makita DHW080 Cordless High Pressure Washer Instruction Manual
- June 6, 2024
- Makita
Table of Contents
DHW080 Cordless High Pressure Washer
ENGLISH: Original instructions
INSTRUCTION MANUAL
Cordless High Pressure Washer
DHW080
Read before use.
WARNING
· Machines shall not be used by children. Children should be supervised to
ensure that they do not play with the machine.
· This machine is not intended for use by persons (including children) with
reduced physical, sensory, or mental capabilities, or lack of experience and
knowledge.
· This machine has been designed for use with the cleaning agent supplied or
recommended by the manufacturer. The use of other cleaning agents or chemicals
may adversely affect the safety of the machine.
· During use of high pressure cleaners, aerosols may be formed. Inhalation of
aerosols can be hazardous to health.
· Depending on the application, shielded nozzles can be used for high pressure
cleaning, which will reduce the emission of hydrous aerosols dramatically.
However, not all applications allow the use of such a device. If shielded
nozzles are not applicable for the protection against aerosols, a respiratory
mask of class FFP 2 or equivalent may be needed, depending on the cleaning
environment.
· The employer shall perform a risk assessment in order to specify the
necessary protective measures regarding aerosols, depending on the surface to
be cleaned and its environment. Respiratory masks of class FFP 2, an
equivalent or higher are suitable for the protection against hydrous aerosols.
· High pressure jets can be dangerous if subject to misuse. The jet must not
be directed at persons, live electrical equipment or the machine itself.
· Do not use the machine within range of persons unless they wear protective
clothing.
· Do not direct the jet against yourself or others in order to clean clothes
or foot-wear.
· Risk of explosion Do not spray flammable liquids. · High pressure cleaners
shall not be used by children or
untrained personnel. · High pressure hoses, fittings and couplings are
important for the
safety of the machine. Use only hoses, fittings and couplings recommended by
the manufacturer. · To ensure machine safety, use only original spare parts
from the manufacturer or approved by the manufacturer.
2 ENGLISH
· Always be sure that the tool is switched off and battery cartridges are
removed before carrying out any work on the tool.
· Do not use the machine if important parts of the machine are damaged, e.g.
safety devices, high pressure hoses, trigger gun.
· Always remove the battery cartridges when leaving the machine unattended.
· Comply with the requirements of the local water supply company.
· For European countries: According to EN12729 (BA), the appliance can also be
connected to the mains drinking water supply if a backflow preventer valve
with drain facility is installed in the supply hose.
SPECIFICATIONS
Model: Max. feed volume 1 Water flow rate 2
Max. permissible pressure Working pressure *2
Max. feed pressure Max. feed temperature Max. suction height Rated voltage
Dimensions (L x W x H) Weight Water protection
High mode Low mode
High mode Low mode
DHW080 6.3 L/min 5.5 L/min 4.0 L/min 8.0 MPa 5.5 MPa 3.0 MPa 1.0 MPa
40 °C 1 m D.C. 36 V 438 mm x 218 mm x 269 mm
7.1 kg – 7.7 kg IPX5
*1 : When using the washing brush.
*2 : When using the spray lance.
· Due to our continuing program of research and development, the specifications herein are subject to change without notice.
· Specifications may differ from country to country.
· The weight may differ depending on the attachment(s), including the battery cartridge. The lightest and heaviest combination, according to EPTA-Procedure 01/2014, are shown in the table.
Applicable battery cartridge and charger
Battery cartridge
BL1815N / BL1820B / BL1830B / BL1840B / BL1850B / BL1860B
Charger
DC18RC / DC18RD / DC18RE / DC18SD / DC18SE / DC18SF / DC18SH
· Some of the battery cartridges and chargers listed above may not be available depending on your region of residence.
WARNING: Only use the battery cartridges and chargers listed above. Use of any other battery cartridges and chargers may cause injury and/or fire.
WARNING: Do not use a corded power supply such as battery adapter or portable
power pack with this machine. The cable of such power supply may hinder the
operation and result in personal injury.
3 ENGLISH
Symbols
The followings show the symbols which may be used for the equipment. Be sure
that you understand their meaning before use.
Read the instruction manual.
Ni-MH Li-ion
Take particular care and attention.
Only for EU countries Due to the presence of hazardous components in the
equipment, waste electrical and electronic equipment, accumulators and
batteries may have a negative impact on the environment and human health. Do
not dispose of electrical and electronic appliances or batteries with
household waste! In accordance with the European Directive on waste electrical
and electronic equipment and on accumulators and batteries and waste
accumulators and batteries, as well as their adaptation to national law, waste
electrical equipment, batteries and accumulators should be stored separately
and delivered to a separate collection point for municipal waste, operating in
accordance with the regulations on environmental protection. This is indicated
by the symbol of the crossed-out wheeled bin placed on the equipment.
Do not connect to a potable water faucet.
Do not direct the jet at people including yourself, animals, and live
electrical equipments.
Guaranteed sound power level according to EU Outdoor Noise Directive.
