Makita DVR340 User manual

INSTRUCTION MANUAL
Cordless Concrete Vibrator
DVR340
DVR350
DVR440
DVR450
DVR850
ENGLISH: Original instructions
Read before use.

2ENGLISH
SPECIFICATIONS
Model DVR340 DVR440 DVR350 DVR450 DVR850
Vibrations per minute (min-1)12,500 12,500 13,000 13,000 12,500
Vibration amplitude 1.0 mm
Vibration head (diameter x length) 25 mm x 221 mm
Flexible shaft assembly length 800 mm 1,200 mm 800 mm 1,200 mm 2,400 mm
Overall length 1,083 mm 1,483 mm 1,083 mm 1,483 mm 2,683 mm
Net weight 3.1 kg 3.6 kg 3.0 kg 3.5 kg 5.2 kg
Rated voltage D.C. 14.4 V D.C. 18 V
• Due to our continuing program of research and development, the specications herein are subject to change with-
out notice.
• Specications and battery cartridge may differ from country to country.
• Weight, with battery cartridge, according to EPTA-Procedure 01/2003
Symbols
The following show the symbols used for the equip-
ment. Be sure that you understand their meaning before
use.
Read instruction manual.
Do not use the tool in the rain.
Do not clean the tool with water.
Cd
Ni-MH
Li-ion
Only for EU countries
Do not dispose of electric equipment or
battery pack together with household waste
material!
In observance of the European Directives,
on Waste Electric and Electronic
Equipment and Batteries and Accumulators
and Waste Batteries and Accumulators
and their implementation in accordance
with national laws, electric equipment and
batteries and battery pack(s) that have
reached the end of their life must be col-
lected separately and returned to an envi-
ronmentally compatible recycling facility.
Intended use
The tool is intended for removing bubbles from concrete
when casting concrete.
Noise
The typical A-weighted noise level determined accord-
ing to EN60745:
Model DVR350
Sound pressure level (LpA) : 74 dB (A)
Uncertainty (K) : 3 dB (A)
The noise level under working may exceed 80 dB (A).
Model DVR450, DVR850
Sound pressure level (LpA) : 70 dB(A) or less
Uncertainty (K) : 3 dB(A)
The noise level under working may exceed 80 dB(A)
Wear ear protection
Vibration
The vibration total value (tri-axial vector sum) deter-
mined according to EN60745:
Model DVR350
Work mode : operation without load
Vibration emission (ah) : 3.0 m/s2
Uncertainty (K) : 1.5 m/s2
Model DVR450, DVR850
Work mode : operation without load
Vibration emission (ah) : 2.5 m/s2or less
Uncertainty (K) : 1.5 m/s2
NOTE: The declared vibration emission value has
been measured in accordance with the standard test
method and may be used for comparing one tool with
another.
NOTE: The declared vibration emission value
may also be used in a preliminary assessment of
exposure.
WARNING: The vibration emission during actual
use of the power tool can differ from the declared
emission value depending on the ways in which the
tool is used.
WARNING: Be sure to identify safety measures
to protect the operator that are based on an estima-
tion of exposure in the actual conditions of use (taking
account of all parts of the operating cycle such as
the times when the tool is switched off and when it is
running idle in addition to the trigger time).
EC Declaration of Conformity
For European countries only
The EC declaration of conformity is included as Annex A
to this instruction manual.
General Power Tool Safety Warnings
WARNING Read all safety warnings and all
instructions. Failure to follow the warnings and instruc-
tions may result in electric shock, re and/or serious
injury.

