Operation; Power Connection - Kärcher HDS 7/9-4 M/MX Instructions Manual

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
Never suck in water from a drinking water
container. Never suck in liquids which con-
tain solvents like lacquer thinner, petrol, oil
or unfiltered water. The sealings within the
device are not solvent resistant. The spray
mist of solvents is highly inflammable, ex-
plosive and poisonous.
Note: Assembly in reverse order. Ensure
that the solenoid valve cable on the reser-
voir of the system care is not pinched.
30

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.
Danger
Danger of injury by 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.
Caution
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
Risk of explosion!
Do not spray flammable 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 fingertight.
Caution
Never operate device with empty fuel tank
The fuel pump will otherwise be destroyed.
– 6
EN

Operation