Sound power level according to Australia NSW Noise Control Regulation
WARNING: Wear ear protection.
WARNING: The noise emission during actual use of the power tool can differ
from the declared value(s) depending on the ways in which the tool is used
especially what kind of workpiece is processed.
WARNING: Be sure to identify safety measures to protect the operator that are
based on an estimation 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).
Vibration
The vibration total value (tri-axial vector sum) determined according to
EN60335-2-79: Vibration emission (ah) : 2.5 m/s2 or less Uncertainty (K) : 1.5
m/s2
NOTE: The declared vibration total value(s) has been measured in accordance
with a standard test method and may be used for comparing one tool with
another.
NOTE: The declared vibration total value(s) 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 value(s) depending on the ways in which the tool is used
especially what kind of workpiece is processed.
WARNING: Be sure to identify safety measures to protect the operator that are
based on an estimation 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
Intended use
This tool is intended for cleaning stubborn dirt by using water jet. This tool
is intended for household use.
Noise
The typical A-weighted noise level determined according to EN60335-2-79: Sound
pressure level (LpA) : 70.9 dB(A) Uncertainty (K) : 3.6 dB(A) The noise level
under working may exceed 80 dB (A).
NOTE: The declared noise emission value(s) has been measured in accordance
with a standard test method and may be used for comparing one tool with
another. NOTE: The declared noise emission value(s) may also be used in a
preliminary assessment of exposure.
For European countries only The EC declaration of conformity is included as
Annex A to this instruction manual.
IMPORTANT SAFETY WARNINGS
WARNING: Read all safety warnings and all instructions. Failure to follow the
warnings and instructions may result in electric shock, fire and/or serious
injury.
Save all warnings and instructions for future reference.
WARNING When using this product, basic precautions should always be
followed, including the following:
4 ENGLISH
Work area safety
1. Keep operating area clear of all persons.
2. Do not overreach or stand on unstable supports. Keep good footing and
balance at all times.
3. Always place the high pressure washer body on a level and stable surface.
Avoid areas where the ejected water will run or pool.
4. Before cleaning, check the surroundings and objects to be cleaned. High
pressure jets can scrape away paint or other surface treatments including
toxic chemicals. Take the preventive measures if necessary.
5. Be careful not to trip over by the hose of the high pressure washer.
Always be aware of the configuration of the hose during operation.
6. During use, a small amount of water will come out from the bottom of the
high pressure washer. Avoid locating the high pressure washer in the areas
where you don’t want to wet.
Personal safety
1. To protect against the jet and objects by the jet, operators should wear
appropriate clothing such as safety boots, safety gloves, safety helmets with
visors, hearing protection, etc.
2. Do not use the high pressure washer within range of persons unless they
wear protective clothing.
3. To reduce the risk of injury, close supervision is necessary when the
product is used near children.
4. If connection is made to a potable water system, the system shall be
protected against backflow.
5. Water that has flowed through backflow preventer is considered to be non-
potable.
Electrical safety
1. Never touch battery cartridges with wet hands.
2. Do not use the machine if the important parts of the machine are damaged,
e.g. safety devices, high pressure hoses, or the trigger gun.
Power tool use and care
1. Read all the instructions before using the product.
2. Know how to stop the high pressure washer and bleed pressures quickly. Be
thoroughly familiar with the controls.
3. High pressure jets can be dangerous if misused. The jet must not be
directed at people, live electrical equipment, or the machine itself.
4. This machine is not intended for use by persons (including children) with
reduced physical, sensory, or mental capabilities, or lack of experience and
knowledge.
5. Children should be supervised to ensure that they do not play with the
appliance.
6. Do not spray flammable and/or toxic liquids. This may cause an explosion,
intoxication, or damage to the machine.
7. Do not direct the jet against yourself or others in order to clean clothes
or foot-wear.
8. High pressure hoses, fittings and couplings are important for the safety
of the machine. Use only hoses, fittings and couplings recommended by the
manufacturer.
9. Follow the instructions when changing accessories.
10. Keep handles dry, clean, and free of oil or grease.
11. Stay alert watch what you are doing.
12. Do not operate the product when fatigued or under the influence of
alcohol or drugs.
13. Do not run the high pressure washer without water for longer than one
minute. It will damage the motor, resulting in malfunction.
14. Always turn off the power and shut off the water mains when leaving the
high pressure washer unattended.
15. Be wary of the kickback. The trigger gun recoils when the high pressure
jet is ejected from the nozzle. Hold the trigger gun firmly to prevent
accidental injuries.
16. Check for damaged or worn parts before use. Also make sure that the hose
is properly connected and there is no leakage during operation. Operating the
machine with functional defects may cause an accident.
17. This machine has been designed for use with the cleaning agent supplied
or recommended by the manufacturer. The use of other cleaning agents or
chemicals may adversely affect the safety of the machine.
18. Do not pull the hose to move the high pressure washer body. This will
damage the hose and connecting parts and result in a short circuit or
functional defects.
