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RX550 Electric Pressure Washer
User Manual
[Revision 2.0 February 2018]
READ THIS MANUAL CAREFULLY BEFORE USE – FAILURE TO DO SO MAY RESULT IN INJURY, PROPERTY
DAMAGE AND MAY VOID WARRANTY. • KEEP THIS MANUAL FOR FUTURE REFERENCE. • Products covered by
this manual may vary in appearance, assembly, inclusions, specifications, description and packaging.
E&OE ©2018 Jet USA
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RX550 Electric Pressure Washer
E&OE ©2018 Jet USA 2
Table of Contents
SAFETY .......................................................................................................................................... 3
GETTING STARTED ...................................................................................................................... 5
Automatic On/Off ....................................................................................................................... 5
Bleeding the Gun ................................ ................................................................ ...................... 5
OPERATING INSTRUCTIONS ....................................................................................................... 6
Shut Down ................................................................................................................................ 6
MAINTENANCE .............................................................................................................................. 7
Connections .............................................................................................................................. 7
Nozzle ....................................................................................................................................... 7
STORAGE ...................................................................................................................................... 7
TROUBLESHOOTING .................................................................................................................... 8
SPECIFICATIONS .......................................................................................................................... 9
PRESSURE WASHER PARTS ..................................................................................................... 10
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RX550 Electric Pressure Washer
E&OE ©2018 Jet USA 3
Safety
We ask you to please read this manual carefully beforehand in order to familiarise yourself with this
product and after reading, please store this instructional manual for future reference. Failure to follow
the proper protocols listed in the manual may cause personal injury to the operator or damage to
equipment.
The symbol is used throughout this manual to denote that failure to understand and follow the
associated warning or information may be consequential to your personal safety.
•
The machine is designed for very specific applications. Do not modify or use it for any application
other than for which it is designed.
•
Never operate when there is:
A noticeable change in motor speed.
A noticeable loss of pressure.
Smoke or flames present.
Excessive vibration.
Rain or inclement weather.
•
The pressure washer is for outdoor use only.
•
Do not use in enclosed spaces.
•
All equipment must be placed on a firm, level and stable surface.
•
Keep the pressure washer clean and free of oil, mud and dirt.
•
Prior to starting the pressure washer in cold weather, be sure that ice has not formed in any part of
the equipment.
•
Wear safety goggles while operating.
•
Never directly spray the hose at people or animals.
•
Never allow children to operate the pressure washer at any time.
•
Disconnect the machine from the electrical supply when not in use, to prevent accidental starting, or
prior to detaching the high pressure hose.
•
To prevent accidental discharge, the spray gun should be secured by locking the trigger when not in
use.
•
Do not run the pressure washer for more than two minutes without depressing the trigger or
damage to the pump may result.
•
Test the pressure washer on a small inconspicuous area first. Some surfaces can be damaged by
high water spray such as paint which can be removed with sufficient pressure.
Hose Safety
•
Use both hands to control the wand.
•
Do not touch the nozzle or water spray while operating. Water spray must never be directed
towards any electric wiring or directly towards the pressure washer.
•
Only approved hoses and nozzles should be used.
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RX550 Electric Pressure Washer
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•
The trigger gun must not be jammed in position during operation.
•
Never tie knots or kink the high-pressure hose. Do not use damaged high-pressure hoses.
•
All hose connections must be properly sealed.
Thermal Relief Valve
A thermal relief valve is provided to protect the pump from overheating if the spray gun is closed for an
extended length of time or the nozzle becomes obstructed. However, it is only intended to be used as a
backup system and every effort should be made to ensure that you pull the spray gun trigger to allow
water flow so that there are no blockages in the system.
Safety Latch
To prevent accidental discharge of high-pressure water, the safety latch on the trigger should be
engaged whenever the pressure washer is not in use.
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RX550 Electric Pressure Washer
Getting Started
Automatic On/Off
The motor on this pressure washer does not run continuously. It only runs when the trigger of the spray
gun is squeezed. After following the start-up procedures in this manual, turn the pressure washer on
and squeeze the trigger for activation.
The pump on your pressure washer will often improve performance after a break-in period of several
hours.
Bleeding the Gun
It is very important to bleed the gun before using the pressure washer. Squeeze the trigger to allow any
air that is trapped inside of the unit and hose to escape. Continue to squeeze the trigger until a steady
stream of water comes from the nozzle (this process may take several minutes).
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RX550 Electric Pressure Washer
Operating Instructions
This unit is to be connected to a cold water source only.
The motor runs only when the trigger is squeezed.
1. Connect the outlet hose to the washer and connect the spray gun to the outlet hose.
2. Connect the nozzle and nozzle extension.
3. Check that the gauze filter is clear of any blockage.
4. Connect the water supply hose.
5. Check that the hose has no kinks in it.
6. Turn on the water and check for leaks.
7. Depress the trigger to allow air to be expelled though the pump and hoses, then lock the trigger.
8. Connect the machine to the electrical supply and switch the machine ON.
9. Unlock the trigger and use the pressure washer.
Shut Down
1. Switch the machine OFF (place switch to the off position).
2. Unplug the unit from the power source.
3. Turn off the water supply.
4. Press the trigger of the gun to depressurise the system.
5. Disconnect the garden hose from the pressure washer.
6. Wipe all surfaces of the unit with a damp clean cloth.
7. Engage the gun safety lock.
Always switch the machine OFF before turning off the water supply. Serious damage could
occur to the motor if the unit is run without water.
Never disconnect the high-pressure discharge hose from the machine while the system is still
pressurised. To depressurise the unit, turn off the motor, turn off the water supply and
squeeze the trigger 2-3 times.
