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5
UNO / DUO BOOSTER EXTENDED
Original Instructions
during operation or use it
in a room without adequate
ventilation !
If the overload protection device
of the motor trips (motor stops),
release the trigger of the spray
handle. Lock the spray handle
with locking device and turn the
start/stop switch to position „0“.
Let the machine cool off for at
least 3 minutes!
The machine must be
placed in a room where
it is not exposed to frost.
Operation
Avoid damage to the electric
cables such as running over
by a car, squeezing, pull, knots
etc. and keep them away from
sharp or hot objects.
Avoid damage to the high
pressure hose such as running
over by a car, squeezing, pull,
knots/kinks etc. and keep it
away from oil and sharp or hot
objects, as such may cause the
hose to burst.
The cleaner can be used in
zones classifi ed as ZONE 2.
Important! Never use the
machine in an environment
where there could be a danger
of explosion (according to EN-
50014).
Important! When the system
has been in operation and
thereafter stopped, there will
still be a working pressure in
the pipeline and high pressure
hoses. Therefore you should
pay special attention to the
following:
Never dismount the high
pressure hose from the
machine during operation.
Disconnect the machine,
close the shut-off cock and
relieve the high pressure
hose of pressure prior to
dismounting.
Never dismount the high
pressure hose from the outlet
point before it has been
securely closed and the high
pressure hose has been
relieved of pressure.
Prior to any service
interference in the machine
it should be disconnected
and the system relieved of
pressure by activating the
trigger of the spray handle.
Repair and Maintenance
Only carry through the
maintenance operations
described in the operating
instructions. Only use original
Nilfi sk-ALTO spare parts.
Do NOT make any technical
modifi cations to the high
pressure washer.
Warning! High pressure
hoses, nozzles and couplings
are important for the safety
when operating the machine.
Only use the high pressure
hoses, nozzles and couplings
prescribed by Nilfi sk-ALTO!
For major repairs, please
contact your nearest Nilfi sk-
ALTO service organisation.
Mains power connection
Check the nominal voltage
of the high pressure washer
before connecting it to the
electricity supply.
Check that the voltage stated
on the model tag corresponds
to your mains voltage.
A circuit breaker must be
placed in the immediate vicinity
of the machine.
We recommend you to connect
the machine to a power source
with a Residual Current Device
(RCD) which will disconnect
the power supply if the leakage
current exceeds 30 mA for 20
milli seconds.
Only connect to an approved
socket with earth connection.
Only connect the machine to an
electrical installation made by
an qualifi ed electrician.
The insulation of the electric
cable should be quite faultless
and without any cracks.
If you are in doubt about the
the mains power connection,
please contact a qualifi ed
electrician.
Note: If using another cable it
must be earthed and connected
through the plug to the earth
cable of your supply network
in accordance with prescribed
safety regulations.
Always use a cable similar
to the one mounted on the
machine.
Check cables before usage. Do
not use damaged cables.
Only let a qualifi ed electrician
replace the electric cable.
Safety Devices
Safety Valve
The pressure side of the high
pressure pump is fi tted with a
safety valve. This valve leads
the water back to the suction
side of the pump when the
spray handle is closed or if a
nozzle is blocked.
The safety valve is adjusted
and sealed by the producer.
THIS ADJUSTMENT MUST
NOT BE CHANGED !
Motor protection
The motor features an
overcurrent protection and
built-in thermal switches for
protection of motor against
overloading. In the event of
increased power consumption
(maloperation), the current for
the motor will automatically be
cut out.
5


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Others manual(s) of Nilfisk-ALTO DUO BOOSTER 7

Nilfisk-ALTO DUO BOOSTER 7 Additional guide - English - 2 pages

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Nilfisk-ALTO DUO BOOSTER 7 User Manual - Dutch - 30 pages


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