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7
ADJUSTMENTS (FIG.3)/PAGE 5
7.1
Adjusting the spray nozzle
Water flow is adjusted by regulating the nozzle (E).
7.2
Adjusting the detergent
To deliver detergent at the correct pressure, set the nozzle (E) on "
as shown.
7.3
Adjusting the working pressure
The regulator (G) is used to adjust the working pressure.
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INFORMATION ON USE OF THE APPLIANCE (FIG.4)/PAGE 5
8.1
Controls
- Starter device (H).
Start the engine according to the operating instructions of the
engine manufacturer.
- Water jet control lever (I).
Warning - danger!
During operation the appliance must be positioned as
shown in fig. 4 on a firm, stable surface.
8.2
Start-up (see fig. 4)
1) Fill the fuel tank (B13).
2) Turn on the water supply tap fully.
3) Release the safety catch (D).
4) Depress the gun trigger for a few seconds and start the engine
according to the operating instructions of the engine manufacturer.
Warning - danger!
Before starting up the appliance check that it is
receiving water correctly; use of the appliance without water
will damage it. Do not cover the ventilation grilles when the
appliance is in use.
To prevent damage to the appliance, do not allow it to
operate dry and check that it is properly supplied with water.
8.3
Stopping
1) Press the regulator lever at the engine to "STOP" till the engine
comes to a halt and turn off the fuel tap.
2) Depress the gun trigger and discharge the residual pressure
inside the pipes.
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 pipes.
3) Start the engine according to the operating instructions of the
engine manufacturer.
8.5
Storage
1) Turn off the water supply tap.
2) Discharge the residual pressure from the gun until all the water
has come out of the appliance.
3) Press the regulator lever at the engine to "STOP" till the engine
comes to a halt and turn off the fuel tap.
4) Remove the spark plug connector.
5) Drain and wash out the detergent tank at the end of the working ses-
sion. To wash out the tank, use clean water instead of the detergent.
6) Engage the gun safety catch (D).
8.6
Refilling and using detergent
The detergent must be delivered using the accessories and by
the procedures described in point 7.3.
Use of a high pressure hose longer than the one originally supplied
with the appliance, or the use of an additional hose extension, may
reduce or completely halt the suction of detergent.
Fill the tank (B9) with highly biodegradable detergent.
8.7
Recommended cleaning procedure
Dissolve dirt by applying the detergent mixed with water to the
surface while still dry.
When dealing with vertical surfaces work from the bottom upwards.
Leave the detergent to act for 1-2 minute 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 cleaning
results, since it may damage some surfaces. The finest adjustable
nozzle jet setting or the rotating 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.
MAINTENANCE (FIG.5)/PAGE 6
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Any maintenance operations not covered by this chapter should be
carried out by an Authorised Sales and Service Centre.
Warning - danger!
Risk of injury if the machine is left running in an
unattended state. Remove the spark plug connector prior
to performing any work on the device.
Risk of burns! Do not touch hot mufflers, cylinders or
radiator ribs.
9.1
Inspect the power cable, high pressure hose, fittings, trig-
ger gun and lance at each use.
9.2
Cleaning the nozzle
1) Disconnect the lance from the nozzle.
2) Remove any dirt deposits from the nozzle hole using the tool (C1).
9.3
Cleaning the filter
Inspect the inlet filter (L) and detergent filter (if fitted) before each
use, and clean in accordance with the instructions 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.
9.5
End-of-season storage
Treat the appliance with non-corrosive, non-toxic antifreeze before
storing it away for winter.
Put the appliance in a dry place, protected from frost.
9.6
Engine mantenance
See the original instructions of the engine manufacturer.
10
EXTRAORDINARY MAINTENANCE
Warning - danger!
Extraordinary maintenance must be performed by
an authorised sales and service centre.
10.1 Check the hydraulic circuit, inspect the fixtures and mountings
for damage every 200 working hours
10.2 Replace the oil, nozzles and filters every 500 working hours.
10.3 Check the safety devices every 500 working hours.
11
STORAGE AND TRANSPORTATION (FIG. 5)/PAGE 6
Store the accessories as shown in fig. 5.
Transport the machine as shown in fig. 5.
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