19. Do not put heavy objects on the hose or let vehicles drive over it.
20. Always discharge the residual pressure in the trigger gun before
disconnecting the hose.
21. When connecting the hose to the water mains, observe the instructions of
your local waterworks department or company.
22. If the high pressure washer is dropped or hits against an hard object, be
sure to check for damage and crack. Using the high pressure washer damaged may
generate smoke, fire, or cause electric shock, which result in personal
injury.
23. During use of high pressure cleaners, aerosols may be formed. Inhalation
of aerosols can be hazardous to health.
24. Depending on the application, shielded nozzles can be used for high
pressure cleaning, which will reduce the emission of hydrous aerosols
dramatically. However, not all applications allow the use of such a device. If
shielded nozzles are not applicable for the protection against aerosols, a
respiratory mask of class FFP 2 or equivalent may be needed, depending on the
cleaning environment.
25. The employer shall perform a risk assessment in order to specify the
necessary protective measures regarding aerosols, depending on the surface to
be cleaned and its environment. Respiratory masks of class FFP 2, an
equivalent or higher are suitable for the protection against hydrous aerosols.
5 ENGLISH
26. Prevent unintentional starting. Ensure the switch is in the off-position
before connecting to battery pack, picking up or carrying the appliance.
Carrying the appliance with your finger on the switch or energizing appliance
that have the switch on invites accidents.
27. Disconnect the battery pack from the appliance before making any
adjustments, changing accessories, or storing appliance. Such preventive
safety measures reduce the risk of starting the appliance accidentally.
28. Do not modify or attempt to repair the appliance or the battery pack
except as indicated in the instructions for use and care.
29. WARNING Risk of Injection or Injury Do Not Direct Discharge Stream At
Persons.
Battery tool use and care
1. Recharge only with the charger specified by the manufacturer. A charger
that is suitable for one type of battery pack may create a risk of fire when
used with another battery pack.
2. Use power tools only with specifically designated battery packs. Use of
any other battery packs may create a risk of injury and fire.
3. 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
terminals together may cause burns or a fire.
4. Under abusive conditions, liquid may be ejected from the battery; avoid
contact. If contact accidentally occurs, flush with water. If liquid contacts
eyes, additionally seek medical help. Liquid ejected from the battery may
cause irritation or burns.
5. Do not use a battery pack or tool that is damaged or modified. Damaged or
modified batteries may exhibit unpredictable behaviour resulting in fire,
explosion or risk of injury.
6. Do not expose a battery pack or tool to fire or excessive temperature.
Exposure to fire or temperature above 130 °C may cause explosion.
7. Follow all charging instructions and do not charge the battery pack or
tool outside the temperature range specified in the instructions. Charging
improperly or at temperatures outside the specified range may damage the
battery and increase the risk of fire.
Service
1. Follow the maintenance instructions specified in the manual.
2. To ensure machine safety, use only original spare parts from the
manufacturer or approved by the manufacturer.
3. Have your high pressure washer serviced by a qualified repair person using
only identical replacement parts. This will ensure that the safety of the high
pressure washer is maintained.
4. In case of breakdown or malfunction of the high pressure washer,
immediately switch it off and remove the battery cartridge(s). Contact your
local dealer or service center.
Additional safety warnings
1. Comply with the requirements of the local water supply company.
2. Do not use the tool when there is a risk of lightning.
3. When you use the tool on muddy ground, wet slope, or slippery place, pay
attention to your footing.
4. Avoid working in poor environment where increased user fatigue is
expected.
5. Do not replace the battery in the rain.
6. Do not submerge the tool into a puddle.
7. Do not leave the tool unattended outdoors in the rain.
8. When wet leaves or dirt adhere to the suction mouth (ventilation window)
due to rain, remove them.
9. Do not wash the tool with high pressure water.
10. When washing the tool, do not let water enter the electrical mechanism
such as battery, motor, and terminals.
11. When storing the tool, avoid direct sunlight and rain, and store it in a
place where it does not get hot or humid.
12. Perform inspection or maintenance in a place where rain can be avoided.
13. After using the tool, remove the adhered dirt and dry the tool completely
before storing. Depending on the season or the area, there is a risk of
malfunction due to freezing.
14. Do not wet the terminal of battery with liquid such as water, or submerge
the battery. Do not leave the battery in the rain, nor charge, use, or store
the battery in a damp or wet place. If the terminal gets wet or liquid enters
inside of battery, the battery may be short circuited and there is a risk of
overheat, fire, or explosion.
15. After removing the battery from the tool or charger, be sure to attach
the battery cover to the battery and store it in a dry place.
16. Do not replace the battery with wet hands. Additional safety warnings
1. Comply with the requirements of the local water supply company.
2. Do not use a corded power supply such as battery adapter or portable power
pack with this appliance. The cable of such power supply may hinder the
operation and result in personal injury.
SAVE THESE INSTRUCTIONS.
WARNING: DO NOT let comfort or familiarity 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.
6 ENGLISH
Important safety instructions for battery cartridge
1. Before using battery cartridge, read all instructions and cautionary
markings on (1) battery charger, (2) battery, and (3) product using battery.
