Read through carefully and understand these instructions before use.
Page 2
1
1
6
1
4
3
9
7
〈UM 22VYST〉
8
0
2
4
3
6
5
〈UM 16VST2〉
〈UM 12VST2〉
2
2
4
3
2
2
1
1
8
7
!
2
1
5
2
1
〈UM 22VYST〉
〈UM 16VST2〉
%
$
〈UM 22VYST〉
2
$
%
#
$
or
〈UM 16VST2 / UM 12VST2〉
!
@
or
〈UM 12VST2〉
$
5
Page 3
3
6
4
4
4
Lock
+ 2 =
1
3
2
1
4
2
1
1
+ 2 =
56
2
3
Page 4
English
GENERAL POWER TOOL SAFETY WARNINGS
WARNING
Read all safety warnings, instructions, illustrations and
specifi cations provided with this power tool.
Failure to follow all instructions listed below may result in
electric shock, fi re and/or serious injury.
Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to your mainsoperated (corded) power tool or battery-operated (cordless)
power tool.
1) Work area safety
a) Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
b) Do not operate power tools in explosive
atmospheres, such as in the presence of
fl ammable liquids, gases or dust.
Power tools create sparks which may ignite the dust
or fumes.
c) Keep children and bystanders away while
operating a power tool.
Distractions can cause you to lose control.
2) Electrical safety
a) Power tool plugs must match the outlet. Never
modify the plug in any way. Do not use any
adapter plugs with earthed (grounded) power
tools.
Unmodifi ed plugs and matching outlets will reduce
risk of electric shock.
b) Avoid body contact with earthed or grounded
surfaces, such as pipes, radiators, ranges and
refrigerators.
There is an increased risk of electric shock if your
body is earthed or grounded.
c) Do not expose power tools to rain or wet
conditions.
Water entering a power tool will increase the risk of
electric shock.
d) Do not abuse the cord. Never use the cord for
carrying, pulling or unplugging the power tool.
Keep cord away from heat, oil, sharp edges or
moving parts.
Damaged or entangled cords increase the risk of
electric shock.
e) When operating a power tool outdoors, use an
extension cord suitable for outdoor use.
Use of a cord suitable for outdoor use reduces the
risk of electric shock.
f) If operating a power tool in a damp location
is unavoidable, use a residual current device
(RCD) protected supply.
Use of an RCD reduces the risk of electric shock.
3) Personal safety
a) Stay alert, watch what you are doing and use
common sense when operating a power tool.
Do not use a power tool while you are tired
or under the infl uence of drugs, alcohol or
medication.
A moment of inattention while operating power tools
may result in serious personal injury.
b) Use personal protective equipment. Always
wear eye protection.
Protective equipment such as a dust mask, non-skid
safety shoes, hard hat or hearing protection used for
appropriate conditions will reduce personal injuries.
c) Prevent unintentional starting. Ensure the
switch is in the off -position before connecting to
power source and/or battery pack, picking up or
carrying the tool.
Carrying power tools with your fi nger on the switch or
energising power tools that have the switch on invites
accidents.
d) Remove any adjusting key or wrench before
turning the power tool on.
A wrench or a key left attached to a rotating part of the
power tool may result in personal injury.
e) Do not overreach. Keep proper footing and
balance at all times.
This enables better control of the power tool in
unexpected situations.
f) Dress properly. Do not wear loose clothing or
jewellery. Keep your hair and clothing away from
moving parts.
Loose clothes, jewellery or long hair can be caught in
moving parts.
g) If devices are provided for the connection of
dust extraction and collection facilities, ensure
these are connected and properly used.
Use of dust collection can reduce dust-related
hazards.
h) Do not let familiarity gained from frequent use
of tools allow you to become complacent and
ignore tool safety principles.
A careless action can cause severe injury within a
fraction of a second.
4) Power tool use and care
a) Do not force the power tool. Use the correct
power tool for your application.
The correct power tool will do the job better and safer
at the rate for which it was designed.
b) Do not use the power tool if the switch does not
turn it on and off .
Any power tool that cannot be controlled with the
switch is dangerous and must be repaired.
c) Disconnect the plug from the power source and/
or remove the battery pack, if detachable, from
the power tool before making any adjustments,
changing accessories, or storing power tools.