3ENGLISH
Save all warnings and instruc-
tions for future reference.
The term "power tool" in the warnings refers to your
mains-operated (corded) power tool or battery-operated
(cordless) power tool.
Work area safety
1. Keep work area clean and well lit. Cluttered or
dark areas invite accidents.
2. Do not operate power tools in explosive atmo-
spheres, such as in the presence of ammable
liquids, gases or dust. Power tools create sparks
which may ignite the dust or fumes.
3. Keep children and bystanders away while
operating a power tool. Distractions can cause
you to lose control.
Electrical safety
4. 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. Unmodied plugs and matching outlets will
reduce risk of electric shock.
5. Avoid body contact with earthed or grounded
surfaces such as pipes, radiators, ranges and
refrigerators. There is an increased risk of elec-
tric shock if your body is earthed or grounded.
6. Do not expose power tools to rain or wet con-
ditions. Water entering a power tool will increase
the risk of electric shock.
7. 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.
8. 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.
9. If operating a power tool in a damp location is
unavoidable, use a ground fault circuit inter-
rupter (GFCI) protected supply. Use of an GFCI
reduces the risk of electric shock.
Personal safety
10. 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 inuence of drugs, alcohol or med-
ication. A moment of inattention while operating
power tools may result in serious personal injury.
11. Use personal protective equipment. Always
wear eye protection. Protective equipment such
as dust mask, non-skid safety shoes, hard hat, or
hearing protection used for appropriate conditions
will reduce personal injuries.
12. 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 nger on the switch or energising power tools
that have the switch on invites accidents.
13. 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.
14. Do not overreach. Keep proper footing and
balance at all times. This enables better control
of the power tool in unexpected situations.
15. Dress properly. Do not wear loose clothing or
jewellery. Keep your hair, clothing, and gloves
away from moving parts. Loose clothes, jewel-
lery or long hair can be caught in moving parts.
16. 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.
Power tool use and care
17. 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.
18. 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.
19. Disconnect the plug from the power source
and/or the battery pack from the power tool
before making any adjustments, changing
accessories, or storing power tools. Such pre-
ventive safety measures reduce the risk of starting
the power tool accidentally.
20. Store idle power tools out of the reach of chil-
dren 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.
21. Maintain power tools. Check for misalignment
or binding of moving parts, breakage of parts
and any other condition that may affect the
power tool’s operation. If damaged, have the
power tool repaired before use. Many accidents
are caused by poorly maintained power tools.
22. Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges
are less likely to bind and are easier to control.
23. Use the power tool, accessories and tool bits
etc. in accordance with these instructions, tak-
ing into account the working conditions and
the work to be performed. Use of the power tool
for operations different from those intended could
result in a hazardous situation.
Battery tool use and care
24. Recharge only with the charger specied by
the manufacturer. A charger that is suitable for
one type of battery pack may create a risk of re
when used with another battery pack.
25. Use power tools only with specically desig-
nated battery packs. Use of any other battery
packs may create a risk of injury and re.
26. When battery pack is not in use, keep it away
from other metal objects, like paper clips,
coins, keys, nails, screws or other small metal
objects, that can make a connection from one
terminal to another. Shorting the battery termi-
nals together may cause burns or a re.
27.
Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact acci-
dentally occurs, ush with water. If liquid con-
tacts eyes, additionally seek medical help. Liquid
ejected from the battery may cause irritation or burns.

4ENGLISH
Service
28. Have your power tool serviced by a qualied
repair person using only identical replacement
parts. This will ensure that the safety of the power
tool is maintained.
29. Follow instruction for lubricating and chang-
ing accessories.
30. Keep handles dry, clean and free from oil and
grease.
CORDLESS CONCRETE VIBRATOR
SAFETY WARNINGS
1. Always keep your hands and face away from
vibrating head when operating.
2. Switch off the tool immediately if you notice
abnormal noise or something faulty during
operation.
3. Inspect the tool carefully for breakage, cracks
or deformation if you accidentally drop it or
strike it against something.
4. Do not carry the tool with nger on switch.
5. Do not set the tool down and switch it on. The
vibrating head may whip around out of control
and cause an accident.
6. Be careful not to allow water, wet concrete or
the like to get into the tool. Do not let the tool
fall into wet concrete.
7. Insert the vibrating head carefully between
iron/steel frames or reinforcing rods not to
come in contact with them.
8. Do not crush or twist the exible hose.
9. Do not overly bend the exible hose.
10. Use a wet cloth or the like to carefully wipe
off any wet concrete left on the tool after use.
Extra care should be given to thorough clean-
ing of the vents, switch area, cover openings,
etc.
11. Do not use the tool in the rain. Do not clean the
tool in water.
SAVE THESE INSTRUCTIONS.
WARNING: DO NOT let comfort or famil-
iarity with product (gained from repeated
use) replace strict adherence to safety
rules for the subject product. MISUSE or
failure to follow the safety rules stated in
this instruction manual may cause serious
personal injury.
Important safety instructions for
battery cartridge
1. Before using battery cartridge, read all instruc-
tions and cautionary markings on (1) battery
charger, (2) battery, and (3) product using
battery.
2. Do not disassemble battery cartridge.
3. If operating time has become excessively
shorter, stop operating immediately. It may
result in a risk of overheating, possible burns
and even an explosion.
4. If electrolyte gets into your eyes, rinse them
out with clear water and seek medical atten-
tion right away. It may result in loss of your
eyesight.
5. Do not short the battery cartridge:
(1) Do not touch the terminals with any con-
ductive material.
(2) Avoid storing battery cartridge in a con-
tainer with other metal objects such as
nails, coins, etc.
(3) Do not expose battery cartridge to water
or rain.
A battery short can cause a large current
ow, overheating, possible burns and even a
breakdown.
6. Do not store the tool and battery cartridge in
locations where the temperature may reach or
exceed 50 °C (122 °F).
7. Do not incinerate the battery cartridge even if
it is severely damaged or is completely worn
out. The battery cartridge can explode in a re.
8. Be careful not to drop or strike battery.
9. Do not use a damaged battery.
10. The contained lithium-ion batteries are subject
to the Dangerous Goods Legislation require-
ments.
For commercial transports e.g. by third parties,
forwarding agents, special requirement on pack-
aging and labeling must be observed.
For preparation of the item being shipped, consult-
ing an expert for hazardous material is required.
Please also observe possibly more detailed
national regulations.
Tape or mask off open contacts and pack up the
battery in such a manner that it cannot move
around in the packaging.
11. Follow your local regulations relating to dis-
posal of battery.
SAVE THESE INSTRUCTIONS.
CAUTION: Only use genuine Makita batteries.
Use of non-genuine Makita batteries, or batteries that
have been altered, may result in the battery bursting
causing res, personal injury and damage. It will
also void the Makita warranty for the Makita tool and
charger.
Tips for maintaining maximum
battery life
1. Charge the battery cartridge before completely
discharged. Always stop tool operation and
charge the battery cartridge when you notice
less tool power.
2. Never recharge a fully charged battery car-
tridge. Overcharging shortens the battery
service life.
3. Charge the battery cartridge with room tem-
perature at 10 °C - 40 °C (50 °F - 104 °F). Let
a hot battery cartridge cool down before
charging it.
4. Charge the battery cartridge if you do not use
it for a long period (more than six months).

