EN
20
in stand-by for over 20 minutes.
Switch on and off the motor pump
switch.
C
: Burner switch
- flashes when the gasoil tank is emp-
ty; the burner is stopped.
Refuel.
- remains ON when the burner switch-
es on.
> GUN SAFETY DEVICE
Whenever the machine has to be stopped, it is
important to engage the safety catch (S, ref. 10)
on the gun so that it cannot be operated acci-
dentally.
> DESCALING (REF. 5)
The descaling procedure must be carried out pe-
riodically with specific products. The interval de-
pends on the hardness of the water. This opera-
tion should be carried out by our after-sales serv-
ice, since the descaling product may cause wear
of components. Comply with the regulations in
force when disposing of the descaling agent.
t
Liquid softener tank (ref. 5, pos. 1)
Fill the softener tank with our products (in all
cases, with non corrosive products). The dis-
pensing rate is set at a medium value; the After
Sales Services will be able to adapt the setting
to local conditions.
> MAINTENANCE
IMPORTANT:
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CHECKING THE PUMP OIL LEVEL
Check the oil level periodically. The oil must
be changed for the first time after 50 working
hours, with subsequent changes every 500
hours. SAE 20/30 oil is recommended - Oil ca-
pacity 0,7 Kg
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Inspect and clean the water intake filter (ref. 11)
on the intake union periodically. This is impor-
tant to prevent fouling which may impair op-
eration of the pump.
REPLACING THE SPRAY ROD NOZZLE
Replace the nozzle when the pressure drops
below the normal values.
ELECTRIC MOTOR
If the motor malfunctions, it cuts out. Wait 5-10
minutes before restarting. If the problem per-
sists, refer to the “TROUBLESHOOTING” section.
If you are still unable to eliminate the problem,
stop using the machine and contact an Author-
ized Service Centre.
ELECTRICAL CORD
E
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Take care not damage the elec-
tric cable. Have a damaged power cord re-
placed immediately by an authorized serv-
ice point or an electrical specialist.
CLEANING THE FUEL FILTER
Check the fuel filter (ref. 12) periodically and
replace if it has deteriorated or is excessively
dirty.
> ELECTRIC DIAGRAM
See illustrations, page 82.
>
8"5&3%*"(3".
See illustrations, page 82.
> TROUBLESHOOTING
Before doing any work on the machine, discon-
nect the electricity and water supplies and dis-
charge the pressure. Proceed systematically to
identify faults following the chart below; if you
are still unable to eliminate the problem, call in
the
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