Spitwater SCWA61 Operating instructions

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ORIGINAL INSTRUCTIONS
OPERATING AND MAINTENANCE
MANUAL
MADE IN AUSTRALIA
BY
SPITWATER AUSTRALIA PTY LTD
953 METRY STREET
NORTH ALBURY NSW 2640
AUSTRALIA
WARNING: Read and understand this instruction manual before operating this
unit and retain for future reference.
Failure to follow operating, safety and maintenance instructions outlined in this
manual releases the manufacturer from any responsibility for any accidents or
damage incurred and may render any warranty void.
PETROL COLD WATER
HIGH PRESSURE
CLEANER
MODEL NO:
SCWA61 (HP251/SAE)
SCWA63 (HP2430/AE)
SCWA64 (HP3523/AE)

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Spitwater Australia is proudly Australian owned and operated since 1983. Our promise is to provide our
customers with superior quality high pressure cleaners built to the highest of standards that will see many years
of reliable service.
The Spitwater range of high pressure cleaners has been designed to give safe, efficient and dependable service
when the correct operating and safety instructions are followed and proper attention is given to all required
maintenance procedures in order to maintain the unit in peak operating condition.
This manual provides the up to date information necessary for the user to operate the unit and carry out regular
inspection and maintenance.
Please note that the information given within this manual may be subject to revision in compliance with Spiwater
Australia’s policy of continual improvement.
Spitwater high pressure cleaners should only be used in the manner and purpose for which they were intended
and in accordance with the recommendations and safety precautions detailed in this manual.
All Spitwater high pressure cleaners undergo rigorous safety and operational tests before being dispatched into
the market, however it is still imperative that prior to use, all operators have read and understood all information
and instructions provided and are aware of possible hazards.
Spitwater high pressure cleaners are specifically designed to solve all problems relating to washing, degreasing,
descaling and disinfecting in a wide range of commercial and industrial situations. Some examples of
applications are in the cleaning, building, transport, light and heavy manufacturing and primary industries.
Spitwater has an extensive range of spare parts and accessories to suit all your cleaning needs. For spare parts,
accessories and service please contact 1800 SPITWATER (1800 774 892) and to view Spitwater's extensive
range of high pressure cleaners online visit www.spitwater.com.au
For international spare parts, accessories and service please contact [e-mail]
INTRODUCTION
GENERAL DESCRIPTION & INTENDED USE
SPARE PARTS, ACCESSORIES AND AFTER SALES SERVICE

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TECHNICAL DATA
MODEL
HP251/SAE
HP2430/AE
HP3523/AE
PRODUCT
SCWA61
SCWA63
SCWA64
UNIT
PERFORMANCE
FLOW RATE
21
30
23
L/M
PRESSURE
25
24
35
MPa
PRESSURE
250
240
350
BAR
NOZZLE
055
080
045
WATER INLET
PRESSURE MAX
1.2
1.2
1.2
MPa
TEMP MAX
40
40
40
°C
ENGINE
ENGINE MODEL
HONDA GX630
HONDA GX630
HONDA GX690
TYPE
PETROL
PETROL
PETROL
SPEED
3570
3600
3600
RPM
POWER
20
20
22
HP
FUEL CAPACITY
10
10
10
L
STARTING SYSTEM
ELECTRIC
ELECTRIC
ELECTRIC
OIL TYPE
10W-30
10W-30
10W-30
OIL CAPACITY
1.7
1.7
1.7
L
BATTERY
VOLTAGE
12
12
12
V
Ah (20HR)
26
26
26
Ah
CCA
280
280
280
A
PUMP
MODEL
WS252
T2535
W3523
OIL TYPE
15W-40
15W-40
15W-40
OIL CAPACITY
-
1.2
1.2
L
OTHER
DETERGENT BOTTLE CAPACITY
5
5
-
L
VALUES DETERMINED AS PER AS/NZS 60335.2.79
SOUND PRESSURE LEVEL Lp
95
95
95
dB (A)
UNCERTAINTY Kp
3.9
3.9
3.9
dB (A)
SOUND POWER LEVEL Lw +
UNCERTAINTY Kw
103
103
103
dB (A)
REACTION FORCE ON SPRAY GUN
77.07
107.88
101.42
N
REACTION TORQUE ON SPRAY GUN
17.66
24.72
-
Nm
VIBRATION ON SPRAY GUN
3.25
3.35
3.95
m/s²
UNCERTAINTY Kp
1.5
1.5
1.5
m/s²
DIMENSIONS & WEIGHT (UNPACK)
LENGTH
1033
1033
1033
mm
WIDTH
748
748
748
mm
HEIGHT
953
953
953
mm
WEIGHT
130
136
137
Kg
The manufacturer reserves the right to modify designs, features and technical data without notice.