2. Do not disassemble or tamper with the battery cartridge. It may result in
a fire, excessive heat, or explosion.
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 attention 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 conductive material.
(2) Avoid storing battery cartridge in a container 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 flow, overheating, possible burns
and even a breakdown.
6. Do not store and use 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 fire.
8. Do not nail, cut, crush, throw, drop the battery cartridge, or hit against
a hard object to the battery cartridge. Such conduct may result in a fire,
excessive heat, or explosion.
9. Do not use a damaged battery.
10. The contained lithium-ion batteries are subject to the Dangerous Goods
Legislation requirements. For commercial transports e.g. by third parties,
forwarding agents, special requirement on packaging and labeling must be
observed. For preparation of the item being shipped, consulting 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. When disposing the battery cartridge, remove it from the tool and dispose
of it in a safe place. Follow your local regulations relating to disposal of
battery.
12. Use the batteries only with the products specified by Makita. Installing
the batteries to non-compliant products may result in a fire, excessive heat,
explosion, or leak of electrolyte.
13. If the tool is not used for a long period of time, the battery must be
removed from the tool.
14. During and after use, the battery cartridge may take on heat which can
cause burns or low temperature burns. Pay attention to the handling of hot
battery cartridges.
15. Do not touch the terminal of the tool immediately after use as it may get
hot enough to cause burns.
16. Do not allow chips, dust, or soil stuck into the terminals, holes, and
grooves of the battery cartridge. It may result in poor performance or
breakdown of the tool or battery cartridge.
17. Unless the tool supports the use near high-voltage electrical power
lines, do not use the battery cartridge near high-voltage electrical power
lines. It may result in a malfunction or breakdown of the tool or battery
cartridge.
18. Keep the battery away from children.
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 fires, 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 cartridge. Overcharging shortens
the battery service life.
3. Charge the battery cartridge with room temperature at 10 °C – 40 °C (50 °F
– 104 °F). Let a hot battery cartridge cool down before charging it.
4. When not using the battery cartridge, remove it from the tool or the
charger.
5. Charge the battery cartridge if you do not use it for a long period (more
than six months).
7 ENGLISH
FUNCTIONAL DESCRIPTION
CAUTION: Always be sure that the tool is switched off and the battery
cartridge is removed before adjusting or checking function on the tool.
Installing or removing battery cartridge
CAUTION: Always switch off the tool before installing or removing of the
battery cartridge.
CAUTION: Hold the tool and the battery cartridge firmly when installing or
removing battery cartridge. Failure to hold the tool and the battery cartridge
firmly may cause them to slip off your hands and result in damage to the tool
and battery cartridge and a personal injury. To install the battery cartridge,
open the cover while pushing the lock lever. Align the tongue on the battery
cartridge with the groove in the housing and slip it into place. Insert it all
the way until it locks in place with a little click. If you can see the red
indicator on the upper side of the button, it is not locked completely. After
installing or removing the battery cartridges, be sure to close the cover.
1 2
1. Cover 2. Lock lever
To remove the battery cartridges, lift the battery cartridge while pushing the
button on the front of the cartridge.
1
2 3
1. Red indicator 2. Button 3. Battery cartridge
CAUTION: Always install the battery cartridge fully until the red indicator
cannot be seen. If not, it may accidentally fall out of the tool, causing
injury to you or someone around you.
CAUTION: Do not install the battery cartridge forcibly. If the cartridge does
not slide in easily, it is not being inserted correctly.
CAUTION: Be sure to lock the cover before operating.
Tool / battery protection system
The tool is equipped with a tool/battery protection system. This system
automatically cuts off power to the motor to extend tool and battery life. The
tool will automatically stop during operation if the tool or battery is placed
under one of the following conditions:
Overload protection
When the battery is operated in a manner that causes it to draw an abnormally
high current, the tool automatically stops without any indication. In this
situation, turn the tool off and stop the application that caused the tool to
become overloaded. Then turn the tool on to restart.
Overheat protection
When the tool is overheated, the tool stops automatically and the battery
indicator blinks. In this situation, let the tool cool down before turning the
tool on again.
On
Blinking
Overdischarge protection
When the battery capacity is not enough, the tool stops automatically. In this
case, remove the battery from the tool and charge the battery.
8 ENGLISH
Indicating the remaining battery capacity
Only for battery cartridges with the indicator
1
2
Indicating the remaining battery capacity
NOTICE: The battery indicator does not light when the power switch is in OFF
position. To check the remaining battery capacity, turn the power switch to
high or low pressure mode.
Press the check button to indicate the remaining battery capacities. The
battery indicators correspond to each battery.
1
2
1
1. Indicator lamps 2. Check button
Press the check button on the battery cartridge to indicate the remaining battery capacity. The indicator lamps light up for a few seconds.
Indicator lamps
Remaining capacity
Lighted
Off
Blinking
75% to 100%
1. Battery indicator 2. Check button
50% to 75% 25% to 50% 0% to 25%
Battery indicator status
On
Off
Blinking
Remaining battery capacity
50% to 100%
Charge the battery.
