Ryobi OWA1800 User manual

FRONT PAGE
OWA1800

2
Original Instructions
IMPORTANT!
It is essential that you read the instructions in this manual
before assembling, operating, and maintaining the
product.
Subject to technical modication.
Safety, performance, and dependability have been given top
priority in the design of your cordless power washer.
INTENDED USE
The cordless power washer is intended for outdoor use only.
The product is designed for home or domestic use. It is
intended to clean patio furniture, windows, automobiles,
boats by removal of stubborn dirt using clean water with or
without cleaning detergent.
The product should be used in well-illuminated conditions.
Use the designated accessory kits for the power washer
when using it for any other purpose, such as spraying
consumer-grade cleaning solutions and disinfectants.
Do not use the product for any other purpose.
WARNING! The product is designed for use with a
neutral cleaning agent supplied or recommended by the
manufacturer. The use of other cleaning agents or chemicals
may adversely affect the safety of the product.
GENERAL SAFETY WARNINGS
WARNING! Read all safety warnings and all
instructions. Failure to follow the warnings and instructions
may result in electric shock, re, and/or serious injury.
CAUTION! The product must not be used on a drinking
water supply without a backow preventer being installed
that corresponds to EN 12729 Type BA. Water owing
through a backow preventer is not considered drinkable.
Do not connect the product to the public drinking water
network.
■The product is not intended for use by children or persons
with reduced physical, sensory, or mental capabilities, or
lack of experience and knowledge. Children should be
adequately supervised to ensure they do not play with
the product.
■Wear personal protective equipment when operating the
product, such as safety goggles and hearing protection.
■To reduce the risk of injury, keep children and bystanders
away. All bystanders should wear safety glasses and be
kept at a safe distance from the work area.
■Inspect the safety devices to check if they are in good
working condition. Make sure that all safety devices are
operating properly before each use.
■Do not use the product if the important parts are
damaged, such as safety devices or spray wand.
WARNING! During the use of power washers, aerosols
may be formed. Inhalation of aerosols can be hazardous to
health.
WARNING! Do not turn the nozzle while pulling the
trigger. If the water is owing while the nozzle is turned,
the relief channel releases the water. This is not a leak, but
allows the water to escape without damaging the tool.
■High-pressure jet is dangerous if misused. Do not direct
the jet to people, live electronics, or the product itself.
■To avoid the risk of explosion, do not spray flammable
liquids.
■Do not direct the jet against yourself or others to clean
clothes or footwear.
■Hoses, fittings, and couplings are important for the safety
of the product. Use only hoses, fittings, and couplings
that are recommended by the manufacturer.
■Some regions have regulations that restrict the use of
the product in some operations. Check with your local
authority for advice.
■Before each use, check for damage. Damaged
hoses must be replaced immediately. Ensure that
all connections, such as spray wand and nozzle, are
secure. Unwind the hose properly so they may not get
twisted or kinked.
■Before starting any cleaning operation, close doors and
windows. Clear the area to be cleaned of debris, toys,
outdoor furniture, or other objects that could create a
hazard.
■Do not use the product in temperatures below 0°C.
■Do not use acids, alkaline, solvents, flammable material,
bleaches, or industrial grade solutions in the product.
These products can cause physical injuries to the
operator and irreversible damage to the product.
WARNING! High-pressure jet can be dangerous if
subject to misuse. The jet must not be directed to people,
animals, electrical devices, or the product itself.
■Hold the handle securely with both hands. Expect the
handle to move when the trigger is pulled due to reaction
forces. Failure to do so could cause loss of control and
injury to yourself and others.
■Exercise caution to avoid slipping or falling.
■Keep firm footing and balance. Do not overreach.
Overreaching can result in loss of balance.
■Never leave the product running unattended. Turn off
the product, and leave only when it comes to a complete
stop. Keep the product out of reach of children when it
is turned on.
■Be familiar with the controls. Know how to stop the
product and bleed the pressure quickly.
■Stay alert, and exercise control. Watch what you are
doing, and use common sense.
■Do not use the product while tired, ill, or under the
influence of drugs, alcohol, or medication. A moment
of inattention while operating the product may result in
serious personal injury.
■Do not use the product if the switch does not turn it on
and off. Any product that cannot be controlled with a
switch is dangerous and must be repaired.
■Keep a minimum distance of 30 cm when cleaning
vehicles. The high-pressure jet may damage or burst
vehicle tires or tire valves.
■The product is not to be used if it has been dropped, if
there are visible signs of damage, or if it is leaking.
■Injuries may be caused, or aggravated, by prolonged use
of the product. When using the product for prolonged
periods, ensure to take regular breaks.