5ENGLISH
FUNCTIONAL
DESCRIPTION
CAUTION:
• Always be sure that the tool is switched off and
the battery cartridge is removed before adjust-
ing or checking function on the tool.
Installing or removing battery
cartridge
1
2
► 1. Recessed part in the battery cartridge cover
2. Battery cartridge cover
1
2
3
4
► 1. Red part 2. Button 3. Battery cartridge 4. Cover
• Always switch off the tool before insertion or
removal of the battery cartridge.
•
To remove the battery cartridge, rst open the
battery cartridge cover. To open the cover, press
its recessed part and pivot it with the recessed part
depressed. And then withdraw it from the tool while
sliding the button on the front of the cartridge.
• To insert the battery cartridge, align the tongue on the
battery cartridge with the groove in the housing and
slip it into place. Always insert it all the way until it
locks in place with a little click. If you can see the red
part on the upper side of the button, it is not locked
completely. Insert it fully until the red part cannot be
seen. If not, it may accidentally fall out of the tool,
causing injury to you or someone around you.
• Do not use force when inserting the battery car-
tridge. If the cartridge does not slide in easily, it is
not being inserted correctly.
Indicating the remaining battery
capacity
Only for battery cartridges with the indicator
1
2
► 1. Indicator lamps 2. Check button
Press the check button on the battery cartridge to indi-
cate the remaining battery capacity. The indicator lamps
light up for few seconds.
Indicator lamps Remaining
capacity
Lighted Off Blinking
75% to 100%
50% to 75%
25% to 50%
0% to 25%
Charge the
battery.
The battery
may have
malfunctioned.
NOTE: Depending on the conditions of use and the
ambient temperature, the indication may differ slightly
from the actual capacity.

6ENGLISH
Switch action
1
► 1. Switch lever
CAUTION:
• Before inserting the battery cartridge into the
tool, always check to see that the switch lever
actuates properly and returns to the "OFF"
position when released.
To start the tool, simply pull the switch lever. Release
the switch lever to stop.
Switch lever can be pulled from either top or back side of the tool.
OPERATION
Hold the tool straight when inserting/operating. Use the tool
within the effective vibrations range at equidistant intervals.
The effective air bubble removal range is about ten times
diameter of the vibrating head, or around 250 mm.
Do not use this tool to move concrete within a form.
The mortar will just move away and the coarse aggre-
gate will remain, causing segregation.
Effective leveling and removal of air
bubbles
Removal of the air bubbles is complete after you have
worked the tool throughout each effective range, the
concrete stops shrinking, and the mortar has risen
evenly to the surface, giving off a light appearance.
Gently remove the operating tool not to leave holes.
NOTE:
• Vibrating too long in a single place causes
concrete segregation.
• When the coarse aggregates segregates when
placing concrete, shovel out the coarse aggre-
gate and put it where there is plenty of mortar.
Then use the tool on it. Don't leave coarse
aggregate in the segregated condition.
When concreting a slope site, always pour from the
bottom at the beginning. This way the weight of the
freshly poured concrete and vibration will lead to effec-
tive removal of air bubbles. Conversely, if the pouring
is done rst from above, the mortar will separate and
eventually slide to the bottom.
Slope
MAINTENANCE
CAUTION:
• Always be sure that the tool is switched off and
the battery cartridge is removed before attempt-
ing to perform inspection or maintenance.
• Never use gasoline, benzine, thinner, alcohol
or the like. Discoloration, deformation or cracks
may result.
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be per-
formed by Makita Authorized Service Centers, always
using Makita replacement parts.
OPTIONAL
ACCESSORIES
CAUTION:
• These accessories or attachments are recom-
mended for use with your Makita tool specied
in this manual. The use of any other accessories
or attachments might present a risk of injury to
persons. Only use accessory or attachment for
its stated purpose.
If you need any assistance for more details regard-
ing these accessories, ask your local Makita Service
Center.
• Makita genuine battery and charger
NOTE:
• Some items in the list may be included in the
tool package as standard accessories. They
may differ from country to country.

7

www.makita.com
Makita Europe N.V.
Makita Corporation
3-11-8, Sumiyoshi-cho,
Anjo, Aichi 446-8502 Japa
n
Jan-Baptist Vinkstraat 2,
3070 Kortenberg, Belgium
885344A223
EN
20170128