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The following symbols are used throughout this instruction booklet in order to mark important paragraphs or
sections that require particular attention. Their meaning is listed next to them for your attention.
The following symbols are used on the unit in order to warn user of potential injury if not cautious. Their
meaning is listed next to them for your attention.
CAUTION
Hot surface.
Do not touch
DESCRIPTION OF SYMBOLS
IMPORTANT SAFETY INSTRUCTIONS AND PRECAUTIONS
WARNING: This high pressure cleaner shall only be used by persons instructed in its use
and who have been authorized to do so. Before using this high pressure cleaner please pay
particular attention to the following safety warnings as failure to do so could result in serious
injury or even death.

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SAFETY LABELS, UNIT COMPONENTS FEATURES & CONTROLS
•Always pay attention to the safety instructions provided on each label. Do not alter or remove safety labels
WATER
INLET
CONNECTOR
PRESSURE GAUGE
TRIGGER GUN
SERIAL LABEL
CHEMICAL FLOW
ADJUSTMENT
(SCWA61 &
SCWA63 ONLY)
ENGINE SWITCH
HIGH PRESSURE
HOSE
PRESSURE
HIGH / LOW
PETROL TANK
DUAL LANCE = SCWA61
DUAL LANCE = SCWA63
SINGLE LANCE = SCWA64
CHEMICAL TANK
(SCWA61 &
SCWA63 ONLY)
LANCE HOLDER
HOUR METER
HIGH PRESSURE
WATER OUTLET
CONNECTOR
PRESSURE GAUGE
HIGH PRESSURE
WATER OUTLET
CONNECTOR
SCWA64 ONLY

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1. OBSERVE SAFETY INSTRUCTIONS
•Make sure you have read and understood the whole instruction
manual before installing, operating or carrying out any maintenance
on this unit.
•Warnings and data plates on the unit provide important directions
and information on the safe use of the unit.
•In addition to these operating and safety instructions please make
sure that all accident prevention regulations applicable in the
country of use are followed.
•In addition to these operating and safety instructions any standards relating to the installation and
operation of high pressure cleaners applicable in your country must be strictly followed.
•This unit is not intended for use by children. Children must always be supervised when in the
vicinity and ensure that they DO NOT play with the unit. Further, it is not intended for use by
persons with reduced physical, sensory or mental capabilities, or lack of experience or
knowledge. It must only be operated by persons instructed in its use who have been especially
authorized to do so.
•DO NOT operate the unit without appropriate personal protective equipment PPE.
2. FIRE PREVENTION
•Store flammable fluids in approved containers and cabinets away
from sparks and heat.
•To avoid fire, be alert for leaks of flammable substances from
hoses and lines.
•The exhaust gas muffler is very hot. To prevent a fire, do not
expose dry grass, mowed grass, oil or any other combustible
material to exhaust gas. Keep the engine and muffler clean at all
times.
•Be sure to stop the engine before cleaning the unit.
•Under NO circumstance use flammable liquids, undiluted acids or
solvents as a chemical as the spray produced would be highly
flammable.
3. SAFE HANDLING OF FUEL AND LUBRICANTS
•Always turn off the engine and let the unit cool down before
refueling and/or lubricating.
•DO NOT smoke or allow flames or sparks in your work area. Fuel
is extremely flammable and explosive under certain conditions.
•Refuel in a well ventilated and open area. When fuel and/or
lubricants are spilled clean immediately.
•DO NOT mix fuel. Incorrect fuels shall not be used as they may
prove hazardous.
•Use only clean and approved fuel, store in appropriate containers
and dispensers.
GENERAL SAFETY PRECAUTIONS