3
Original Instructions
BATTERY PACK SAFETY WARNINGS
■Recharge the battery pack 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.
■When battery pack is not in use, keep it away from other
metal objects, such as paper clips, coins, keys, nails,
screws, or other small metal objects that can make a
connection from one terminal to another. Shorting the
battery pack terminals together may cause burns or a
fire.
■Keep the battery pack and the charger away from wet
and damp conditions.
■Use the product only with battery packs specified in this
manual. Use of any other battery packs may create a
risk of injury and fire.
■Under abusive conditions, liquid may be ejected from
the battery pack; avoid contact. If contact accidentally
occurs, flush with water. If liquid contacts eyes, seek
medical help. Liquid ejected from the battery pack may
cause irritation or burns.
■The battery pack has overheat protection. Excessive
temperatures will cause the battery to stop powering the
product. If the battery pack is too warm, allow it to cool
down before resuming operation. If the product still does
not work, recharge the battery pack.
NOTE: The battery pack LED indicator will not work
if the battery pack protection feature has caused the
battery pack to stop powering the product. Release
the on-off button or remove the battery pack from the
product and the battery pack LED indicator will resume
normal function.
ADDITIONAL BATTERY SAFETY WARNINGS
WARNING! Do not splash water to the product. It may
damage the battery pack.
To reduce the risk of re, personal injury, and product
damage due to a short circuit, never immerse your tool,
battery pack or charger in uid or allow uid to ow inside
them. Corrosive or conductive uids, such as seawater,
certain industrial chemicals, and bleach, or bleach-
containing products, etc., can cause a short circuit.
TRANSPORTATION AND STORAGE
■Turn off the product, remove the battery pack, and allow
the product to cool down. Disconnect the product from
the water supply before storing or transporting.
■Remove water from all hoses and the pump, and empty
the detergent tank before storing the product.
■Neatly coil the siphon hose, and store it with the power
washer.
■Remove all foreign materials from the product. Store it
in a cool, frost-free, dry, and well-ventilated place that is
inaccessible to children. Do not store the product near
the furnace or other sources of heat that could dry out
the pump seals. Keep the product away from corrosive
agents, such as garden chemicals and de-icing salts. Do
not store the product outdoors.
■For transportation in a vehicle, secure the product
against movement or falling to prevent injury to persons
or damage to the product.
WARNING! Store the product indoors only. Storing in
an area with temperature below 0° will damage the product.
TRANSPORTING LITHIUM BATTERIES
Transport the battery pack in accordance with local and
national provisions and regulations.
Follow all special requirements on packaging and labelling
when transporting batteries by a third party. Ensure that
no batteries can come in contact with other batteries
or conductive materials while in transport by protecting
exposed connectors with insulating, non-conductive caps or
tape. Do not transport batteries that are cracked or leaking.
Check with the forwarding company for further advice.
MAINTENANCE
Use only original manufacturer’s replacement parts,
accessories, and attachments. Failure to do so can cause
possible injury, can contribute to poor performance, and
may void your warranty.
Servicing requires extreme care and knowledge and should
be performed only by a qualied service technician. Have
the product serviced by an authorised service centre only.
When servicing, use only original replacement parts.
■Turn off the product, remove the battery pack, and allow
the product to cool down. Disconnect the product from
the water supply:
●before cleaning the product
●before maintaining the product
●before replacing spare parts
■You may make adjustments or repairs described in this
manual. For other repairs, contact an authorised service
centre.
■Regularly inspect and maintain the product for safe
operation. Ensure that the battery compartment is
properly assembled, tightly closed, and frequently
check for damages. Any part that is damaged should be
properly repaired or replaced by an authorised service
centre.
■If the product is to be stored unused for a long period,
the batteries should be removed.
SAFETY DEVICES
HANDLE GRIP
The handle grip has a gripping surface that provides added
control of the spray wand and helps reduce fatigue.
LOCK-OUT BUTTON
The lock-out button locks the switch trigger and prevents
unintentional opening of the high-pressure jet.
SYMBOLS ON THE PRODUCT
Read and understand all instructions
before operating the product. Follow all
warnings and safety instructions.
Wear eye and hearing protection.

