WAP SC 702 Operating Instructions Manual

Brand
WAP
Model
SC 702
Category
High-pressure cleaners
Type
Operating Instructions Manual

This manual is also suitable for

1
49634
010594
Wap SC 702
Wap SC 720
Wap SC 730
Operating Instructions
2
Your Wap SC.
Congratulations on your purchase of a hot-water high-pressure cleaner of the SC generation.
Do not use the unit without reading these operating instructions:
• You will find all necessary information here.
• You will become familiar with the technical details.
• You will learn how to use your unit efficiently and optimise its performance.
• Care and maintenance in accordance with the operating instructions increase safety and retain the value of your
Wap SC.
• Please read and follow the safety precautions.
Our contribution to the environment:
• Constant research and further development under intensive observance of environmental protection
- for energy, costs and water-saving, low-emission cleaning technology.
- to ensure the recyclability.
• The plastics use are recyclable and provided with a material marking.
These operating instructions are intended for the machine operating personnel.
3
© Wap Reinigungssysteme
Printed in Germany
Contents
1 Description ........................................................................................................................................ 4
1.1 General information .................................................................................................................... 4
1.2 Application .................................................................................................................................. 4
1.3 Unit Design ................................................................................................................................. 5
1.4 Technical data ............................................................................................................................. 6
1.5 Unit operation ............................................................................................................................. 6
2 Control and Operation ..................................................................................................................... 7
2.1 Important note on work safety .................................................................................................... 7
2.1.1 Inspections and Approvals .................................................................................................8
2.2 Before initial start-up ................................................................................................................... 9
2.2.1 Machine ............................................................................................................................ 9
2.2.2 Water connection .............................................................................................................. 9
2.2.3 Electrical connection ........................................................................................................ 10
2.3 Operation .................................................................................................................................. 10
2.3.1 Initial start-up .................................................................................................................. 10
2.3.2 Functional check ............................................................................................................. 10
2.3.4 Working with cleaning and care agents ........................................................................... 11
2.3.3 Using SuperClean HL-I Nozzle .......................................................................................... 11
2.3.5 Monitoring operation ......................................................................................................11
2.4 Shut-down ................................................................................................................................ 12
3 Care and Maintenance ................................................................................................................... 13
3.1. Important safety information .................................................................................................... 13
3.2 Maintenance work .................................................................................................................... 13
3.2.1 Checking oil level, oil change........................................................................................... 13
3.2.2 Pump system ................................................................................................................... 13
3.2.3 Heat exchanger ............................................................................................................... 13
3.2.4 Ignition system ................................................................................................................ 13
3.2.5 Fuel system ..................................................................................................................... 13
3.2.6 Adjusting Wap automatic calcification alarm ................................................................... 14
3.2.7 Decalcifying ..................................................................................................................... 14
3.5 Maintenance schedule ............................................................................................................... 15
3.4 Fault finding .............................................................................................................................. 15
3.5 Accessories, spare parts ............................................................................................................. 17
3.6 Warranty ................................................................................................................................... 17
4
Unsuitable cleaning agents lead to
poor cleaning results and cause
damage to the unit. Pre-dilute
concentrate as described.
Contain No. Pure or
pre-dilut
pH value in
1 %
solution
approx.
WapClean Car Shampoo
Intensive-action concentrate against
dust, soot, grease, oil and insect
residues. For delicate surfaces. 30 kg 80856 1:5 8,6
WapClean Intensive Cleaner
Concentrate can be used universally for
heavy dirt on motors/engines, machine
parts, in halls, on lorries and tarpaulins.
30 kg 80857 1:5 8,8
WapClean Gloss Wax
Fast drying free of mineral oil after
washing a vehicle. For a weather-proof
protective coating. 10 kg
30 kg
80925
80858 1:10 7,0
0
0
0
12
345
614233036
2,0
1,0
3,0
4,0
5,0 undiluted
1:1
1:2
1:5
1:10
1:20
% Concentration in spray jet
l/h Additive
througput rate
Setting on the
metering valve
Mixing ratio
Vehicles/utility vehicles Passenger cars, lorries, tarpaulins, buses, motorcycles, mopeds,
bicycles, cleaning wheel rims
Car dealers, petrol stations, car
wash facilities
Vehicle cleaning, new car preservation, pre-washing before running
through a car wash
Construction Construction vehicles, machines, facades
Agriculture Machine pool, stables, silos, disinfection
Food industry Halls and facilities of slaughter houses, butcher shops, bakeries,
dairies, breweries, disinfection
Industry, handicrafts machine parts, halls, motors
Sanitary facilities Swimming pools, toilets, wash rooms, disinfection
1 Description
1.1 General information
Before putting the machine into operation, please read these operating instructions and the safety precautions, and
keep the operating instructions close at hand for later reference.
