Hikoki w6v3 User manual

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W8VB
Item
No.
Part time
34 Internal Wire (B)
35 Carbon Brush
36 Brush Holder
37 Hook (A)
38 HITACHI Label
39 Earth Terminal
40 Connector (50091)
41 Internal Wire
42 Noise Suppressor
43 Noise Suppressor
44
Tapping Screw (W/Flange)
D4×16
45 Cord Clip
46 Cord Armor
47 Tube (D)
48 Cord
501 + Driver Bit (A) No.2 25L
502 Magnetic Bit Holder
Parts are subject to possible modification
without notice due to improvements.
The drawing and the list are parts
structural drawing and parts list of model
W8VB.
For other models refer to the drawing and
the list.
Item
No.
Part time
W8VB The exploded assembly drawing should be used only for authoized service center.
1 Magnetic Hex. Socket
2 Sub Stopper
3 O-Ring (S-16)
4 Locator (A)
5 Lock Sleeve (A)
6 O-Ring (S-28)
7 Fringer (A)
8 O-Ring (F)
9
Tapping Screw (W/Flange)
D4×40
10 Gear Cover Ass'y
11 Set Ring
12 Socket (B) Ass'y
13 Steel Ball D3.175
14 Spring
15 Gear Ass'y
16 Gear Shaft
17 Ball Bearing (608VVMC2EPS2L)
18 Washer (A)
19 Ball Bearing (608VVMC2EPS2L)
20 Second Pinion Ass'y
21 First Gear
22 Washer
23 Inner Cover Ass'y
24 Ball Bearing (608VVMC2EPS2L)
25 Armature
26 Fan Guide (B)
27 Tapping Screw D4×50
28 Stator
29 Housing. Handle Cover Set
30 Name Plate
31
Tapping Screw (W/Flange)
D4×20
32 Speed Control Switch
33 Internal Wire (A)
1
I
H
7
1
2
4
6
8
3
5
109
L R
41
2
1
34
5
6
7
8
9
;
A
B
C
D
E
F
G
J
K
D
C
C
A
1 – 1.5 mm
1.5 – 2 mm
1 – 1.5 mm
3
English
GENERAL OPERATIONAL PRECAUTIONS
WARNING! When using electric tools, basic safety
precautions should always be followed to reduce the
risk of fire, electric shock and personal injury, including
the following.
Read all these instructions before operating this product
and save these instructions.
For safe operations:
1. Keep work area clean. Cluttered areas and benches
invite injuries.
2. Consider work area environment. Do not expose
power tools to rain. Do not use power tools in
damp or wet locations. Keep work area well lit.
Do not use power tools where there is risk to cause
fire or explosion.
3. Guard against electric shock. Avoid body contact
with earthed or grounded surfaces. (e.g. pipes,
radiators, ranges, refrigerators).
4. Keep children away. Do not let visitors touch the
tool or extension cord. All visitors should be kept
away from work area.
5. Store idle tools. When not in use, tools should be
stored in a dry, high or locked up place, out of reach
of children.
6. Do not force the tool. It will do the job better and
safer at the rate for which it was intended.
7. Use the right tool. Do not force small tools or
attachments to do the job of a heavy duty tool. Do
not use tools for purposes not intended; for example,
do not use circular saw to cut tree limbs or logs.
8. Dress properly. Do not wear loose clothing or
jewelry, they can be caught in moving parts. Rubber
gloves and non-skid footwears are recommended
when working outdoors. Wear protecting hair
covering to contain long hair.
9. Use eye protection. Also use face or dust mask if
the cutting operation is dusty.
10. Connect dust extraction equipment.
If devices are provided for the connection of dust
extraction and collection facilities ensure these are
connected and properly used.
11. Do not abuse the cord. Never carry the tool by the
cord or yank it to disconnect it from the receptacle.
Keep the cord away from heat, oil and sharp edges.
12. Secure work. Use clamps or a vise to hold the work.
It is safer than using your hand and it frees both
hands to operate tool.
13. Do not overreach. Keep proper footing and balance
at all times.
14. Maintain tools with care. Keep cutting tools sharp
and clean for better and safer performance. Follow
instructions for lubrication and changing
accessories. Inspect tool cords periodically and if
damaged, have it repaired by authorized service
center. Inspect extension cords periodically and
replace, if damaged. Keep handles dry, clean, and
free from oil and grease.
15. Disconnect tools. When not in use, before servicing,
and when changing accessories such as blades,
bits and cutters.
