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Work-stations
The work station is located at the operating field. Depending on
the plant installation, other work-stations are located at the ac-
cessories (spraying units) that are connected to the feeder
points.
Personal safety gear
Wear ear plugs to protect your ears against
hearing loss while cleaning parts that produce
high sound levels.
– Wear protective clothing and safety goggles to protect
against splash back containing water or dirt.
Proper use
The machine is used for removing dirt from surfaces using a free-
flowing water jet. It is mainly used for cleaning machines, vehi-
cles and facades.
Danger
Risk of injury! Follow the respective safety regulations when op-
erating at gas stations or other dangerous areas.
Please do not let mineral oil contaminated waste water reach
soil, water or the sewage system. Perform engine cleaning and
bottom cleaning therefore only on specified places with an oil
trap.
Function
Cold water reaches the swimmer tank via the engine cooling
hose and from there it reaches the outer jacket of the continuous
heater and then the suction side of the high pressure pump. The
water softening agent is added in the swimmer tank. The pump
transports the water and the sucked detergent through the con-
tinuous heater. The proportion of detergent in the water can be
adjusted using the dosing valve. The continuous heater is heat-
ed by a gas heater.
The high pressure outlet is connected to a high pressure network
existing in the building. The hand-spray gun is connected to the
feeder points of this network using a high pressure hose.
Safety Devices
Safety devices serve for the protection of the user and must not
be put out of operation or bypassed with respect to their function.
Safety mechanism against lack of water in swimmer
The safety mechanism against lack of water prevents the high
pressure pump from being switched on when there is no water.
Safety mechanism against lack of water in safety
The safety mechanism against lack of water prevents the heater
from over-heating when there is no water. The burner operates
only when there is adequate water supply.
Pressure switch
The pressure switch switches off the machine when the working
working pressure is exceeded. Do not change the setting.
Safety valve
The safety valve opens when there is a problem in the pressure
switch. This valve is set and sealed in the factory. Do not
change the setting.
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tank
block
Flame monitoring
In case of fuel shortage or problems with the burner, the flame
monitor switches off the burner. The indicator lamp Burner fail-
ure (E) glows.
Over-current protection
If the burner engine is blocked, the switch for protection against
over-current gets released. The engine of the high pressure
pump is protected through an engine protection switch and a
winding protection switch.
Exhaust thermostat
The exhaust thermostat is triggered when the exhaust tempera-
ture exceeds 320 °C. The indicator lamp exhaust gas thermostat
(K) glows.
Temperature controller
The maximum temperature controller in the boiler floor (> 80 °C)
and the water outlet (> 110 °C) will get triggered and the indicator
lamp for boiler interruption (E) will glow.
Exhaust pressure switch
The exhaust pressure switch will switch off the burner when the
exhaust gas system has reached abnormally high counter-pres-
sure levels, for e.g. when there is a blockade.
Pressure release in the high pressure system
When the machine is switched off using the hand-spray gun, a
solenoid valve installed in the high pressure system opens when
the operations stand-by time has elapsed; this causes the pres-
sure to fall.
Main switch
– A main switch that can be locked is to be installed at a safe
and easily accessible place to switch off the entire heating
unit.
– The main switch is to be switched off while carrying out any
repairs or maintenance jobs.
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