Portotecnica SILVER Jet DS 2260 T [21/84] English
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Portotecnica SILVER Jet DS 2260 T [21/84] English

Portotecnica SILVER Jet DS 2930 T [21/84] English
English
- 21 -
FIG.12
REGULATING PRESSURE
AND USING STEAM.
(If available)
This chapter concerns only
those models provided with
the “pressure regulating” de
-
vice. The pressure regulator,
g. 12, allows the operator to
adjust the working pressure.
When knob C is turned in
an anti-clockwise direction
(B) (minimum), the working
pressure is reduced.
ADVICE ON USING DETERGENTS
This cleaner has been designed for use with the detergents
supplied or recommended by the manufacturer.
The use of other detergents or chemicals may inuence the
safety of the cleaner.
1) For environmental compatibility, we recommend a rea-
sonable use of detergents, according to the instructions
on the pack.
2) From the range of recommended products, choose the
one most suited to the washing job to be done and dilute
it with water according to the instructions on the pack or
in the catalogue of the detergents most suited for the
type of hot or cold water cleaner.
3) Ask your dealer for the detergents catalogue.
During use with boiling water, "Steam Phase", keep
away from the openings for fumes discharge (risk of bur-
ning).
When you have nished using the "Steam Phase", turn
the thermostat knob "B" to position "0" (g. 7) and let
the machine cool down for about 3 minutes with the gun
turned on.
OPERATING PHASES FOR CORRECT CLEANING WITH
DETERGENTS
1) Prepare the solution of detergent at the concentration
most suitable for the type of dirt and the surface that is to be
washed.
2) Start the cleaner, turn on the detergent tap (if present), switch
on the detergent suction control on the lance and spray the dirty
surface with the diluted product, working from bottom to top.
Let it react for a few minutes.
3) Rinse the whole surface well from top to bottom with hot or
cold water at high pressure.
4) After using with detergent, ush out the intake circuit; place
the detergent suction hose (g. 9) in a tank of clean water and
let the pump run for 1 minute with the dosing tap turned fully on
MAINTENANCE
ONLY THE OPERATIONS AUTHORIZED IN THIS IN-
STRUCTIONS MANUAL MAY BE CARRIED OUT BY THE
USER.
ALL OTHER OPERATIONS ARE FORBIDDEN.
For maintenance of the boiler, high pressure pump, the
electrical parts and all parts with a safety function, you must
apply to our Technical service centre.
Disconnect the water cleaner from the mains electricity
supply via the omnipolar switch or by unplugging the plug from
the socket and close the water supply tap (see chapters on
connecting to the electricity and water mains) before carrying
out any maintenance jobs. Once maintenance has been
completed, ensure that the closing panels have been correctly
reassembled and anchored with the screws provided before
reconnecting the cleaner to the mains.
Failure to do so may cause a risk of electric shock.
PRECAUTIONS AGAINST FROST
The cleaner must not be exposed to frost.
If the cleaner is left in premises where it is exposed to frost,
when work is over or for storage, antifreeze must be used to
prevent serious damage to the hydraulic circuit.
!
!
!
Use the steam nozzle (supplied as an accessory).
Turn the thermostat knob “B” (g. 7) to steam position to obtain
an increase in the temperature of the water at delivery.
At work temperatures higher than 95°C (203°F), the work
pressure must be
< 32 bar (460 PSI).

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