The battery may have malfunctioned.
20% to 50% 0% to 20%
NOTE: Depending on the conditions of use and the ambient temperature, the
indication may differ slightly from the actual capacity.
NOTE: The first (far left) indicator lamp will blink when the battery
protection system works.
Charge the battery
9 ENGLISH
Power switch
NOTICE: Do not turn the power switch forcibly. This may cause the switch to malfunction.
Turn the power switch clockwise or counterclockwise depending on the pressure level. Turn the power switch clockwise for high pressure mode (2), counterclockwise for low pressure mode (1). To turn off the machine, turn the power switch back to the OFF position (0).
1
3
2
Dirt blaster
Country specific
1
2
1. Low pressure mode (1) 2. High pressure mode (2) 3. OFF position (0)
NOTE: The battery indicators will light up for a few seconds when turning the
power switch to high or low pressure mode.
Nozzle functions
NOTE: The standard nozzles vary depending on the country. Also refer to the
OPTIONAL ACCESSORIES section for other nozzles.
Spray lance
Country specific
A spiral jet is ejected. Suitable for removing stubborn dirt. NOTICE: Do not
use the dirt blaster to clean fragile surfaces such as windows or car bodies.
Trigger operations
Pull the trigger to eject a water jet. The jet continues as long as the
trigger is squeezed. The trigger can be locked for safe handling of the
trigger gun. To lock the trigger, pull out the stopper and hook it to the
groove on the grip.
1
2
3
Jet width can be adjusted from 0° to 25° by rotating the front end of the
nozzle.
CAUTION: When adjusting the jet width, do not rotate the nozzle while pulling
it toward the trigger gun. The nozzle may come off from the trigger gun and
cause a personal injury.
1. Trigger 2. Stopper 3. Groove
NOTICE: To avoid mechanical error in the pressure switch, always leave a two-
second interval between trigger operations.
Safety valve
This appliance is equipped with a safety valve that prevents undue
overpressure. When the trigger is released, the valve opens and the water
recirculates through the pump inlet.
CAUTION: Do not tamper with or adjust the safety valve setting.
10 ENGLISH
Supplying water from a tank/ reservoir
You can supply water from a tank or reservoir instead of a faucet. Replace the
water hose connector with the suction hose set. When connecting the suction
hose set, disconnect the filter case from the hose and attach the filter case
to the inlet of the high pressure washer. Then, connect the hose to the filter
case.
NOTE: When removing/connecting the hose from/to the filter case, turn the
sleeve while holding the hose so that the hose does not rotate with the
sleeve.
To introduce water into the hose, remove the nozzle from the trigger gun and
switch on the high pressure washer while the trigger is squeezed. Once water
is ejected stably from the trigger gun, release the trigger and attach the
nozzle for your purpose.
1
1
2
1. Trigger gun
NOTE: When water is not ejected, detach the suction hose set and soak it in
water. Then reconnect it to the high-pressure washer.
3
4
5
6
7
8
1. Tank/reservoir 2. Suction hose set 3. Water hose connector 4. Hose 5.
Filter case 6. Inlet on the high pressure washer 7. Hose band 8. Sleeve
CAUTION: When attaching the sleeve to the filter case, be careful not to hurt
your hand by the hose band.
NOTICE: Always use Makita’s suction hose set.
NOTICE: Always keep 1 m (3.28 ft) or less in height between the inlet of the
high pressure washer and the water surface. Otherwise, the high pressure
washer will be unable to take the water up into the pump.
1 1. Suction hose set
When using the container as a water tank
You can use the container supplied with the high pressure washer (country
specific) as a water tank. 1. Empty the container and feed water in it.
1
1. Full water level line 11 ENGLISH
NOTICE: Do not feed water above the full water level line. NOTICE: The lid of
the container is not a tight seal type. Be careful not to spill the water in
the container when carrying.
2. Disconnect the filter case from the hose of the suction hose set.
1 2
4. Remove the water hose connector from the inlet of the high pressure
washer. After that, connect the filter case to the inlet and then hose to the
filter case.
1
2
3
1. Hose 2. Filter case
3. Remove the cap on the feed-water inlet and pass the suction hose set
through the inlet as illustrated.
1
4
2
3 1. Inlet of the high pressure washer 2. Filter case 3. Water hose connector
4. Hose
5. Put the high pressure washer onto the container so that it is secured with
the mounts on the lid of the container.
1
4 3
1. Cap 2. Cap holder 3. Feed-water inlet 4. Suction
2
hose set
NOTE: The cap on the feed-water inlet can be rest on the cap holder.
1. High pressure washer 2. Lid 3. Air bleeding hole 12 ENGLISH
NOTICE: Pay attention to the handling of the container when carrying. Carrying
the container with high pressure washer and accessories or water inside may
cause accident or personal injury due to its own weight. NOTICE: When carrying
the container, do not shake, turnover, or lean it excessively. Doing so may
cause; — the water inside spilled out; — the high pressure washer on the lid
dropped off
from the container or; — the rotation of the container’s wheels hindered.