1.2 Application
In the following we provide a few examples of applications for the high-pressure cleaner and the suitable Wap cleaning
and care agents:
See the brochure „Wap Cleaning and Care Agents“ for other highly effective cleaning and care agents.
5
1
2
3
4
5
6
7
8
9
10
11
13
12
3
5
4
1
2
1.3 Unit Design
4 Rotating direction monitor
(SC 730 only)
5 Calcification alarm
This symbol means: not available on all models (special equipment, model versions).
1 Power cable
2 Tap water supply connection
3 Swivel castor with locking brake
4 Cleaning-agent metering unit
5 High-pressure hose connection
6 Cleaning agent tank
7 Spray gun
8 Spray-lance storage slot
9 Exhaust outlet
10 SuperClean H-I/HL-I Nozzle
11 Control panel
12 Fuel tank
13 High-pressure hose
1 Unit switch
2 Temperature control
3 Fuel shortage alarm
6
1.4 Technical data
SC 702
SC 702SC 702
SC 702 SC 720
SC 720SC 720
SC 720 SC 730
SC 730SC 730
SC 730
Volume flow l/min 8,3-5,8 9,2-4,7 10,2-4,7
Working pressure bar 105-50 130-25 140-25
Permissible gauge pressure bar 200 200 200
Permissible temperature °C 80/99 80/140 75/140
Max. supply temperature °C30 30 30
Max. water feed pressure bar 10 10 10
Ave. fuel consumption ( 50 °C) kg/h 2,7 2,8 3,0
Voltage V 230/1-ph. 230/1-ph. 400/3-ph.
Frequency Hz 50 50 50
Electrical connection kW 2,6 3,6 4,3
Fuse A 16 16 16
Protection class I I I
Protection type IP 45 45 45
Water content of heating coil l 2,65 2,65 2,65
Fuel tank capacity l 11,5 11,5 11,5
Additive tank capacity l 5,5 5,5 5,5
Sound level at 1 m distance dB(A) 83,2 83,0 82,7
Length mm 1020 1020 1020
Width mm 590 590 590
Height mm 600 600 600
Weight kg 77 79 79
,t=
1.5 Unit operation
Main subassembly I - Drive motor with high-pressure pump, safety control block with automatic pressure
switch-off feature, flow monitor and high-pressure blower burner with fuel pump
• The float valve controls the water supply.
• The high-pressure pump sucks water out of the water box and transports the water under pressure to
the high-pressure nozzle.
• The safety control block with automatic pressure switch-off feature and safety valve ensures pressure
monitoring and limitation.
• The automatic calcification alarm meters the anti-calcification concentrate.
• The metering valve is used to add cleaning and care agents and to rinse the intake system.
Main subassembly II - Heat exchanger with temperature monitor
• The heat exchanger with high-pressure blower burner produces hot water.
• The fuel is supplied via a fuel pump driven by the pump motor.
• The thermostat monitors the working temperature.
• The flow monitor switches the oil burner off in the case of a water shortage.
• The thermal fuse acts as an additional safety element against overheating.
Water quantity, pressure and temperature are steplessly adjustable.
7
Mode of operation of the safety equipment:
The safety control block returns impermissibly high gauge pressure to the suction line of the pump via a bypass line
without residual pressure.
The safety valve is responsible for preventing impermissibly high gauge pressure. When actuated, the exiting liquid
is channelled off harmlessly.
The flow monitor switches the fuel supply of the oil burner off with a solenoid valve in the case of a water shortage.
This prevents the heat exchanger from overheating.
The thermal fuse switches off the machine if an existing safety device fails and a water shortage occurs
simultaneously. In order to restart the machine after the thermal fuse has been actuated, the fuse must be replaced.
The safety equipment are lead-sealed and may not be adjusted.
2 Control and Operation
2.1 Important note on work safety
For your own safety
The machine may only be used by
persons instructed in its operation
and expressly charged with its use.