Such preventive safety measures reduce the risk of
starting the power tool accidentally.
d) Store idle power tools out of the reach of children
and do not allow persons unfamiliar with the
power tool or these instructions to operate the
power tool.
Power tools are dangerous in the hands of untrained
users.
e) Maintain power tools and accessories. Check
for misalignment or binding of moving parts,
breakage of parts and any other condition
that may aff ect the power toolʼs operation. If
damaged, have the power tool repaired before
use.
Many accidents are caused by poorly maintained
power tools.
f) Keep cutting tools sharp and clean.
Properly maintained cutting tools with sharp cutting
edges are less likely to bind and are easier to control.
g) Use the power tool, accessories and tool bits
etc. in accordance with these instructions,
taking into account the working conditions and
the work to be performed.
Use of the power tool for operations diff erent from
those intended could result in a hazardous situation.
4
Page 5
English
h) Keep handles and grasping surfaces dry, clean
and free from oil and grease.
Slippery handles and grasping surfaces do not allow
for safe handling and control of the tool in unexpected
situations.
5) Service
a) Have your power tool serviced by a qualifi ed
repair person using only identical replacement
parts.
This will ensure that the safety of the power tool is
maintained.
PRECAUTION
Keep children and infi rm persons away.
When not in use, tools should be stored out of reach of
children and infi rm persons.
MIXER SAFETY INSTRUCTIONS
a) Hold the tool with both hands at the intended
handles. (Fig. 6)
Loss of control can cause personal injury.
b) Ensure suffi cient ventilation when mixing fl ammable
materials to avoid a hazardous atmosphere.
Developing vapour may be inhaled or be ignited by the
sparks the power tool produces.
c) Do not mix food.
Power tools and their accessories are not designed for
processing food.
d) Keep the cord away from the working area.
The cord may be entangled by the mixer basket.
e) Ensure that the mixing container is placed in a fi rm
and secure position.
A container that is not properly secured may move
unexpectedly.
f) Ensure that no liquid splashes against the housing
of the power tool.
Liquid that has penetrated the power tool can cause
damage and lead to electric shock.
g) Follow the instructions and warnings for the
material to be mixed.
Material to be mixed may be harmful.
h) If the power tool falls into the material to be mixed,
unplug the tool immediately and have the power
tool checked by a qualifi ed repair person.
Reaching into the bucket with the tool still plugged in can
lead to electric shock.
i) Do not reach into the mixing container with your
hands or insert any other objects into it while
mixing.
Contact with the mixer basket may lead to serious
personal injury.
j) Start up and run down the tool in the mixing
container only.
The mixer basket may bend or spin in an uncontrolled
manner.
PRECAUTIONS ON USING THE MACHINE
1. Do not use the power tool for explosive materials
(e. g., easily infl ammable solvents).
Power tools produce sparks which could ignite
developing vapours.
2. In case the power tool should fall into the material
to be stirred, pull the plug immediately and have the
power tool checked by an after-sales service agent.
Material that has penetrated the power tool can cause
damage and lead to an electric shock.
3. When working with the machine, always hold it
fi rmly with both hands and provide for a secure
stance.
The power tool is guided more secure with both hands.
4. Do not work materials containing asbestos.
Asbestos is considered carcinogenic.
5. Take protective measures when dust can develop
during working that is harmful to one's health,
combustible or explosive.
Example: Some dusts are regarded as carcinogenic.
Wear a dust mask and work with dust/chip extraction
when connectable.
6. Always wait until the machine has come to a
complete stop before placing it down.
The tool insert can jam and lead to loss of control over the
power tool.
7. Never use the machine with a damaged cable. Do
not touch the damaged cable and pull the mains
plug when the cable is damaged while working.
Damaged cables increase the risk of an electric shock.
8. When operating a mixer with wet material avoid
splashes up to the motor part.
9. Connect machines that are used in the open via a
residual current device (RCD).
NAMES OF PARTS (Fig. 1 – Fig. 6)
Brush cap
1
Speed control dial
2
Lock for ON
3
Trigger
4
Stirrer paddle
5
Gear shift dial
6
Stirrer (L)
7
Stirrer (R)
8
Nut (L)
9
Nut (R)
0
Extension bar
!
(18.5 mm)
Spindle
@
Wrench (19 mm)
#
Wrench (22 mm)
$
Wrench (28 mm)
%
5
Page 6
English
SYMBOLS
WARNING
The following show symbols used for the machine.