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RX550 Electric Pressure Washer
Maintenance
Connections
The connections on the pressure washer hoses, gun and spray wand should be cleaned regularly and
lubricated with the manufacturer’s recommended grease to prevent leakage and damage to the Orings.
Nozzle
Obstructions to the nozzle will cause the pump pressure to be too high. If the nozzle is obstructed,
clean it immediately.
A nozzle cleaner must only be used when the spray wand is disconnected from the gun or personal
injury could occur.
1. Turn off the pressure washer.
2. Separate the wand from the gun.
3. Clear the nozzle with a small rigid piece of wire such as a paper clip.
4. Flush the nozzle backwards with water.
5. Reconnect the wand to the gun.
Restart the pressure washer and depress the trigger on the spray gun. If the nozzle is still partially
blocked or plugged, repeat above instructions 1-4.
If the previous procedure does not clear the nozzle, replace the nozzle.
Storage
If you must store your pressure washer in a location where the temperature is below freezing, you can
minimise the chance of damage to your washer with the following instructions.
1. Stop the pressure washer and detach the supply hose and the high-pressure hose. Squeeze the
trigger of the discharge gun to drain all water from the wand and hose.
2. Restart the pressure washer and let it run briefly (about 5 seconds) until water no longer discharges
from the high pressure outlet.
E&OE ©2018 Jet USA 7
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RX550 Electric Pressure Washer
Fault
Probable Cause
Repair
Pressure washer isn’t
working
Plug is not connected or electric socket is
faulty
Check plug and socket
Main voltage is insufficient and lower
than the minimum requirement
Check that the main voltage is
adequate
Thermal safety switch has tripped
Switch off the unit and let the
motor cool for a few minutes
Fluctuating Pressure
Pump is sucking air
Check that hoses and connections
are airtight
Valves are dirty, worn or stuck
Clean and replace
Pump seals are worn out
Clean and replace
Water leaking from the pump
Seals are worn out
Check and replace
The motor stops suddenly
Thermal safety switch has tripped due to
overheating
Check that the main voltage
corresponds to specifications
Switch off the unit and let it cool for
a few minutes
The pump doesn’t reach the
necessary pressure
Water inlet filter is clogged
Clean the water inlet filter
Pump sucking air from connections or
hoses
Check that all supply connections
are tight
Suction/delivery valves are clogged or
worn out
Check that the water feeding hose
is not leaking
Unloaded valve is stuck
Clear or replace valves
Lance nozzle is incorrect or worn out
Check and replace
Troubleshooting
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RX550 Electric Pressure Washer
Electrical Requirements
240V / 50HZ
Motor
3000W (Peak) Induction
Maximum Pressure
3800PSI (262Bar)
Continuous Pressure
2250PSI (155Bar)
Rated Flow Rate
6.8L/min
Max. Flow Rate
8.5L/min
Hose Length
10m reel + 20m coiled
Detergent Bottle
1.0L
Maximum Water Temperature
50°C
Power Cable Length
5m
Dimension
1010 x 375x 365mm
Weight
27kg
Specifications
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RX550 Electric Pressure Washer
No.
Part
1.
Pressure Cleaner
2
Water Supply Hose (Not Included)
3.
Water Connection
4.
Water Inlet
5.
High Pressure Tube
6.
Water Outlet
7.
Spray Gun
8.
Power Supply
Pressure Washer Parts
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RX550 Electric Pressure Washer
E&OE ©2018 Jet USA 11
Some experts believe the incorrect or prolonged use of almost any product could cause serious injury or
death. For information that may reduce your risk of serious injury or death, consult the points below and
additionally, the information available at www.datastreamserver.com/safety
• Consult all documentation, packaging and product
labelling before use. Note that some products feature
online documentation which should be printed and
kept with the product.
• Check product for loose / broken / damaged /
missing parts, wear or leaks (if applicable) before
each use. Never use a product with loose / broken /
damaged / missing parts, wear or leaks (if
applicable).
• Products must be inspected and serviced (if
applicable) by a qualified specialist every 6 months
assuming average residential use by a person of
average weight and strength, above average
technical aptitude, on a property matching average
metropolitan specification. Intended use outside
these guidelines could indicate the product is not
suitable for intended use or may require more regular
inspection or servicing.
• Ensure all possible users of the product have
completed an industry recognized training course
before being given access to the product.
• The product has been supplied by a general merchandise retailer
that may not be familiar with your specific application or your
description of the application. Be sure to attain third-party
approval for your application from a qualified specialist before use
regardless of prior assurances by the retailer or its
representatives.
• This product is not intended for use where fail-safe operation is
required. As with any product (take an automobile, aircraft,
computer or ball point pen for example), there is always a small
chance of technical issues that needs to be repaired or may
require replacement of the product or a part. If the possibility of
such failure and the associated time it takes to rectify could in any
situation inconvenience the user, business or employee then the
product is not suitable for your requirements. This product is not
for use where incorrect operation or a failure of any kind, including
but not limited to a condition requiring product return,
replacement, service by a technician or replacement of parts
could cause a financial loss, loss of employee time or an
inconvenience requiring compensation.
• If this item has been purchased in error after considering the
points above, simply contact the retailer directly for details of their
returns policy, if required.
©2018 Jet USA. All rights reserved. No part of this document, including descriptive content, concepts, ideas,
diagrams or images may be reproduced or transmitted in any form or by any means, electronic or
mechanical, including photocopying, scanning or recording, or any information storage and retrieval system,
without express permission or consent from the publisher.
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