Despite its simple operation, the
unit is not suitable for use by
children.
Never direct the stream at persons
and never reach into it.
DANGER OF INJURY!
Wear protective clothing, shoes with
non-slip soles, eye protection and
possibly also face protection.
Never use the machine when other
persons are in the work area.
When operating the machine,
backlash forces result at the spraying
device, and with the spray lance
angled downward torque is also
produced. Therefore, hold the
spraying device firmly with both
hands.
The operating unit of the spraying
device may not be locked in the
switched-on position.
To protect from accidental use, the
operating unit of the spraying device
must be locked during interruptions
in work.
IMPORTANT!
Materials containing asbestos and
other hazardous substances may
not be sprayed.
Use only tested Wap high-pressure
safety hoses approved for use with
the machine. These correspond to
the German „Richtlinien für
Flüssigkeitsstrahler“ (Guidelines for
Liquid Sprayers) and are marked
accordingly.
Do not kink, pull, twist, crush or run
over high-pressure hoses. Never
work with a damaged high-pressure
hose. Replace damaged hose
immediately with a genuine Wap
spare part.
Hoses may only be connected by
the manufacturer, supplier or an
expert.
Set up the machine as far as possible
from the object to be cleaned.
When using cleaning and care
agents, the manufacturer’s
warnings must be observed.
In accordance with the Guidelines
for Liquid Sprayers, only cleaning
and care agents may be used for
which the manufacturer has no
reservations. Unsuitable cleaning
agents may endanger your health
and cause damage to the machine
and the object to be cleaned.
Therefore, use only the Wap
cleaning and care agents
recommended in these operating
instructions and matched to the
machine. Observe the
manufacturer’s safety data sheets.
Specific reference is made here to
the dangers resulting from the use
of highly flammable, combustible,
toxic, health-endangering, caustic or
irritating substances.
Please observe the German
„Guidelines for Liquid Sprayers“ and
the generally applicable local
regulations and ordinances (see
2.1.1).
Do not reach into the opening of the
exhaust outlet when closing the unit
shroud.
Use only genuine Wap accessories
and spare parts.
Heat Exchanger
Only fill with fuel when machine is
cold.
Do not touch the heat exchanger or
metal parts of the spraying device
when working with hot water.
DANGER OF BURNS!
Do not bend over exhaust outlet
when using hot-water mode.
DANGER OF BURNS AND EXPLO-
SION!
Due to the danger of explosion from
the burner, machines operated at
petrol stations or in other hazardous
areas may only be used outside the
areas specified as hazardous in the
German TRbF (Technical Rules for
Flammable Liquids).
8
When setting up in rooms, the local
building regulations for channelling
exhaust gas into the open must be
observed. Provide sufficient
ventilation.
The machine must be constantly
supervised so that the operating
personnel is able to notice if the
flame goes out.
CAUTION! If the machine runs dry,
the fuel pump will be destroyed.
Electrical System
Check the mains voltage of the
machine before connecting it to the
power supply. Make sure that the
voltage indicated on the rating plate
corresponds to the local mains
voltage.
It is strongly recommended that the
power supply for this unit be
connected via a residual-current-
operated circuit-breaker. This device
cuts off the power supply if the
leakage current to earth exceeds 30
mA for 30 ms, or contains an earth
testing-current circuit.
When using an extension cable, all
current-carrying parts (plug, line,
electrical sockets) must be arranged
so that the protection type „water-
tight“ is fulfilled. This can also be
achieved with protected routing.
CAUTION!
Never spray the machine itself or
other electrical appliances with
water: danger of injury due to short
circuiting.
Always handle the power cable with
caution. Make sure that you
- never kink the power cable
- do not set anything on it
- never pinch or crush it anywhere
- Never touch the plug or power
cable with wet hands. Always
hold the power cable by the plug
when plugging in and pulling out.
Do not use the machine in the
immediate vicinity of heat sources
(fire, radiators, heater blowers or
other heat-radiating devices) and
never cover the machine.
Set up the unit in a dry location.
Never attempt to continue operating,
to dismantle or to make any changes
on the machine yourself if
- the power cable or the plug of the
machine are damaged.
- a foreign object of liquid has
reached the inside of the machine.
- the machine is not operating
normally.
- unusual changes in the operating
condition occur.
