Suck In Water From Vessel; Power Connection; Operation - Kärcher HDS 7/9-4 M Handbuch

Suck in water from vessel

If you want to suck in water from an exter-
nal vessel, the following modification is
necessary:
Figure 8
 Remove the system care bottle.
 Release and remove the cover of the
system care.
 Remove water connection from the fine
filter.
 Unscrew the fine filter from the pump
head.
Figure 9
 Remove the system care reservoir.
 Unscrew the top supply hose to the
swimmer container.
Figure 10
 Connect the top supply hose at pump
head.
 Replug the rinse line of the detergent
dosing valve.
 Connect suction hose (minimum diame-
ter 3/4") with filter (accessory) to the
water connection point.
– Max. suck height: 0.5 m
Until the pump sucked in water, you should:
 Set the pressure/quantity regulation at
the pump unit to maximum quantity.
 Close the dosing valve for the detergent.
DANGER
Risk of personal injury or damage! Never
suck in water from a drinking water contain-
er. Never suck in liquids which contain sol-
vents like lacquer thinner, petrol, oil or unfil-
tered water. The sealings within the device
are not solvent resistant. The spray mist of
solvents is highly inflammable, explosive
and poisonous.
Note: Assembly in reverse order. Ensure
that the solenoid valve cable on the reser-
voir of the system care is not pinched.

Power connection

– For connection values, see technical
data and type plate.
– The electrical connections must be
done by an electrician according to IEC
60364-1.
30
DANGER
Risk of injury on account of electric shock!
– Unsuitable electrical extension cables
can be hazardous. Only use electrical
extension cables outdoors which have
been approved and labelled for this pur-
pose and have an adequate cable
cross-section.
– Always unwind extension lines com-
pletely.
– The plug and coupling of the extension
cable used must be watertight.
ATTENTION
The highest allowed net impedance at the
electrical connection point (refer to techni-
cal data) is not to be exceeded. In case of
confusion regarding the power impedance
present on your connection, please contact
your utilities provider.
DANGER
Danger of explosion! Do not spray flamma-
ble liquids.
DANGER
Risk of injury! Never use the appliance
without the spray lance attached. Check
and ensure proper fitting of the spray lance
prior to each use. The screw connection of
the spray lance must be finger-tight.
DANGER
Risk of injury! Hold the hand spray gun and
the spray pipe firmly with both hands.
DANGER
Risk of injury! The trigger and safety lever
may not be locked during the operation.
DANGER
Risk of injury! Contact Customer Service if
the safety lever is damaged.
ATTENTION
Risk of damage! Never operate device with
an empty fuel tank. The fuel pump will oth-
erwise be destroyed.
Opening/closing the trigger gun
 To open the trigger gun: Actuate the
safety lever and trigger.
 To close the hand spray gun: Release
the safety lever and trigger.
– 6
EN

Operation