NOTICE: When carrying the container by the handle, water may spill out if
there is plenty of water inside. NOTICE: Water may come out from the air
bleeding hole if the water inside reaches to the air bleeding hole by tilting
the container. NOTICE: Do not step on the container. The lid may be broken.
NOTICE: Do not leave the container filled with water for a long time. Doing so
may cause the container damaged and result in water leakage.
After use, follow the procedure below: 1. Remove the cap on the drain outlet
and discharge water.
1
ASSEMBLY
CAUTION: Always be sure that the tool is switched off and the battery
cartridge is removed before carrying out any work on the tool.
Connecting the high-pressure hose
Connect the high-pressure hose to the outlet (with the gun marking). Turn the
nut on the high-pressure hose clockwise while screwing it onto the screw
thread of the outlet.
1
2 1. Outlet 2. Nut
CAUTION: Make sure that the high-pressure hose is securely connected. A loose
connection may blow the high-pressure hose off, resulting in a personal
injury.
Attaching the trigger gun
Connect the high-pressure hose to the inlet on the trigger gun. Turn the nut
on the high-pressure hose clockwise while screwing it onto the screw thread on
the inlet.
1. Drain outlet
2. Wipe off the moisture inside of the container using a cloth and then dry the container completely.
NOTICE: Do not store the high pressure washer
and the accessories while the inside of the con-
tainer is wet. Remaining moisture may cause mal-
function and rust.
1
2 1. Inlet 2. Nut
CAUTION: Make sure that the high-pressure hose is securely connected. A loose connection may blow the high-pressure hose off, resulting in a personal injury.
13 ENGLISH
Connecting to a faucet
CAUTION: Always use a pressure-resistant water hose with ø 13 mm or larger
diameter and connect to the faucet using a proper fittings. Otherwise, the
water hose and/or the fitting may break and cause personal injury.
NOTICE: Use a pressure-resistant water hose as short as possible. The amount
of intake water should be higher than the max feed volume of the pump. NOTICE:
If you connect to the mains for drinking water, use a backflow preventer valve
which meets the regulations in your region. Prepare a pressure-resistant water
hose. Attach the coupling sleeve to one end and connect the other end to the
faucet as follows. 1. Remove the nut on the coupling sleeve and pass the
pressure-resistant water hose through the nut. Insert the end of the hose into
the coupling sleeve and then tighten the nut.
1
2
3
NOTE: The fitting depends on the shape of the faucet to which you connect.
Prepare a suitable commercially-bought fitting. 3. Attach the water hose
connector to the inlet (with the faucet marking) and then insert the coupling
sleeve.
3 2 1 1. Coupling sleeve 2. Water hose connector 3. Inlet on the high pressure
washer
Connecting/disconnecting the nozzle
CAUTION: Always lock the trigger of the trigger gun when
connecting/disconnecting the nozzle. Insert the end of the nozzle into the
slot on the trigger gun and turn it in the direction of the arrow as shown in
the figure. To disconnect the nozzle, turn the nozzle in the reverse direction
while pressing it toward the trigger gun.
1. Pressure-resistant water hose 2. Nut of the coupling sleeve 3. Coupling
sleeve
NOTE: If you want to connect the pressure-resistant water hose to the faucet
using a coupling sleeve, prepare another coupling sleeve and attach it to the
other end of the hose.
2. Connect the pressure-resistant water hose to the faucet. Apply a suitable
fitting such as hose band or water tap joint to secure the hose end with the
faucet.
1 3
2 1. Trigger gun 2. Slot 3. End of the nozzle
1
2
3
1. Hose band 2. Water tap joint 3. Pressureresistant water hose
14 ENGLISH
Connecting the foam nozzle
Optional accessory
CAUTION: Always lock the trigger of the trigger gun when
connecting/disconnecting the nozzle.
Prepare detergent before using the foam nozzle. 1. Remove the nozzle from the
tank by rotating the nozzle counterclockwise. Attach the nozzle to the trigger
gun.
Placing plastic carrying case onto the container
Optional accessory You can place Makita plastic carrying case on the top of
the container. Put the plastic carrying case onto the container so that it is
secured with the mounts on the lid of the container.
1
2 2
1
2
1. Nozzle 2. Trigger gun
2. Pour the detergent into the tank and install it to the nozzle.
1
1. Tank
NOTICE: Always use neutral detergent. Acidic or alkaline detergent may damage
the tank or nozzle.
1. Plastic carrying case 2. Mount
Placing the container onto the trolley
Optional accessory When carrying the container with Makita trolley, place the
container in position. Be sure that the bottom of the container fits into the
platform of the trolley.
1
2
1. Bottom surface of the container 2. Platform of the trolley
15 ENGLISH
CAUTION: When using the trolley, do not carry the container filled with water.
Doing so may lose the balance and result in personal injury or cause
deformation of the container which leads to water leakage.