Please contact the Wap Customer
Service or an authorised specialised
workshop!
The electrical connection must be
carried out by a qualified electrician.
The latest edition of the IEC
regulations must be observed
CAUTION!
Always disconnect power plug before working on the machine!
2.1.1 Inspections and Approvals
The machine corresponds to the German „Guidelines for Liquid Sprayers“ The high-pressure cleaner must be
inspected by an expert for operating safety as described in these guidelines and the „UVV - Working with Liquid
Sprayers (VBG 87)“ as required, however at least every 12 months.
The company owner must ensure that the major parts (e.g. safety equipment, pump, hoses, spraying device and power
cable) of the liquid sprayer are checked for proper condition each time before operating.
The German standard VDE 0701 (IEC 335) specifies that the insulation resistance and the leakage current must be
measured on electrical devices each time servicing or changes to the protective-conductor resistance are carried out.
In addition, a visual inspection of the power cable, a voltage and current measurement and a functional check must
be carried out. Our Customer Service technicians are available to you for expert help.
You can conclude maintenance and repeat inspection contracts with us. We will confirm the inspection results in
writing.
The water capacity is less than 10 l. The design and test pressure correspond to the German steam boiler ordinance.
No design approval, permit application or approval testing is required.
The complete „Richtlinien für Flüssigkeitsstrahler“ (Guidelines for Liquid Sprayers) can be ordered from Carl
Heymanns-Verlag KG, Luxemburger Straße 449, 50939 Köln, Germany or the responsible employer’s liability
insurance association.
9
EL heating oil or
diesel oil DIN 51 603
2.2 Before initial start-up
2.2.1 Machine
Secure machine with
locking brake.
Check oil level of high-
pressure pump
Cut off pin on oil plug. Fill cleaning-agent tank
with pre-diluted Wap
cleaning agent.
Fill fuel tank with fuel (EL heating oil or diesel oil DIN 51
603) with machine cold. The fuel must be free of
impurities. The tank capacity is 11.5 l. CAUTION!
Incorrect fuels may not be used, as they may present a
hazard. If the tank runs dry, the fuel pump will be
destroyed.
At temperatures below 8 °C, the heating oil begins to
solidify (paraffin precipitation). This may result in burner
starting difficulties. Add solidification-point and flow
improver (available from heating-oil trade) to the heating
oil in due time or use diesel oil.
Fill reservoir for Wap automatic calcification alarm.
„Wap AntiKalk“ prevents lime deposits and acts as
corrosion protection at the same time. To fill, please use
the original-equipment bottle provided with the machine.
Then order the jumbo pack (6 x 1,000 ml - No. 8466) well
before the reservoir runs dry.
The anti-calcification concentrate must not impair the
deemulsifying property of the cleaning and care agent
used. Therefore, use only tested „Wap AntiKalk“.
Screw spray lance onto
spray gun and connect
high-pressure hose to
machine.
2.2.2 Water connection
Connect machine to water tap with 1/2" or 3/4" water
hose and open water tap.
The water supply tank fills with water.
Use only filtered water. Dirt particles contained in water
may damage the machine and the object to be cleaned.
10
Variopress
thumbwheel
2.2.3 Electrical connection
Check the mains voltage of the machine before connecting it to the power supply. Make sure that the voltage
indicated on the rating plate agrees with the local mains voltage.
Only connect the machine with an approved plug. In the case of direct connection (without plug and socket), a main
switch must be installed by a qualified electrician.
On SC 730: If the display on the control panel is constantly lit up, the electrical socket must be connected by an
electrician in accordance with the local standards for the purpose of changing the rotational direction.
See rating plate for protection with fusible link or circuit breaker.
Avoid extension cables. When using extension cables, the cross-section may not be smaller than 2.5 mm2 and the
cable not longer than 50 m. Due to the danger of overheating, always unroll the cable drum completely.
2.3 Operation
2.3.1 Initial start-up
During the winter months, the water system is filled with antifreeze for shipping. Catch the first liquid which exits
(approx. 5 l) in a container for reuse.
2.3.2 Functional check
Cold-water operation:
Unlock spray gun and pull trigger.
Set unit switch to position.
Hot-water operation:
Select temperature.
Unlock spray gun and pull trigger.
Set unit switch to position.
When an even stream flows out of the high-pressure
nozzle, set unit switch to position .
