ordinary electric drill CAUTION Do not use the impact drill in the IMPACT mode if the material can be bored by rotation only Such action will not only reduce drill efficiency but may also damage the drill tip When changing over ensure the change lever is slid as far as it will go HOW TO USE 1 Pressure Drilling will NOT be accelerated by placing heavy pressure on the drill Such action will only result in a damaged drill bit decreased drilling efficiency and or shortened service life of the drill 2 Using a large diameter drill bit The larger the drill bit diameter the larger the reactive force on your arm Be careful not to lose control of the drill because of this reactive force To maintain firm control establish a good foothold hold the drill tightly with both hands and ensure that the drill is vertical to the material being drilled 3 When drilling completely through the material When the drill bit bores completely through the material careless handling often results in a broken drill bit or damage to the drill body itself due to the sudden movement of the drill Always be alert and ready to release pushing force when drilling through the material 4 Switch operation O When the trigger 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 O The desired rotation speed can be pre selected with the speed control dial Turn the speed control dial clockwise for higher speed and counterclockwise for lower speed Fig 6 O Pulling the trigger and pushing the stopper it keeps the switched on condition which is convenient for continuous running When switching off the stopper can be disconnected by pulling the trigger again CAUTION Drill at a maximum rotation speed when drilling wooden materials 5 When driving wood screws 1 Selecting a suitable driver bit Employ plus head screws if possible since the driver bit easily slips off the heads of minus head screws 2 Driving in wood screws O Prior to driving in wood screws make holes suitable for them on the wooden board Apply the bit to the screw head grooves and gently drive the screws into the holes O After rotating the screwdriver at low speed for a while until a wood screw is partly driven into the wood squeeze the trigger more strongly to obtain optimum driving force CAUTION O Exercise care in preparing a hole suitable for the wood screws taking the hardness of the wood into consideration Should the hole be excessively small or shallow requiring much power to drive the screw into it the thread of the wood screw may sometimes be damaged O Do not drive machine screws MAINTENANCE AND INSPECTION 1 Inspection the drill bit Continued use of a worn a nd or damaged drill bit will result in reduced drilling efficiency and may seriously overload the drill motor Inspectthe drill bit often and replace it with a new bit as necessary 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 Servicing Consult an authorized Service Center in the event of power tool failure 5 Service parts list A Item No B Code No C No Used D Remarks 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 MODIFICATION Hitachi Power Tools are constantly being improved and modified to incorporate the latest technological advancements Accordingly some parts i e code numbers and or design may be changed without prior notice R

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