OPERATION
WARNING: Do not touch the water jet or direct it toward yourself or others.
The water jet is dangerous and can hurt you or others.
WARNING: When shooting the water jet, never hold the object that you are
cleaning or place your hands and feet near the water jet.
CAUTION: Stay alert to the rebound of the water jet and blown objects. Do not
bring the nozzle to the object closer to 30 cm .
CAUTION: Do not run the high pressure washer without water for longer than 1
minute.
CAUTION: Do not operate the high pressure washer for a extended period of
time. This may cause overheating or fire. Also, long-term use may cause
vibration disorder.
CAUTION: Be aware of the direction of the wind. If the detergent gets into
your eyes or mouth, rinse with fresh water immediately and seek medical
attention if necessary.
NOTICE: Avoid using the high pressure washer for longer than 1 hour. After
using it for 1 hour, leave a same length of intermission.
NOTICE: To protect the mechanism of the high pressure washer, do not use water
hotter than 40°C.
1. Connect one end of the high-pressure hose to the trigger gun and the other
end to the high pressure washer. 2. Connect the high pressure washer and the
faucet using a water hose. After that, open the faucet.
3. Open the cover and install the battery cartridges into the high pressure
washer and then lock the cover.
1
2
1. Battery cartridge 2. Cover
4. Turn the power switch to your desired mode.
1
3
2
1
2
1. Low pressure mode (1) 2. High pressure mode (2) 3. OFF position (0)
5. To eject a water jet, unlock the stopper and squeeze the trigger. The jet
continues as long as the trigger is squeezed.
1
1. Stopper
CAUTION: Hold the trigger gun firmly. The trigger gun recoils when you pull
the trigger.
CAUTION: Always hold the trigger gun by the grip and barrel when ejecting
water jet.
16 ENGLISH
NOTICE: Be careful not to pull the trigger gun forcibly during operation. It
may cause the high pressure washer to fall over.
NOTICE: When suspending the operation for a long time, switch off the high
pressure washer and squeeze the trigger to discharge the remaining water
fully. If the high pressure washer is left for a long time while maintaining
high pressure, it may not restart. In this situation, switch off the high
pressure washer, supply water from a faucet to the inlet and squeeze the
trigger with keeping the water supply for a while. And then, switch on the
high pressure washer.
When you suspend the operation, you can temporarily place the trigger gun as
shown in the figure.
4. Squeeze the trigger until the remaining water in the high pressure washer
is discharged.
NOTICE: Do not run the motor for longer than 1 minute. 5. Switch off the high
pressure washer and remove the battery cartridges.
1 2
After use
CAUTION: After operating the high pressure washer, always perform the
procedure described in this manual. Residual pressure in the trigger gun or
high pressure washer can cause personal injury or damage to the pump inside.
1. Switch off the high pressure washer. 2. Close the faucet and disconnect
the water hose from the high pressure washer.
1. Power switch 2. Battery cartridge 6. Disconnect the high-pressure hose
from the trigger gun and the high pressure washer.
1
3
2
3. Switch on the high pressure washer again.
2 1. Trigger gun 2. High-pressure hose 3. High-
pressure washer
NOTICE: To prevent the high-pressure hose from being damaged, remove the
remaining water in the hose before storing.
17 ENGLISH
MAINTENANCE & STORAGE
CAUTION: Always be sure that the tool is switched off and battery cartridge is
removed before attempting to perform inspection or maintenance. NOTICE: 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 performed by Makita
Authorized or Factory Service Centers, always using Makita replacement parts.
Cleaning the nozzle
Use the cleaner pin to remove dirt from or unclog the nozzle.
1
When using the suction hose set (optional accessory), take the filter out of
the filter case and remove dirt and debris.
2
1
1. Filter 2. Filter case NOTE: To maintain the optimal performance, clean the
filter periodically.
Storage
CAUTION: Always store in an indoor location where the temperature does not go
below freezing. If the high pressure washer freezes and malfunctions, contact
your local service center for repairs. Store the accessories in the side
pocket of the high pressure washer. Storage example
1. Cleaner pin
NOTE: To maintain the optimal performance, clean the nozzle periodically.
NOTICE: Do not remove dirt or debris forcibly. This may result in personal
injury or damage to the ejection hole causing deviated jet angles or poor
performance.
Cleaning the filter
Detach the water hose connector and remove dirt and debris from the inside of
the filter.
2
3
1
1. High-pressure hose 2. Nozzle 3. Trigger gun
If your model is supplied with the container, store the high pressure washer
and accessories in it.
1
2
3
1. Water hose connector 2. Filter 3. Sealing ring 18 ENGLISH
Storage example 3
2 1
4 5 6
7
NOTE: Some accessories shown in the illustration are supplied as optional accessories in some countries.
9
8
1. High pressure washer 2. Nozzle 3. Trigger gun 4. Washing brush 5. Foam nozzle 6. High-pressure hose 7. Charger 8. Suction hose set 9. Pressureresistant water hose
TROUBLESHOOTING
Before asking for repairs, conduct your own inspection first. If you find a problem that is not explained in the manual, do not attempt to dismantle the tool. Instead, ask Makita Authorized Service Centers, always using Makita replacement parts for repairs.