Steam mode (above 100 °C) :
Replace standard spraying device with steam jet spray lance (No. 14786) . Set thermostat to temperature above 100
°C. Open shroud. Open pressure and quantity control (black rotary knob) on safety control block of high-pressure
pump by turning anti-clockwise.
Unlock spray gun and pull trigger. Set unit switch to position. When an even stream flows out of the wide-
angle nozzle, set unit switch to position.
Pressure control:
The pressure and water quantity can be steplessly adjusted
with the Variopress thumbwheel .
11
Add „Wap AntiKalk“ anti-calcification concentrate (No. 8466)!
Fuel shortage!
Motor is rotating in wrong direction - have electrical socket connected
by an electrician in accordance with local standards!
2.3.3 Using SuperClean HL-I Nozzle
1. Simply turn SuperClean HL-I Nozzle to adjust from
spot stream to wide stream.
2. Select high or low pressure. Pressure selection
should only take place with spray gun closed.
2.3.4 Working with cleaning and care agents
SC 702
Additives can only be sucked in through standard-
equipment injector in low-pressure mode.
Turn adjustment wheel on spray gun to stop (max.
flow rate).
SC 702/720/730
Adjust concentration at metering valve as required.
After completing work with cleaning agent, set the metering valve to the 0 position
and allow the machine to run for approx. 1 min. with the spray gun open. The
cleaning-agent system will be flushed and deposits prevented.
If the machine is not to be used for a longer period, clean water must be sucked in
through the cleaning-agent suction hose. This rinses out cleaning agent residues which
would otherwise deposit in the unit and cause malfunctions. To do this, set the
metering valve to the maximum flow rate.
2.3.5 Monitoring operation
The following displays on the control panel are active with the machine switched on:
The pressure gauge indicates the working pressure. If the pressure increases to approx. 10 bar above the working
pressure (with Variopress device open*), the high-pressure cleaner must be decalcified.
12
2.4 Shut-down
Set metering valve to 0 position.
Set unit switch to position.
Continue to run machine for approx. 1 minute,
then set unit switch to 0 position.
Operate spray gun until machine is depressurised.
Lock operating lever. This lock must be engaged
even when interrupting work for short periods.
Close water tap.
Open shroud and briefly press float in water box so that pressure in water supply hose can dissipate. Hose can
then be separated from unit more easily.
Store machine in frost-free room.
If it is not possible to store the machine frost-free, proceed as follows:
Close water tap.
Set unit switch to position and operate spray gun.
Gradually fill water box with anti-freeze (approx. 3 l).
The machine is protected against frost when anti-freeze exits at spray lance.
Catch liquid during next start-up for reuse.
13
3 Care and Maintenance
3.1. Important safety information
CAUTION!
Always pull power plug before working on machine!
Your high-pressure cleaning machine will remain operable for years to come if you treat it with care.
Use only genuine Wap accessories and spare parts.
The maintenance work marked with may only be carried out by Wap Service Technicians.
3.2 Maintenance work
3.2.1 Checking oil level, oil change
Check oil level of high-pressure pump on dip stick of oil filler plug at regular intervals and add oil if necessary.
Change oil when it has a greyish or whitish colour. Open oil drain plug on pump housing and dispose of oil in
accordance with local regulations.
Replace seal and fit plug again.
Pour in oil and close oil filler plug.
Oil type: SAE 15 W 40
Oil quantity: 0.25 ltr.
3.2.2 Pump system
Clean screens and filters in water supply system (float valve, high-pressure pump inlet).
Grease hand-tightened screw connections on jet pipe and high-pressure hose.
3.2.3 Heat exchanger
Remove and clean.
Drain and dispose of cleaning liquid in accordance with local regulations.
3.2.4 Ignition system
Clean ignition transformer, ignition cable and ignition electrodes, replace defective parts, and clean oil jet, oil filter,
solenoid valve and screen.
3.2.5 Fuel system
Empty fuel tank. Clean tank and lines.
14
Water hardness in °dH Setting on potentiometer
0 - 15 1
16 - 30 2
3.2.6 Adjusting Wap automatic calcification alarm
The automatic calcification alarm is preadjusted at the factory. However, should an adjustment be necessary, proceed
as follows:
Measure water hardness or obtain water-hardness range from local water utility company.
Disconnect machine from power supply.
Open shroud.
