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18 • ENGLISH
Use of extension cables: Use cables featuring “IPX5”
protection level. The cross-section of the extension cable
should be proportionate to its length; the longer it is, the
greater its cross-section should be. See Fig. G.
Water supply connection
Caution! Only clean or teredwater should be used for
intake. The delivery of the water intake tap should be equal
to that of pump capacity. Place the appliance as close to
the water supply system as possible.
Connection points:
Water outlet (OUTLET)
Water inlet with filter (INLET)
Connection to the mains water supply
The appliance can be connected directly to the mains
drinking water supply only if the supply hose is fitted with a
backflow preventer valve as per current regulations in force.
Make sure that the hose is at least Ø13mm and that it is
reinforced.
Connecting to the mains water system/water supply
Detergent flow is adjusted using the regulator.
Warning! Comply strictly with the technical regulations
and standards of the local water supply company.
f Ensure that the water mains connection complies
with the data provided in the appliance’s technical
specifications.
f Connect the water supply hose (not supplied)
to the appliance’s intake connection (Fig. C).
f Turn on the water supply.
f Vent the air from the appliance. To vent the air from
the appliance, set the nozzle in low pressure mode
(Fully forward) and press the trigger (First releasing
the safety catch (10) if necessary) until the water which
flows out is free from air bubbles. When done, return
the nozzle to the high pressure setting.
USE OF THE APPLIANCE (Fig. E)
Starter device (12)
Set the starter switch on (ON/I) (12a) to:
a. Start the motor (In models without AS device);
b. Set the motor ready to start (In models with AS device).
Note: If there is a pilot light on the starter device, it should
light up.
Caution! During operation the appliance must be
positioned as shown in Fig. E on a sturdy, stable surface.
Start-up (Fig. E)
Caution! Before starting up the appliance check that
the water supply hose is connected properly; use of the
appliance without water will damage it; do not cover the
ventilation grilles when the appliance is in use.
1. Turn on the water supply tap fully.
2. Release the safety catch (10).
3. Depress the gun trigger for a few seconds and start
up the appliance using the starter device (ON/I)(12a).
AS Models - In AS models with automatic delivery flow
cut-o system:
a. When the gun trigger is released the dynamic pressure
automatically cuts out the motor;
b. When the gun trigger is depressed the automatic
drop in pressure starts the motor and the pressure
is restored after a very slight delay;
c. If the AS is to function correctly all gun releasing
and depressing operations must be performed at
intervals of less than 4 - 5 seconds.
Note: To prevent damage to the appliance, when running
do not stop the water jet for more than 10 minutes at a time.
Stopping the appliance (Fig. E)
1. Set the starter device switch on (OFF/0)(12b).
2. Depress the gun trigger and discharge the residual
pressure inside the hoses.
3. Engage the gun safety catch (10).
Restarting
1. Release the safety catch (10).
2. Depress the gun trigger and discharge the residual
air inside the hoses.
3. Set the starter device on (ON/I)(12a).
Storage
1. Switch the appliance off (OFF/0)(12b).
2. Remove the plug from the socket.
3. Turn o the water supply tap.
4. Discharge the residual pressure from the gun until
all the water has come out of the nozzle.
5. Engage the gun safety catch (10).
MAINTENANCE
Important! To assure product SAFETY and RELIABILITY,
repairs, maintenance and adjustment (other than those
listed in this manual) should be performed by authorized
service centers or other qualified service personnel,
always using identical replacement parts.
Caution! Always disconnect the plug from the power
socket before carrying out any work on the appliance.
Cleaning the nozzle (Fig. F)
1. Disconnect the lance from the nozzle.
2. Remove any dirt deposits from the nozzle hole using
the tool (11).