16. Remove adjusting keys and wrenches. Form the
habit of checking to see that keys and adjusting
wrenches are removed from the tool before turning
it on.
17. Avoid unintentional starting. Do not carry a plugged-
in tool with a finger on the switch. Ensure switch is
off when plugging in.
18. Use outdoor extension leads. When tool is used
outdoors, use only extension cords intended for
outdoor use.
19. Stay alert. Watch what you are doing. Use common
sense. Do not operate tool when you are tired.
20. Check damaged parts. Before further use of the
tool, a guard or other part that is damaged should
be carefully checked to determine that it will operate
properly and perform its intended function. Check
for alignment of moving parts, free running of
moving parts, breakage of parts, mounting and any
other conditions that may affect its operation. A
guard or other part that is damaged should be
properly repaired or replaced by an authorized
service center unless otherwise indicated in this
handling instructions. Have defective switches
replaced by an authorized service center. Do not
use the tool if the switch does not turn it on and off.
21. Warning
The use of any accessory or attachment, other than
those recommended in this handling instructions,
may present a risk of personal injury.
22. Have your tool repaired by a qualified person.
This electric tool is in accordance with the relevant
safety requirements. Repairs should only be carried
out by qualified persons using original spare parts.
Otherwise this may result in considerable danger
to the user.
SPECIFICATIONS
Model W6V3 W6VA3 W6VB2 W8VB
Voltage (by areas)* (110V, 115V, 120V, 127V, 220V, 230V, 240V)
Power input* 600W
No-load speed 0 – 4000/min 0 – 2600/min 0 – 1700/min
Capacities 6 mm 8 mm
Bit shank size 6.35 mm Hex.
Weight (without cord) 1.3 kg 1.4 kg
* Be sure to check the nameplate on product as it is subject to change by areas.
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English
STANDARD ACCESSORIES
(1) No. 2 Plus bit .......................................... 1 (W6V3, W6VA3)
(2) Magnetic hex socket (H= 10 mm) ......... 1 (W6VB2, W8VB)
(3) Hook.....................................................................................1
Standard accessories are subject to change without
notice.
Magnetic bit holder
(Short type)
Magnetic bit holder
Non-magnetic bit bolder
Hex-socket Sub-Stopper (B)
Magnetic type
H = 6.35 mm
H = 7.94 mm
H = 9.53 mm
H = 10 mm
Non magnetic type
H = 6.35 mm
H = 7.94 mm
H = 9.53 mm
H = 10 mm
H 1/4
H 5/16
H 3/8
Bit type Sub-Stopper
2. For other screws
Bit holder
Screw
head
No.1
No.2
No.3
No.1
No.2
No.1
No.2
No.3
No.1
No.2
B Size
4 mm
5 mm
Sub-Stopper (A)
Sub-Stopper (C)
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms
to the power requirements specified on the product
nameplate.
2. Power switch
Ensure that the power switch is in the OFF position. If
the plug is connected to a receptacle while the power
switch is in the ON position, the power tool will start
operating immediately, inviting serious accident.
3. Extension cord
When the work area is removed from the power
source, use an extension cord of sufficient thickness
and rated capacity. The extension cord should be
kept as short as practicable.
3. Plastic case
Optional accessories are subject to change without
notice.
APPLICATIONS
Tightening hex-head screws
Tightening drywall screws, wood screws and self-
drilling screws.
OPTIONAL ACCESSORIES (sold separately)
1. For hex-head screws
4. Hook
5
English
4. Confirm the direction of bit rotation (Fig.1)
The bit rotates clockwise (viewed from the rear side)
when the reversing switch lever is set to the “R” side
position. When the lever is set to the “L” side position,
the bit rotates counterclockwise and can be used to
loosen and remove screws.
5. Adjusting the tightening depth (Fig.2)
Pull the lock sleeve in the direction of arrow to remove
it from the spline installed in the gear cover. While
pulling the lock sleeve and turning it right and left,
adjust the position of locator. Push the lock sleeve
and align the gear cover spline with the lock sleeve
spline.
The lock sleeve can be inserted onto the gear cover
spline and locked.
(1) For hex-head screws:
Mount a hex-head screw on the hex-socket and set
the distance between the sub-stopper end and the
screw head neck to 1–1.5 mm, as shown in Fig.3.
(2) For drywall screws:
Mount a drywall screw on the bit, and set the distance
between the sub-stopper end and the screw head to
1.5–2 mm, as shown in Fig.4.
(3) For cross-recessed self-drilling screws:
Mount a self-drilling screw on the bit, and set the
distance between the sub-stopper end and the screw
head bottom to 1–1.5 mm, as shown in Fig.5.