Remove switch-box cover.
Adjust potentiometer on PCB to desired water-hardness range.
Screw cover onto switch box.
Close shroud and secure.
3.2.7 Decalcifying
Decalcification is normally not required when Wap AntiKalk is used on a regular basis.
Due to improper handling of the machine or the use of unsuitable cleaning agents, deposits can form in the pump
system. The degree of calcification depends on the respective water hardness and is indicated on the pressure gauge
by a gradual increase in the water pressure.
If the working pressure is exceeded by 10 bar (with Variopress device open), the machine must be decalcified.
Procedure:
Screw high-pressure nozzle off spray lance and lay separately in Wap decalcifier.
SC 720/SC 730 only: Insert free end of cleaning-agent intake hose in container with decalcifier and set metering
valve to maximum concentration.
Hold spray lance in separate container to catch escaping liquid.
Switch on high-pressure pump.
SC 702 only: Operate spray gun and gradually fill water box with decalcifier.
Operate spray gun: Decalcifier is sucked in and bubbles heavily as it exits spray lance after approx. 1 minute.
Switch off high-pressure pump and allow to work for approx. 15 minutes.
Flush out pump system thoroughly with clean water.
After approx. 2 minutes an even stream must exit at spray lance. If this is not the case, repeat decalcifying
procedure.
Screw high-pressure nozzle onto spray lance.
CAUTION!
Decalcifier causes acid burns. Avoid contact with skin, eyes and clothing, and wear
appropriate protective clothing (e.g. gloves, face protection, apron). Only approved
decalcifiers may be used for decalcifying. Use Wap Decalcifier, No. 8326.
15
Weekly or every
40 operating
hours
Quarterly or every
200 operating
hours
Annually or every
500 operating
hours
As required
Check oil level x
Change pump oil x
Clean screens and filters in water
supply system x
Clean heat exchanger x
Clean ignition system x
Clean fuel system x
Grease hand-tightened screw
connections on spray lance and
high-pressure hose
x
Decalcify x
3.5 Maintenance schedule
3.4 Fault finding
With the exception of the settings explained in the operating instructions, no repairs of any kind should be attempted
by the user himself/herself. Always leave service and repair work, particularly the elimination of electrical faults, to
a qualified Wap Customer Service Technician or an authorised expert.
CAUTION!
Always disconnect power plug before working on machine!
The information below will help in fault finding and elimination. Should it nevertheless not be possible to repair the
fault, please contact the nearest Wap Customer Service office.
Fault Cause Remedy
A Machine does not start up a) Power supply interrupted Have power cable checked by
electrician
b) Control fuse defective Install new fuse
c) Overload protection has been
triggered
Allow machine to cool for at least 3
min. Eliminate reason for overloading
(e.g. high-pressure nozzle dirty,
machine calcified)
d) Thermal fuse blown Have replaced by Wap Service
Technician
B Burner does not ignite during a) Fuel tank empty Fill fuel tank
switch-on b) Impurities or water in fuel Clean fuel tank and lines
c) No ignition spark Have burner adjustment checked by
Wap Service Technician
d) Solenoid valve does not open Check electrical connection and
replace solenoid valve if necessary
e) Screen in solenoid valve dirty Clean screen (see B b))
16
Fault Cause Remedy
f) Oil jet plugged (see B b)) Clean nozzle and screen and replace if
necessary
g) Oil filter dirty (see B b)) Clean filter
h) Oil pump or coupling
defective (see C a), b))
Replace oil pump or coupling
i) Water quantity too low See D a) - f) for cause
CBurner produces soot a) see B b), e), f), g), h) Have burner adjustment checked by
Wap Service Technician
D Burner switches off during a) Water tap closed Open water tap
operation b) Water quantity too low Check water supply line (see 2.2.2)
c) Float valve plugged Clean filter and valve
d) Intake filter plugged Clean filter
e) Additive tank empty Fill tank
f) Suction and pressure valve of
high-pressure pump defective
or dirty
Remove valve, clean and replace if
necessary
E Unit switches off and on
continuously (with spray gun
open)
a) High-pressure nozzle dirty Clean high-pressure nozzle and
