Karcher HDS 5-11 U - Manual (Page 19)

– 3
The pressure switch turns the device off
when the handgun is closed and switch on
when the handgun is opened.
– The safety valve opens in case of ex-
cessive pressure in the boiler or if the
overflow valve or the pressure switch is
broken.
– The safety valve is set by the manufac-
turer and sealed. Setting only by cus-
tomer service.
The water shortage safeguard prevents the
burner to be turned on when there is water
shortage.
The temperature stop switches off the ma-
chine when the waste gases have reached
very high temperatures.
The winding proctection contact in the motor
winding of the pump drive switches off the en-
gine when there is a thermal overload.
The safety catch on the trigger gun pre-
vents the appliance from being switched on
unintentionally.
ṇ
Warning
Risk of injury! Device, tubes, high pressure
hose and connections must be in faultless
condition. Otherwise, the appliance must
not be used.
 Connect ray tube with hand spray gun
 Mount the nozzle on the spray pipe (mark-
ings on the adjustment ring at the top).
 Appliance without hose drum:
Connect the high pressure hose to the
high pressure connection point of the
machine.
ƽ
Danger
Risk of explosion! Only refill diesel oil or
light fuel oil. The operation with bio diesel
as per EN 14214 (starting at an outside
temperature of 6 °C) is possible. Unsuita-
ble fuels, e.g. petrol, are not to be used.
Caution
Never operate device with empty fuel tank
The fuel pump will otherwise be destroyed.
This also applies to cold water operation.

Open fuel filler cap.
 Refill fuel.
 Close tank lock.
 Wipe off spilled fuel.
Caution
Risk of injury!
– Use Kärcher products only.
– Under no circumstances vacuum sol-
vents (petrol, aceton, diluting agent etc.).
– Avoid eye and skin contact.
– Observe safety and handling instruc-
tions by the detergent manufacturer.
Kärcher offers an individual cleaning
and care appliances program.
Your dealer will consult you gladly.

Fill/replace external detergent container.
ṇ
Warning
Observe regulations of water supplier.
According to the applicable regula-
tions, the appliance must never be
used on the drinking water supply
without a system separator. Use a
suitable system separator manufactured by
KÄRCHER; or, as an alternative, a system
separator as per EN 12729 Type BA. Water
flowing through a system separator is con-
sidered non-drinkable.
Caution
Always connect the system separator to
the water supply, never directly to the appli-
ance!
For connection values refer to technical
specifications
Pressure switch
Safety valve
Water shortage safeguard
Temperature stop for exhaust gases
Winding protection contact
Safety catch
Start up
Install hand spray gun
Refill fuel
Operation with detergent
Water connection
19 EN