6. Mounting the bit
For details, refer to the item “Mounting and
dismounting the bit”.
MOUNTING AND DISMOUNTING THE HEX-
SOCKET OR THE BIT
1. Dismounting the hex-socket (Fig.6)
(1) While rotating the Sub-Stopper pull it out from the
locator.
(2) Remove the hex-socket, hold it with the opposite
side of bit by hand or vise and pull out the bit with
pliers.
2. Dismounting the bit (Fig.7)
Remove sub-stopper (A) as the same manner of hex-
head socket and remove the bit holder, then pull out
the bit with pliers.
3. Dismounting the bit (Fig.8)
Remove the sub-stopper (C) as the same manner of
hex-head socket and remove the bit holder, then pull
out the bit with pliers.
4. Mounting the hex-socket or the bit
Install the bit in the reverse order to removal.
HOW TO USE THE SCREW DRIVER
1. Switch operation and rotational speed
adjustment
Bit rotational speed can be adjusted between 0–4000/
min (W6V3) or 0–2600/min (W6VA3, W6VB2) or 0–
1700/min (W8VB) varying the degree by which the
trigger switch is pulled. Rotational speed increases
as the trigger switch is pulled, and reaches a
maximum speed of 4000/min (W6V3) or 2600/min
(W6VA3, W6VB2) or 1700/min (W8VB) when the
trigger switch is pulled fully.
To facilitate continuous operation, pull the trigger
switch and depress the switch stopper. The switch
will then remain ON even when the finger is released.
By pulling the trigger switch again, the switch stopper
disengages and the switch is turned OFF when the
trigger switch is released.
2. Screw Driver operation
When the switch is turned ON, the motor starts to run
but the hex-socket (or the bit) does not rotate. Attach
the hex-socket to the screw head groove, and push
the Screw Driver against the screw. The hex-socket
then rotates and tightens the screw.
CAUTION
Ensure that the Screw Driver is held truly
perpendicular to the head of the screw.
If held at an angle, the driving force will not be fully
transferred to the screw, and the screw head and/or
hex-socket will be damaged. Hex-socket rotation stops
when pushing force is released.
3. Direction of hex-socket rotation
The hex-socket rotates clockwise (viewed from the
rear side) when the reversing switch lever is set to
the “R” side position. When the lever is set to the “L”
side position, the hex-socket rotates counter-
clockwise, and can be used to loosen and remove
screws.
CAUTION
Never change the direction of hex-socket (or bit
holder) rotation while the motor is running. To do so
would seriously damage the motor. Turn the power
switch OFF before changing the direction of hex-
socket (or bit holder) rotation.
MAINTENANCE AND INSPECTION
1. Inspecting the hex-socket (or bit)
Since continued use of a worn hex-socket (bit) will
damage screw heads, replace the hexsocket (bit) with
a new one as soon as excessive wear is noticed.
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. Inspecting the carbon brushes (Fig.9)
The motor employs carbon brushes which are
consumable parts. Since an excessively worn carbon
brush can result in motor trouble, replace the carbon
brushes with new ones having the same carbon brush
No. shown in the figure when they become worn to
or near the “wear limit”. In addition, always keep
carbon brushes clean and ensure that they slide freely
within the brush holders.
5. Replacing carbon brushes (Fig.10)
Disassembly:
(1) Loosen the three screws, and remove the handle
cover.
(2) Lift the brush holder gently with a screwdriver or the
like, and remove it from the housing while depressing
the carbon brush, as shown in Fig.9. Be careful not to
excessively pull the lead wire.
6
English
(3) Remove the carbon brushes from the brush holders.
Assembly
(1) Insert the new carbon brushes into the brush holders.
(2) Insert the brush holders together with the carbon
brushes into the brush holder chambers in the
housing.
(3) Ensure that the lead wire and other parts are properly
positioned, and that there is no possibility of the lead
wire coming in contact with the armature or other
moving parts.
(4) Reinstall the handle cover while ensuring that the
internal wiring does not become pinched between
the handle cover and the housing, and secure the
handle cover with the three screws.
CAUTIONS
Be sure to follow the above assembly procedures
exactly. Should the internal wiring contact the
armature or become pinched between the handle
cover and housing, a serious risk of electric shock to
the operator would be created.
Do not tamper with parts other than those necessary
to effect carbon brush replacement.
NOTE
Due to HITACHI’s continuing program of research and
development, the specifications herein are subject to
change without prior notice.
11
212
Code No. C99099632 N
Printed in Japan
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