replace if necessary
b) Unit calcified Decalcify as per instructions (see
3.2.7)
c) Wrong high-pressure nozzle Use high-pressure nozzle as per
nozzle table (see 3.5)
d) Automatic pressure shut-off
feature incorrectly adjusted
Adjustment by Wap Service
Technician
F Unit switches off and on a) Off/on trigger gun leaky Check off/on trigger gun
continuously (with spray gun
closed)
b) High-pressure screw
connection or pipe leaky
Tighten screw connection
c) High-pressure hose leaky Replace high-pressure hose
G Pressure too low a) Additive tank empty Fill additive tank
b) High-pressure nozzle worn Replace high-pressure nozzle
c) Filter dirty Clean filter
d) High-pressure pump sucks in
air
Fill additive tankRepair leaks
e) Suction and pressure valve of
high-pressure pump defective
or dirty
Remove valve, clean and replace if
necessary
f) Pressure and quantity control
valve open
Close valve
H Additives are not added a) Additive tank empty Fill additive tank
b) Sludge in additive tank Clean additive tank
c) Suction valve in additive
supply line dirty
Remove suction valve, clean and
replace if necessary
d) SC 702: Injector plugged Clean injector
e) SC 702: SuperClean HL Nozzle
not open Low-pressure flat
stream
Switch over to low-pressure flat
stream
17
3.5 Accessories, spare parts
Depending on the type of dirt and cleaning task, the corresponding nozzles can be used. The working pressure
depends on the high-pressure nozzle. The required nozzle can be found in the following nozzle table.
For high-pressure hose over 50 m in length, use the next largest high-pressure nozzle.
SC 702 SC 720 SC 730
Pressure
bar
Ref.-No. Back-
lash
force
N
Ref.-No. Back-
lash
force
N
Ref.-No. Back-
lash
force
N
140 49511* 28
130 49510* 25 55356 27
110 49511 23 55189 25
105 49509* 20 55356 22
90 55356 19 55190 23
80 55189 19
70 55189 17
60 55190 17
50 55190 14
* Standard nozzles
Please see our general catalogue for additional accessories.
3.6 Warranty
Our General Standard Terms and Conditions apply for the warranty and warranty services.
18
Wap Reinigungssysteme GmbH & Co.
Guido-Oberdorfer-Straße 2-8
D-89287 Bellenberg
EU Declaration of Conformity
as defined by the EU Machine Directive 89/392/EWG, Appendix IIA
We herewith declare that the design of the
High-Pressure Cleaner
Wap SC 702, Item No. 49128 Wap SC 730, Item No. 49130
Wap SC 720, Item No. 49129
corresponds to the following pertinent regulations:
•EU Machine Directive 91/368/EWG
•EU Low-Voltage Directive 73/23/EWG
•Electromagnetic Compatibility 89/336/EWG
•Hazards Due to Noise at the Workplace 86/188/EWG
Applied harmonised standards:
•DIN VDE 0700, Part 1 / 11/90 and IEC 335-1 / 4/91
and the draft of
•IEC 61 J (Sec) 16
Applied national technical specifications:
•VBG 1 •VBG 48
•VBG 4 •VBG 87
•VBG 5 •VBG 119
•VBG 23 •VBG 121
Wap Cleaning Systems
Rau
Head of Research and Development
19
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Tel.: +385 16 55 41 44
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E-mail: info@alto-fr.com
GERMANY
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Guido-Oberdorfer-Straße 2-8
89287 Bellenberg
Tel.: +49 0180 5 37 37 37
Fax: +49 0180 5 37 37 38
E-mail: [email protected]
GREAT BRITAIN
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(UK) Ltd.
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3370 AB Hardinxveld-
Giessendam
Tel.: +31 18 46 67 72 00
Fax +31 18 46 67 72 01
E-mail: [email protected]
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Fax: +41 56 618 85 10
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Suite 200
Chesterfield, MO 63017-1544
Tel.: +1 63 65 30 08 71
Fax: +1 63 65 30 08 72
E-mail: [email protected]
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2100 Highway 265
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Tel.: +1 50 17 50 10 00
Fax: +1 50 17 56 07 19
E-mail: [email protected]
ALTO U.S.Inc
1100 Haskins Road
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Tel.: +1 41 93 52 75 11
Fax: +1 41 93 53 71 87
E-mail: [email protected]
020701
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WAP SC 702 Operating Instructions Manual

Brand
WAP
Model
SC 702
Category
High-pressure cleaners
Type
Operating Instructions Manual
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