Kärcher KHD 4-2 - Operational Modes; Pressure Control & Settings; Cleaning Operations

English 9
After successful coupling, the required
pressure level can be selected using the +/
- buttons on the high-pressure gun.
The selected pressure level is shown for a
brief time afterwards on the display of the
high-pressure gun.
ATTENTION
The sensitivity of the materials can strongly
differ depending on the age and the condi-
tion. The so-called recommendations are
non-binding.
몇 CAUTION
Keep a distance of at least 30 cm when us-
ing the jet for cleaning painted surfaces to
avoid damage.
ATTENTION
Car tyres, paint or sensitive surfaces such
as wood should not be cleaned with the dirt
blaster, as there is a risk of damage.
Illustration
 Push the spray lance into the trigger
gun and fasten it by a 90° rotation.
 Turn on the appliance “I/ON”.
 Unlock the lever of the trigger gun.
 Pull on the lever of the trigger gun; the
device will switch on.
Note: Release the lever of the trigger gun;
the device will switch off again. High pres-
sure remains in the system.
Note: Detergent can only be added when
the device is operated in low pressure
mode.
 DANGER
When using detergents, the material data
safety sheet issued by the detergent manu-
facturer must be adhered to, especially the
instructions regarding personal protective
equipment.
 Fill the detergent solution in the deter-
gent tank (observe dosage instructions
on the packaging of the detergent).
 Close the detergent tank with the lid.
 Pull the suction hose for detergent
through the cover of the detergent tank
until the filter contacts the bottom of the
tank.
 Lock the detergent tank in place on the
appliance.
 Detach spray lance from the trigger
gun. Work only with the trigger gun.
Note: This will mix the detergent with
the water stream.
 Spray the detergent sparingly on the
dry surface and allow it to react, but not
to dry.
 Spray off loosened dirt with the high
pressure jet.
 After operation with detergent: Run the
machine for approximately 1 minute for
a clear rinse.
 Release the lever of the trigger gun.
 Lock the lever of the trigger gun.
 Place the trigger gun into the storage
for the trigger gun.
 During longer breaks (more than 5 min-
utes), also turn the appliance off using
the "0/OFF" switch.
Pressure Control System
Pres-
sure
level
For example, recommended
for
Spray lance with high pressure nozzle
3 Stone terraces, garden utensils
(wheelbarrow, spade, etc.)
2 Car / motorcycle, brick surfaces,
plastic furniture
1 Wooden surfaces, bicycle, rattan
furniture
Spray lance with Dirtblaster
3 For particularly tough dirt on
stone terraces, garden utensils
(wheelbarrow, spade, etc.)
High pressure operation
Operation with detergent
Recommended cleaning method
After operation with detergent
Interrupting operation