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4. EXHAUST & FLUE GASES
•Do not use combustion engine powered machines indoors unless
adequate ventilation is assessed by national labor authorities.
•Exhaust contains poisonous carbon monoxide gas that can build
up to dangerous levels in closed areas. Breathing carbon
monoxide can cause unconsciousness or death. Never run the
engine in a closed, or even partly closed area where people may
be present.
•Ensure that any exhaust emissions are not in the vicinity of air
intakes.
5. BURNS & HOT SURFACE
•To avoid burns, be cautious of hot components, e.g. muffler,
muffler cover and engine body during operation and after the
engine has been shut off.
6. CHEMICAL HAZARD
•In the event of accidental contact with cleaning detergent, battery
acid or oil, follow instructions provided by the manufacturer and/or
product retailer and wash it off immediately with clean running
water.
•Wear rubber gloves to avoid personal injury during chemical
handling.
•If spillage occurs clean up immediately before using the unit.
7. CHECKS AND SERVICE
•Inspect the unit each day before use. Follow “Daily inspection
check list” guide Table-B in the SERVICE / CARE section.
•Service the unit regularly based on its usage. Follow “Usage vs
Service frequency” matrix (Table-A) in the SERVICE / CARE
section.

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All health and safety regulations applicable to general safe work practices, as well as safe operation of
equipment, as well as any specific standard for safe operation of high pressure cleaners according to local
regulations must be followed. When operating this unit,
1. PERSONAL SAFETY
•Personal protective equipment (PPE) must be worn when
operating this unit including footwear, clothing, eyewear and
all other necessary equipment according to regulations and
requirements.
•Always wear appropriate ear protection if the noise level
indicated in the technical data of this appliance exceeds
80dB (A).
•When operating the unit be alert and hold onto the gun and
lance firmly with both hands.
•When the gun is operated, the user is subject to very strong
recoil forces and torque.
•There is a risk of high pressure water jet injury. Never aim
the jet at yourself, other people or animals as this could
result in serious injuries or even death.
•There is a risk of electrocution. Never aim the water jet at the
unit itself or other live electrical equipment as this could
result in serious injury or even death.
•Depending on the application of high pressure cleaners,
hydrous aerosols may be formed. 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. Shielded nozzles
can be used for high pressure cleaning, which will reduce
the emission of hydrous aerosols dramatically OR
respiratory masks of class FFP 2, an equivalent or
higher are suitable for the protection against hydrous
aerosols.
OPERATIONAL SAFETY PRECAUTIONS

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2. WORK ZONE SAFETY
•The work zone must be kept clear of all persons not authorized to be there. If other people must
be in the work area they too must wear all necessary personal protective equipment and must be
aware of the existing hazards / risks.
•This unit must not be operated in hazardous areas. Also to prevent fire hazards it must not be
operated near inflammables such as petrol, grain dust, solvents, thinners etc.
•When operating the unit make sure the operating area is not releasing health or environmental
hazardous substances (E.g. asbestos, oil etc)
3. EQUIPMENT SAFETY
•Never exceed the maximum working temperature and pressure as indicated on the unit data plate
and in this manual.
•Only use this unit with cleaning chemicals recommended by Spitwater. The use of other cleaning
agents or chemicals may adversely affect the safety of the unit.
•Never operate the unit without water as even a brief operation without it will cause severe damage
to the pump and other components.
•When finishing work, switch OFF the unit and release any trapped pressure in the hose and
engage the gun trigger lock.
•Never leave the unit unattended while it is running.
•Never lock the spray gun trigger in the open position.
•Never use accessories or spare parts that were not designed for use with this unit as this could
cause damage to the unit. Spitwater recommends the use of original accessories and spare parts
available through Spitwater and its extensive dealer network.
•Never use a nozzle size other than that specified in the technical data. Using the wrong size
nozzle could damage the unit.
•Keep flammable materials away from, and do not place anything on the unit while it is running.
Pressure regulating valve: This unit is equipped with a pressure regulating valve which prevents damage to
the unit, by keeping the system pressure safely below a desired limit. When the system pressure exceed the
setting of the valve spring, the fluid unseats the valves and bypasses to the reservoir.
Safety valve (SCWA63 & SCWA64 ONLY): This acts as a fail-safe system. When the system pressure
exceeds the set value, the valve opens proportionally with increase in pressure and release the excess
pressure out and resets back.
SAFETY FEATURES OF THE UNIT
In case of EQUIPMENT FAILURE / BREAKDOWN turn the unit OFF and see “SERVICE / CARE
RECOMMENDATIONS AND DIY TROUBLESHOOTING GUIDE” section.