4
Original Instructions
To reduce the risk of injury from high-
pressure injection, do not direct spray
at persons or animals.
Kickback. To reduce the risk of injury
from kickback, hold the trigger handle
securely with both hands when the
product is on.
The product is not suitable for
connection to the drinking water supply
without backow preventer.
Never point the spray wand to human,
animals, the body of the product, power
supply, or any electrical appliances.
Burst hazard
Regulatory Compliance Mark (RCM).
The product meets applicable
regulatory requirements.
Waste electrical products should not
be disposed of with household waste.
Please recycle where facilities exist.
Check with your local authority or
retailer for recycling advice.
SYMBOLS IN THIS MANUAL
Parts or accessories sold separately
Note
Warning

5
Know your product
OWA1800
Power washer housing
Lock-out button
Latch
Handle grip
Switch trigger
Battery compartment
12 mm water inlet
Extension wand
Release button
3-in-1 nozzle
12 mm quick connector
Siphon hose
Floater
Filter
Operator's manual
Battery pack
Charger

6
Getting started
2
1
3
1
2
2
1
1
10
6 7
2 3
Wear full eye and ear protection,
substantial footwear, and long trousers
at all times while operating the product.
Do not operate the product when
barefoot or wearing open sandals.
Connect the threaded end of the
extension wand to the power washer
assembly. Turn the wand clockwise to
secure it in place.
Insert the end of the 3-in-1 nozzle into
the connector end of the extension
wand and push until it clicks into place.
Flip the latch up and unlock the latch
clip to access the battery compartment.
Open the battery compartment and install the battery pack into the housing until it
clicks into place. Close the battery compartment to secure the battery pack.
Squeeze the switch trigger to operate
the power washer.
Begin the washing operation.

7
Getting started
1
3
2
4 5
9
6
10
2
1
8
Never use the power washer without
connecting the 3-in-1 nozzle.
Pull the quick connector collar down
and insert into the water inlet. Push
the connector collar up to secure the
siphon hose in place.
Place the other end of the hose with
oater and lter into your water source.
NOTE: The maximum suction height
for the siphon hose is 1.8 m.
Flip the latch clip upward and press down the latch to secure the battery
compartment cover in place.
WARNING! IPX5 rating is only for the battery compartment and is achieved when
the battery compartment is closed.
Press the lock-out button.

8
p.11
p.13
p.9
Using the 3-in-1
nozzle Cleaning the
product
Storing the product

9
Operation
1
1
2
1
2
3
USING THE 3-IN-1 NOZZLE
1. Press the lock-out button to lock the
product.
2. Turn the 3-in-1 nozzle clockwise or
counterclockwise to select the spray
pattern.
3. Press the lock-out button to unlock the
product, and squeeze the switch trigger
to start operating the product.
NOTE: Use the 15° setting for cleaning or
washing wide areas or surfaces.
NOTE: Use the rinse setting for watering
applications.

10
Operation
1
2
NOTE: Use the turbo setting for cleaning or
washing stubborn dirt or surfaces.
WARNING! Do not squeeze the switch
trigger while changing nozzle spray patterns.

