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7
ADJUSTMENTS (FIG.3)/PAGE 5
7.1
Adjusting the detergent pressure
To deliver detergent at the correct pressure, set the nozzle (E) on
"
" as shown.
The quantity of detergent delivered is adjusted using the regulator
(F) (on models with this feature).
7.2
Adjusting the working pressure
The regulator (G) is used to adjust the working pressure. The pres-
sure is shown on the pressure gauge (where fitted).
7.3
Setting the temperature
When operating with hot water, use the thermostat (Y) to set the
working temperature required.
8
INFORMATION ON USE OF THE MACHINE (FIG.4)/PAGE 5
8.1
Controls
- Starter device (H).
Set the starter device on (ON/I) to start the motor. In this position,
the device also enables operation with hot water if required.
If there is a pilot light on the starter device, it should light up.
Set the starter device on (OFF/0) to stop the machine.
If there is a pilot light on the starter device, it should go out.
Hot water operation device (T).
Set the hot water operation device on (ON/I) to start the boiler.
EN
If there is a pilot light on the starter device, it should light up.
Set the starter device on (OFF/0) to stop the boiler.
If there is a pilot light on the hot water operation device, it should go out.
- Temperature setting thermostat (Y) (See 7.3).
- Water jet trigger (I).
Warning - danger!
During operation the machine must be positioned as
shown in fig.4 on a firm, stable surface.
8.2
Start-up (see fig.4)
1) Turn on the water supply tap fully.
2) Release the safety catch (D).
3) Depress the gun trigger for a few seconds and start up the
machine by setting the starter device (H) on (ON/I).
Warning - danger!
Before starting up the machine check that it is receiv-
ing water correctly; use of the machine without water will
damage it. Do not cover the ventilation grilles when the
machine is in use.
When the gun trigger is released the dynamic pressure automati-
cally cuts out the electric motor with a delay of about 15 seconds.
When the gun trigger is depressed the automatic drop in pressure
starts the motor and the pressure is restored after a very slight delay;
If the machine is to function correctly, all gun trigger releasing and
depressing operations must be at least 4-5 seconds apart.
To prevent damage to the machine, do not allow it to oper-
ate dry and check that it is properly supplied with water
at all times.
8.3
Stopping
1) Set the starter device on (OFF/0).
2) Depress the gun trigger and discharge the residual pressure (H)
inside the hoses.
3) Engage the safety catch (D).
8.4
Restarting
1) Release the safety catch (D).
2) Depress the gun trigger and discharge the residual air inside
the hoses.
3) Set the starter device on (ON/I).
8.5
Start-up with hot water
1) Fill the diesel tank (B8) using automotive diesel only.
2) Repeat points 1, 2 and 3 of section 8.2.
3) Check that the thermostat (Y) is on 0 °C-OFF.
4) Turn on the boiler using the switch (T).
5) Wait 30 seconds for the diesel circuit to fill.
6) Turn the thermostat (Y) to the required temperature to light the
burner. Once the required temperature is reached, the boiler will
cut out automatically, relighting whenever the temperature falls.
8.6
Storage
1) Return the thermostat (Y) to zero.
2) Operate the machine with cold water for 2 minutes to cool it.
3) Turn off the boiler switch (T).
4) Turn off the water supply tap.
5) Discharge the residual pressure from the trigger gun until all the
water has come out of the machine.
6) Switch the machine off (OFF/0).
7) Remove the plug from the socket.
8) Drain and wash out the detergent circuit at the end of the work-
ing session. To wash out the detergent circuit, use clean water
instead of the detergent.
9) Engage the trigger gun safety catch (D).
8.7
Filling with and using detergent
The detergent must be delivered using the accessories and by
the procedures described in point 7.1.
Use of a high pressure hose longer than the one originally supplied
with the machine, or the use of an additional hose extension, may
reduce or completely halt the suction of detergent from a tank (on
machines with this feature)/detergent suction kit.
8.8
Filling with diesel
Check the diesel level and if necessary fill up with automotive diesel
(see data plate) before each use with hot water. Take great care not
to spill diesel on hot surfaces.
8.9
Recommended cleaning procedure
Dissolve dirt by applying the detergent to the surface while still dry.
When dealing with vertical surfaces work from the bottom upwards.
Leave the detergent to act for 1-2 minutes but do not allow the
surface to dry. Starting from the bottom, use the high pressure jet
at a minimum distance of 30 cm. Do not allow the rinse water to run
onto unwashed surfaces.
In some cases, scrubbing with brushes is needed to remove dirt.
High pressure is not always the best solution for good washing
results, since it may damage some surfaces. The needle jet setting
of the adjustable spray nozzle and the rotary nozzle should not be
used on delicate or painted parts, or on pressurised components
(e.g. tyres, inflation valves, etc.).
Effective cleaning depends on both the pressure and volume of the
water used, to the same degree.
9
ROUTINE MAINTENANCE (FIG.5)/PAGE 6
Any maintenance operations not covered by this chapter should be
carried out by an Authorised Sales and Service Centre.
Warning - danger!
Always disconnect the plug from the power socket
before carrying out any work on the machine.
9.1
Insect the power cable, high pressure hose, fittings, trigger
gun and lance at each use.
9.2
Cleaning the nozzle
1) Disconnect the lance from the trigger gun.
2) Remove any dirt deposits from the nozzle hole using the tool (C1).
9.3
Cleaning the filters
Inspect the inlet filter (L), the detergent filter (where fitted) and the
diesel filters before each use, and if necessary clean in accordance
with the instructions.
Replace the filters if necessary.
9.4
Oil level
Check the pump oil level and add oil through the intake hole to
restore the correct level.
Refer to the "Technical data" table for the oil characteristics.
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