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1. For safe movement of the unit between work areas make sure that the unit has been switched off.
Allow it to cool down if necessary. Bleed of any trapped pressure according to instructions and
confirm all safety locks are engaged.
2. The safest way to lift the unit is to use the forklift. DO NOT lift the unit from the side. (Refer below
figure)
3. For safe transportation in and on vehicles make sure the unit is appropriately strapped, in order to
prevent it from sliding or falling.
4. If transporting the unit make sure there is no possibility for the
temperature to be at or below 0°C. If it is necessary to transport the unit
at or below 0°C contact your authorized Spitwater service agent for
advice.
5. When not in use the unit must be stored in a dry building where there is
no possibility for the temperature to be at or below 0°C. If necessary to
store the unit at or below 0°C contact your authorized Spitwater service
agent for advice.
6. Keep detergent lines clean and flush regularly especially if the unit is
not used often.
PROTECT FROM FROST
STORAGE / TRANSPORT

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1. Caution should be taken when lifting the unit.
Always adopt safe lifting techniques in order to
avoid damage to the unit and injuries to person.
2. Remove carton and carefully remove the unit
from the pallet keeping it upright. Visually check
for any damage, leaks or other issues. If any
problem is found, contact your Spitwater agent
immediately.
3. Identify the unit from the information on the serial
label affixed to the unit.
4. The unit must be positioned on flat stable ground
and must be in an upright position before
operating. Do not operate on an uneven surface
or on loose gravel.
5. The engine and exhaust becomes very hot during
operation. Keep the unit at least 1metre (3 feet)
away from buildings or other equipment during
operation.
ASSEMBLY & INSTALLATION GUIDE
6. Replace the red oil travel plug fitted on the
pump with the yellow dipstick supplied in the
accessories bag.
7. Check the oil level in the pump using the
dipstick or the sight glass on the back / side of
the pump. Make sure the level is between
min/max level notches on the dipstick, or is level
with the indicator on the sight glass. If oil
reservoir needs replenishing only use oil of a
type as listed in the data sheet in this instruction
manual.
8. Connect the handle to the base using the
supplied screws, nuts and washers.

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9. NOZZLE ASSEMBLY (SCWA61 & SCWA63 ONLY)
Connect the high pressure nozzle (smaller hole) and the low pressure nozzle (larger hole) to the lance. Do
not over tighten and make sure that the nozzle positions do not interchange during assembly. Add nozzle
shield after nozzle assembly. Refer diagram below.
10.LANCE, TRIGGER GUN & HIGH PRESSURE HOSE ASSEMBLY
•Connect the lance to the spray gun by an in-built quick release coupling.
•Connect the high pressure hose fitting to the spray gun. Do not over tighten.
•Connect the quick release adaptor to the high pressure hose fitting. Do not over tighten.
SCWA61 & SCWA63

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9. NOZZLE ASSEMBLY (SCWA64 ONLY)
Connect the high pressure nozzle to the lance. Do not over tighten.
10.TRIGGER GUN & HIGH PRESSURE HOSE ASSEMBLY
•Connect the high pressure hose fittings to the spray gun using a 3/8” nipple from the accessories bag.
Do not over tighten.
•Connect the quick release coupling to the other end of the high pressure hose fitting using appropriate
tools. Do not over tighten.
SCWA64

