Operation Manual

14
UNO / DUO BOOSTER EXTENDED
Original Instructions
4.4 Double spray lance,
pressure regulation
1
The spray lance features 2
nozzles, a high pressure nozzle
and a low pressure nozz le.
High pressure mode
When the pressure reducing
valve (1) is completely closed
(turned clockwise - B), only the
high pressure nozzle is used -
high pressure mode.
Low pressure mode
When the reducing valve (1)
is completely opened (turned
counterclockwise - A), both
spray lances are used - low
pressure mode / possibility of
dosing detergents.
The pres sure may be reg u lat ed
between these positions.
Danger of scalding!
Never detach high pressure
hoses at a water temperature
above 50°C.
4.5 Stop
Never detach the high pressue
hose while the machine is in
operation.
1. To stop the machine turn the
main switch (2) to position
- 0 -.
2. Close the shut-off cock of
the water inlet and activate
the spray lance or open the
high pressure cock to relieve
the pipeline / high pressure
hose of pressure.
0
1