– 4
Screw the suction hose (order no. 4.440-
270.0) onto the water connection.
Filter (Bestell-Nr. 4.730-012.0) am
Saugschlauch anbringen.
Deaerate the appliance:
Unscrew the nozzle.
Switch on the appliance and let it run until
the water exiting is bubble-free.
At the end let the appliance run for approx.
10 seconds - then switch off. Repeat the
procedure for a couple of times.
Switch off the appliance and fit the noz-
zle again.
Danger
Risk of explosion!
Do not spray flammable liquids.
If the appliance is used in hazardous areas
(e.g. filling stations) the corresponding
safety provisions must be observed.
몇
Warning
Clean engines only at places with corre-
sponding oil separators (environmental
safety).
The jet must not be directed at other per-
sons or directed by the user at him/herself
to clean clothing or footwear.
Risk of blocking. Place the nozzles in the
accessory compartment with their joint
pointing upward.
Only HD 9/19....
Danger
Long hours of using the appliance can
cause circulation problems in the hands on
account of vibrations.
It is not possible to specify a generally valid
operation time, since this depends on sev-
eral factors:
–
Proneness to blood circulation deficien-
cies (cold, numb fingers).
–
Low ambient temperature. Wear warm
gloves to protect hands.
–
A firm grip impedes blood circulation.
–
Continuous operation is worse than an
operation interrupted by pauses.
In case of regular, long-term operation of
the device and in case of repeated occur-
rence of the symptoms (e.g. cold, numb fin-
gers) please consult a physician.
Note
The appliance is equipped with a pressure
switch. The motor starts up only when the
lever of the pistol is pulled.
Roll off the high pressure hose totally from
the hose drum.
Set the appliance switch to "I".
Unlock the hand-spray gun and pull the le-
ver of the gun.
Set working pressure and water quantity by
turning (rungless) at the pressure- and vol-
ume regulator (+/-) (not on HD 9/18 M).
Only on HD 9/20-4...:
For transporting small quantities, the en-
gine heat ensures that water is heated up to
approx. 15 °C.
Close the hand spray gun.
Turn the casing of the nozzle till the de-
sired symbol matches the marking.
Drawing in water from open reservoirs
Operation
High pressure operation
Select spray type
High pressure circular spray
(0°) for specially stubborn dirt
Flat low pressure spray
(CHEM) for operating using
detergents or cleaning at low
pressure.
High pressure flat spray (25°)
for large dirt areas
33
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