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11.ASSEMBLY OF HIGH PRESSURE HOSE WITH THE UNIT
•Connect the quick release high pressure hose to the outlet connector of the unit.
12.WATER INLET CONNECTION
•Connection to potable water mains can be achieved by using a general garden hose set (3/4 inch
diameter for SCWA63 & SCWA64. 1/2 inch diameter for SCWA61).
•Connect the water supply hose to the water inlet connection. In case of poor water quality the use of
an external water filter is recommended. Contact your Spitwater agent for advice and /or supply.
•Make sure the water supply temperature and pressure meet the values specified in the technical data,
then turn the water supply on. Visually check for leaks and contact your Spitwater service agent if
found.
•Open the water supply and fill the water tank. The float valve will automatically stop the water flow
when the water tank is full.
•Water that has flowed through backflow preventer is considered to be non-potable (non-drinkable).
•For suction supply / non-pressure water supply, other than potable water mains, contact your
authorized Spitwater service agent for advice.
•High pressure hoses, fittings and
couplings are important for the
safety of the machine. Use only high
pressure hoses, couplings and
fittings recommended by Spitwater.
•Do not pull on high pressure hose in
order to move the unit.
WARNING: This high pressure cleaner is only allowed to be connected with the drinking
water mains, when an appropriate backflow preventer has been installed, as per AS/NZS
60335.2.79. Follow all local standards and regulations applicable to water connection.
SCWA63 & SCWA64
BARB TO SUIT HOSE CLAMP
SCWA61
BARB TO SUIT SNAP ON FITTING

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13. Remove the PETROL tank cap and fill the petrol tank with clean filtered petrol. ONLY USE CLEAN
PETROL IN THIS UNIT, as using any other fuel will create a risk of explosion and damage to the unit.

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1. Inspect the unit every day to confirm that it is safe
and in proper working order before putting it into
service. Follow the “DAILY INSPECTION
CHECK LIST” in the SERVICE / CARE section
as a guide. If the unit is damaged or faulty in
anyways, DO NOT use it and immediately contact
your authorized Spitwater service agent for
advice.
TO START
1. Always wear appropriate Personal Protective
Equipment. (PPE)
2. Turn the engine switch to the START position,
and hold it there until the engine starts. When the
engine starts, release the engine switch, allowing
it to return to the ON position.
NOTE:
•If the engine fails to start within 5 seconds,
release the engine switch and wait at least 10
seconds before operating the starter again.
•Using the electric starter for more than 5
seconds at a time will overheat the starter motor
and can damage it.
COLD START
1. To start a cold engine, pull the choke knob to
the CLOSED position and follow the regular
engine start procedure. (Point-3)
2. After engine start, warm up the engine for 2 or
3 minutes.
3. Gradually push the choke knob to the OPEN
position as the engine warms up.
TO USE
1. Release the spray gun trigger lock.
2. Pull the trigger on the spray gun and allow
water to run through the system for a few
minutes to expel air from the hydraulic system.
If air remains in the system, open and close the
spray gun a few times to expel. Note: If this is
the first use of the unit or the unit has been
left idle for an extended period of time it is
advisable to run this operation with the front
part of the lance disconnected in order to
avoid debris or scale being lodged in the
nozzle and blocking it.
GENERAL PRE-START CHECK
OPERATING INSTRUCTIONS
Refer HONDA instruction booklet enclosed
for detailed cold start information.

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3. Check that the pressure indicated on the
pressure gauge matches the value on the data
plate and in the technical data. Also check that
when the trigger is released the pressure shown
on the gauge returns to zero.
1. To activate high pressure turn the lance handle
clockwise and pull the trigger and to activate low
pressure turn the lane handle anti-clockwise.
USAGE TIPS:
•Use the unit as necessary to carry out cleaning
while trying to minimize where possible
opening and closing the spray gun trigger as
this will lead to premature wear of the parts.
•Do not hold the nozzle too close to the surface
to be cleaned as this may damage the nozzle.
Start cleaning at a comfortable distance and
work closer as necessary.
PRESSURE ADJUSTMENT HIGH / LOW
SCWA61 & SCWA63 ONLY
HIGH
LOW
SCWA64 ONLY

