English
Switching On
Turn on water supply
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NOTICE
The machine may only be switched on
when the water intake hose is connected
and the water supply has been turned
on. Otherwise the machine may be
damaged due to lack of water.
Completely unroll the high-pressure
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hose
Start the engine as described in the
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engine manual.
Point the spray gun at the object to
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be cleaned – never at persons!
10
Working
Actuate the spray gun
Direct the spray attachment towards
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the object to be cleaned
Point the rotary nozzle downwards
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when starting (if fitted)
1
Press the safety latch (1) in the
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direction of the arrow – the lever (2)
is unlatched
Squeeze the lever (2)
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The engine runs at reduced speed in
standby mode to reduce energy
consumption and noise levels.
The engine switches from operating
speed to idling speed when the spray
gun is not actuated.
Standby mode
NOTICE
The machine must not be operated in
standby mode for more than 5 minutes.
If work is interrupted for more than
5 min., during breaks or if the machine is
left unattended, switch off the engine –
as described in the engine manual.
Pressure/quantity control on the
machine
Working pressure and water flow rate
can be set on the high-pressure pump
for long-term adjustment in line with the
cleaning job concerned.
RB 302
3
4
RB 402 PLUS
3
4
Turn the knob (3) to set the working
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pressure and water flow rate
The pressure in the high-pressure pump
is indicated by a pressure gauge (4).
Pressure control at the nozzle
The operating pressure can be infinitely
adjusted at the nozzle.
RB 302, RB 402 PLUS