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5
Unsuitable extension cables can be hazard-
ous. Only use extension cables outdoors
which have been approved for this purpose
and labelled with a sufficient cable cross sec-
tion:
For connected loads see model rating plate/
Technical Specifications.
Caution!
It is essential that the unit is connected
to the power supply by means of a plug. An in-
separable connection to the power supply is
prohibited. The plug is used to disconnect
from the mains.
Check the power cord with mains plug for
damage before every use. If the power cord is
damaged, please arrange immediately for the
exchange by an authorized customer service
or a skilled electrician.
The appliance may only be connected to an
electrical supply which has been installed in
accordance with IEC 60364.
The minimum fuse rating required at the sock-
et outlet is (see technical specifications).
The plug and coupling of the extension cable
used must be watertight.
Water connection/Suction feed
operation
Connection to water main
Caution!
Pay attention to the regulations of the
water supply company; according to DIN
1988, the unit may not be connected direct to
the public drinking water supply. A short-term
connection via a non-return valve
(Order no. 6.412-578) is allowed.
For connected loads see Technical Specifica-
tions.
Connect a supply hose (not supplied) to the
water outlet on the unit and to the water in-
let (e.g. water tap).
Open water inlet.
Suctioning water from an open container
Screw on the suction hose (order no.
4.440-270) on the water connection.
Attach the filter (order no. 4.730-012) at the
suction hose.
Vent the unit before using.
To evacuate air from the unit, unscrew the
nozzle and leave the unit running until wa-
ter exits with no air bubbles. If necessary
allow unit to continue running for 10 sec-
onds and then switch off. Repeat this pro-
cedure several times.
Switch off the unit and screw the nozzle
back on.
Operating the unit
Danger!
Observe the relative safety regulations
when using the unit at filling stations or other
high-risk areas.
Caution!
Only clean engines in places which
have appropriate oil separators (protection of
the environment).
Caution!
The jet must not be directed at other
persons or directed by the user at him/herself to
clean clothing or footwear.
Only wash animals with the low-pressure fan jet
(see "Selecting the type of spray").
Operating with high pressure
The unit is equipped with a pressure switch.
The motor only starts up when the lever is re-
tracted.
Set the unit switch to "I".
Unlock the hand-held spray gun and retract
the lever of the gun.
Adjust operating pressure and flow rate
(+/–) by rotating the pressure/flow control
(infinitely variable).
!