State of abnormality The washer does not start.
No water jet / weak water jet
Unstable water jet Abnormal sound Water leakage
Probable cause (malfunction) No electricity The switch is not turned on.
Residual pressure in the pump Damaged battery or electric circuit The high
pressure washer has been left for long time while maintaining high pressure.
No water supply
Poor water supply Poor water hose connection
Clogged hose, filter, or nozzle Air is blocking the flow of water.
Damaged or worn nozzle Pump or valve malfunction Clogged nozzle
Poor water suction
The water is too hot. Valve malfunction The water is too hot. Air is stuck in
the pump. Poor connection
Worn out sealings
Remedy
Install charged battery cartridges.
Turn on the switch.
Pull the trigger.
Contact an authorized service center for repairs.
Switch off the high pressure washer, supply water from a faucet to the inlet
and squeeze the trigger with keeping the water supply for a while. And then,
switch on the high pressure washer.
Make sure that the faucet is open. If using the suction hose set, introduce
water into the hose.
Turn on the faucet.
Check the connection between the high pressure washer and the water faucet.
Unclog the hose, filter, or nozzle. Turn off the switch and then turn it on
again while squeezing the trigger.
Replace the nozzle.
Contact an authorized service center for repairs.
Unclog on the ejection hole of the nozzle using the cleaner pin.
Check the water hose starting from the faucet for any leakage or clogs. Turn
on the faucet.
Supply cooler water.
Contact an authorized service center for repairs.
Supply cooler water.
Contact an authorized service center for repairs.
Check the connection between the high pressure washer and trigger gun and as
well as the water faucet.
Contact an authorized service center for repairs.
19 ENGLISH
OPTIONAL ACCESSORIES
CAUTION: These accessories or attachments are recommended for use with your
Makita tool specified 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 regarding these accessories, ask
your local Makita Service Center.
NOTE: Some items in the list may be included in the tool package as standard
accessories. They may differ from country to country.
Vario-Power spray lance
Washing brush (long)
A nozzle equipped with a brush. Useful for washing out dirt while scrubbing
with brush.
Suction hose set
Jet pressure can be adjusted by rotating the nozzle.
CAUTION: When adjusting the jet pressure, do not rotate the nozzle while
pulling it toward the trigger gun. The nozzle may come off from the trigger
gun and cause a personal injury.
Foam nozzle
Country specific
Replace the water hose with this set to supply water from a tank or reservoir.
Rotating wash brush
Detergent can be sprayed as foam.
Three brushes inside rotate slowly when ejecting the jet. Suitable for
cleaning light dirt on a exterior wall, car body, bath tub, etc.
20 ENGLISH
Lance extension
Swivel joint
Pipes to extend the length of the trigger gun. Three different lengths are
available by changing the number of the pipes to be used.
Under body spray lance
Prevents the high-pressure hose from being twisted.
Connecting joint
An extra long spray lance with angled nozzle. Best for cleaning hard-to-reach
areas such as car under body and roof gutter.
CAUTION: Do not use the under body spray lance with the lance extension.
Splash guard
A joint to connect with a nozzle from other model.
Some optional nozzles require the connecting joint (optional accessory) to
attach to the trigger gun. Attach the connecting joint to the trigger gun in
the same way as the nozzle.
1
2
3
Reduces splash back when cleaning corners with the dirt blaster.
1. Nozzle 2. Connecting joint 3. Trigger gun
NOTE: The connecting joint is needed when using the nozzles included with
another model, HW112 or HW121.
21 ENGLISH
Pipe cleaning hose (10 m/15 m)
WARNING: Install only the vario-power spray nozzle to the extension. Do not
connect the other optional extensions to the original extension. Using any
attachments other than those recommended by the manufacturer may cause a risk
of damage or injury to persons.
CAUTION: When adjusting the jet pressure, do not rotate the nozzle while
pulling it toward the trigger gun. The nozzle may come off from the trigger
gun and cause a personal injury.
For cleaning and unclogging plumbing and downpipes.
CAUTION: Pay particular attention to the water jet when using the pipe
cleaning hose. Highly intense water jet is ejected backward. Only trigger the
water jet when the nozzle has been inserted into the pipe to be cleaned at
least up to the red marking.
Extension high-pressure hose (5 m/8 m/10 m)
Extension hose to connect the high pressure washer body with the trigger gun.
Vario-Power Spray Nozzle and Extension
1
2 1. Vario-power spray nozzle 2. Extension Jet pressure can be adjusted by
rotating the nozzle.
22 ENGLISH
23
Makita Europe N.V. Jan-Baptist Vinkstraat 2, 3070 Kortenberg, Belgium
Makita Corporation 3-11-8, Sumiyoshi-cho, Anjo, Aichi 446-8502 Japan
www.makita.com
885721E229 EN 20210330
References
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