Be sure that you understand their meaning before
use.
UM 22VYST / UM 16VST2 / UM 12VST2:
Mixer
To reduce the risk of injury, user must read
instruction manual.
* Be sure to check the nameplate on product as it is subject to change by areas.
Electronic control
○ Soft start
Reduces recoil against the operator by managing the number of rotations during startup.
○ 0 Voltage Re-start Protection
The 0 voltage restart protection feature prevents the power tool from restarting after the power has been temporarily cut
off during operation.
○ Variable speed
○ Overload protection
This protection feature cuts off the power to the motor in the event of overloading of motor or a conspicuous reduction in
rotational speed during operation.
When the overload protection feature has been activated, the motor may stop.
In this case, release the tool switch and eliminate causes of overloading.
After that you can use it again.
NOTE
Due to HiKOKI’s continuing program of research and development, the specifi cations herein are subject to change
without prior notice.
STANDARD ACCESSORIES
UM 22VYST UM 16VST2 UM 12VST2
Stirrer
paddle (mm)
Extension
bar (mm)
Standard accessories are subject to change without notice.
∅ 135 × 2∅ 160 × 1∅ 120 × 1
—L185—
APPLICATIONS
Mixing pulverised building materials such as mortar,
plaster, adhesives, as well as solvent-free paint, varnish
and similar substances.
6
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms
to the power requirements specifi ed on the product
nameplate.
2. Trigger
Ensure that the trigger is in the OFF position. If the plug
is connected to a receptacle while the trigger 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 suffi cient thickness and rated
capacity. The extension cord should be kept as short as
practicable.
Page 7
English
4. Mounting and dismounting of the stirrer paddle
(Fig. 2)
CAUTION
To avoid serious accident, ensure the trigger is in the
OFF position, and the power source is disconnected.
Disconnect the mains plug!
(1) Screw the stirrer paddle onto the spindle. Hold the
spindle in place with wrench and turn the stirrer paddle
with another wrench in the clockwise direction (viewed
from the front side). Tighten securely.
A wrench with the measurements below is required.
⎡UM 22VYST: 22 mm, 28 mm ⎤
⎢UM 16VST2: 22 mm × 2, 19 mm (for extension bar) ⎥
⎣UM 12VST2: 22 mm × 2 ⎦
(2) The stirrer paddle is disassembled in reverse order.
5. High-speed/Low-speed changeover
Prior to changing speed, ensure that the trigger is in the
OFF position, and the machine has come to a complete
stop.
To change speed, rotate the gear shift dial as indicated
by the arrow in Fig. 3. The numeral “1” engraved on
the machine body denotes low speed, the numeral “2”
denotes high speed.
If it is hard to turn the gear shift dial, turn the spindle
slightly in either direction and then turn the gear shift dial
again.
HOW TO USE
1. Switch operation (Fig. 4)
○ When the trigger is depressed, the tool rotates. When the
trigger is released, the tool stops.
○ Pulling the trigger and pushing the Lock for ON, it keeps
the switched-on condition which is convenient for
continuous running. When switching off , the Lock for ON
can be disconnected by pulling the trigger again.
2. Adjusting the speed (Fig. 5)
The desired rotation speed can be pre-selected with the
speed control dial.
CAUTION
When replacing the new carbon brushes, always use
genuine HiKOKI carbon brushes with the number
specifi ed in the drawing.
5. Replacing carbon brushes
Disassemble the brush caps with a slotted-head
screwdriver. The carbon brushes can then be easily
removed. Contact the HiKOKI Authorized Service Center
when repurchasing carbon brushes.
6. Replacing supply cord
If the supply cord of Tool is damaged, the Tool must be
returned to HiKOKI Authorized Service Center for the
cord to be replaced.
If it becomes necessary to replace the connecting cable,
then this is to be undertaken by the manufacturer or his
representative in order to avoid any safety risks.
CAUTION
In the operation and maintenance of power tools, the
safety regulations and standards prescribed in each
country must be observed.
MAINTENANCE AND INSPECTION
The plug must be fi rst pulled out before maintenance and
cleaning.
1. Storage and cleaning
When a mixer is not in use store it in dry locations the
motor part upwards.
When cleaning a mixer avoid entrance of any water or
liquid to the motor part.
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
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.. In addition, always keep carbon brushes clean and
ensue that they slide freely within the brush holders.