11
Maintenance
12
1
1
3
4
2
2
1
2
3
1
2
1
2
2
1
4
5
CLEANING THE PRODUCT
1. Flip up the latch and unlock the latch clip
to access the battery compartment.
2. Open the battery compartment and press
the latches on the sides of the battery
pack to remove the battery pack. Close
the battery compartment.
3. Flip the latch clip upward and press the
latch down.
4. Pull the quick connector collar down and
disconnect the siphon hose from the
water inlet.
5. Turn the filter clockwise and pull down
to disconnect it from the floater. Clean
the filter with water. Push the filter into
the floater and turn counterclockwise to
secure it back in place.

12
Maintenance
1
2
3
1
2
3
6
7
8
6. Clean the product with a soft, dry cloth
and a brush.
7. Turn the water inlet adaptor clockwise to
loosen and access the o-ring.
8. Use water to clean the o-ring. Install the
o-ring back into the product and turn the
water inlet adapter counterclockwise to
secure it in place.
WARNING! Do not use water to clean the
product.

13
Storage
12
1
1
3
4
2
2
1
2
1
2
1
2
3
4
5
STORING THE PRODUCT
1. Flip up the latch and unlock the latch clip
to access the battery compartment.
2. Open the battery compartment and press
the latches on the sides of the battery
pack to remove the battery pack. Close
the battery compartment.
3. Flip the latch clip upward and press the
latch down.
4. Pull the quick connector collar down,
and disconnect the siphon hose from the
water inlet.
5. Press the release button on the extension
wand to remove the 3-in-1 nozzle.

14
Storage
20210105v1d1
2
1
6
7
6. Turn the extension wand
counterclockwise and pull it out from the
power washer housing.
7. Store the product in a cool, dry, and well-
ventilated place that is inaccessible to
children and well away from sources of
ignition.

PRODUCT SPECIFICATIONS
Cordless power washer
Model OWA1800
Rated voltage
18 V d.c.
Weight
2 kg
Maximum pressure
24.8 bar (360 psi)
Rated pressure
22 bar (320 psi)
Dilution ratio
1:20
Rated ow
3 L/min
Maximum ow
4.5 L/min
Maximum inlet water
pressure
7 bar (100 psi)
Maximum suction height
1.8 m
Maximum garden hose
length
6 m
Minimum garden hose inner
diameter
8 mm
BATTERY AND CHARGER
Model
OWA1800
Battery pack
-
Charger
-
Compatible battery
packs
RB18L15, RB18L15A, RB18L15B,
RB18L20, RB18L20A, RB18L25,
RB18L25A, RB18L40, RB18L40A,
RB18L50, RB18L50A, RB18L13,
RB18L60A, RB18L90A
Compatible chargers
RC18150U, BCL14181H, BCL14183H,
RC18120, RC18627U, BCS618G

BACK PAGE
Imported by:
Techtronic Industries Australia Pty Ltd
31 Gilby Road, Mount Waverley, VIC 3149
Melbourne, Australia
Techtronic Industries N.Z. Limited
Unit C, 70 Business Parade South,
Highbrook, Auckland 2013, New Zealand
RYOBI is a trade mark of Ryobi Limited, and is used under license.
© 2021 Techtronic Cordless GP
960398022-02
Table of contents
Other Ryobi Pressure Washer manuals

Ryobi
Ryobi RY802700 User manual

Ryobi
Ryobi RY142500 User manual

Ryobi
Ryobi RY802800 User manual

Ryobi
Ryobi RPW110B User manual

Ryobi
Ryobi RY802800 User manual

Ryobi
Ryobi RY80588A User manual

Ryobi
Ryobi PS803152 User manual

Ryobi
Ryobi RY80533 SERIES User manual

Ryobi
Ryobi HydroSurge RPW120HS User manual

Ryobi
Ryobi AJP-1621 Instructions for use

Ryobi
Ryobi AJP-1623 Operation manual

Ryobi
Ryobi RPW110B User manual

Ryobi
Ryobi RY18PW22A User manual

Ryobi
Ryobi RPW120S User manual

Ryobi
Ryobi RY140PWA User manual

Ryobi
Ryobi RY802723 User manual

Ryobi
Ryobi RPW150XRB User manual

Ryobi
Ryobi RY141900 User manual

Ryobi
Ryobi RPW130SC User manual

Ryobi
Ryobi RPW080S User manual