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1. Fill the detergent tank with cleaning solution. Only
use a cleaning detergent approved by the
manufacturer and do not use under any
circumstance acid or corrosive products (contact an
authorized service agent or the manufacturer if in
doubt).
2. If detergent is required it CAN BE USED IN LOW
PRESSURE ONLY.
3. Open the chemical injector by turning the knob
anti-clockwise until the desired affect is reached.
When the trigger is pulled, water mixed with
detergent will be sprayed.
4. Never allow sprayed detergent to dry on the
cleaning surface, as this may damage the
surface.
TO STOP
1. Close the chemical injector by turning it
clockwise until it stops. (SCWA61 & SCWA63
only)
2. Turn the engine switch to the OFF position.
3. Release all trapped water pressure in the unit
by pulling the trigger of the spray gun, then
engage the spray gun trigger lock. Failure to
follow this instruction will leave the unit in a
potentially unsafe manner.
4. If the unit is to be left unused for an extended
period, be sure to clean the detergent line by
running the water through it and dropping the
detergent line into a container of clean water.
(SCWA61 & SCWA63 only)
USING CLEANING AGENT
SCWA61 & SCWA63 ONLY

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1. To ensure machine safety, use only original
spare parts from the manufacturer or approved
by the manufacturer.
2. Carry out all regular maintenance and
inspections as listed in this manual using
original Spitwater parts where required.
3. Always make sure before carrying out any
maintenance that the unit is turned off,
disconnected from the battery (at least positive
or negative terminal of the battery) and allowed
to cool down and any trapped high pressure in
its system has been released.
4. Never carry out any maintenance work not
specifically outlined in this booklet and never
make any technical modifications to this unit.
5. This unit is fitted with safety devices which are
set and sealed at the factory. It is very
important these devices receive their routine
maintenance to assure your safety as well as
necessary protection of the unit.
6. There are a number of important
components that have been set and sealed
at the factory. Never under any
circumstances tamper with, modify or
adjust these settings.
7. Make sure this unit is regularly serviced by an
authorized Spitwater service agent according
to the servicing requirement outlined in this
booklet.
To maintain this unit in peak working condition
during its operating life it is necessary to carry out
regular maintenance operations and replace worn
or broken parts immediately upon their failure.
Spitwater recommends that all maintenance is
carried out by an authorized Spitwater service
agent using original Spitwater spare parts.
Failure to follow the maintenance
guidelines in this manual releases the
manufacturer from any responsibility
in reference to injuries and damages
to both persons and goods.
SERVICE / CARE RECOMMENDATIONS AND DIY TROUBLESHOOTING GUIDE
SAFETY PRECAUTIONS
SERVICE INSTRUCTIONS
Always dispose of oil,
batteries, chemicals
and unused
equipment safely and
according to the
requirements of local
authorities

20
CHECKS BEFORE UNIT START
Ensure all guards, covers and shields are in place before
operating the unit.
Clean off dust or other foreign matter accumulated on the
muffler. Wipe up any spills immediately.
Check for water leaks at supplyinlet and other hose
connections.
Check high pressure hose for kinks, damage or exposed
braids. If the hose is damaged in any way the unit must not be
used and the hose replaced immediately.
Check fuel level, detergent level, detergent tube & filter.
Make sure oil colour has not gone "milky" in appearance.
Check engine oil level, oil leakage and contamination.
Check for any service due, based on "USAGE VS SERVICE
FREQUENCY" Table-A.
CHECKS DURING UNIT RUN
Check for proper functioning of pressure gauge.
Check for water leaks at high pressure hose fittings.
Check pressure gauge to show working pressure as per
Technical data sheet, when the trigger is in ON position.
Color of exhaust fumes.
●Dark fumes = abnormal condition, unit needs attention.
● Clear fumes = ideal condition to run the unit.
Unusual noise from unit.
CHECKED & OK
ATTENTION REQUIRED
Do It Yourself,
Refer our tips
Unit is fit, proceed task
Contact Spitwater service
agent / Qualified person for
assistance
STOP operting the unit,
Contact Spitwater service
agent immediately
DAILY INSPECTION CHECK LIST
TABLE-B: Daily inspection checklist