Kärcher HDS 697Ci, Manual

Page: 16 / 125

14
GB
2.1 Venting the appliance
·
Open the water intake.
·
Allow the appliance to run without the high-
pressure hose until the water emerges without
bubbles.
·
Then connect the high-pressure hose.
·
If the spray lance and high-pressure nozzle
have already been fitted to the high-pressure
hose, you can vent the appliance as follows:
With the hand-held spray gun open, switch
the appliance on and off several times at
intervals of 10 seconds until the water emerges
from the high-pressure hose without bubbles.
2.2 High-pressure nozzle
·
The effectiveness of the high-pressure jet
depends to a great extent on the spray angle.
A 25 degrees fan jet nozzle is usually employed
(included in standard delivery).
·
At first always direct the high-pressure jet
from a greater distance at the object which is
to be cleaned, thereby preventing damage
from excessive pressure.
·
Other nozzles are available as accessories.
0° full jet nozzle
for stubborn dirt.
40° fan jet nozzle
for sensitive surfaces.
Dirt blaster
for thick layers of dirt.
Variable angle nozzle
with adjustable spray angle
2.3 Adjusting the operating pressure
and flow rate
·
You can adjust the operating pressure and
flow rate steplessly with the pressure and
volume control on the pump head:
Screwing in the adjusting screw – operating
pressure and flow rate higher
Unscrewing the adjusting screw – operating
pressure and flow rate lower.
2. Operation
2.4 Operating with cold water
·
Switch the thermostat to the “ ” symbol.
·
Switch the appliance switch to “ ”.
2.5 Operating with hot water
·
Set the thermostat to the desired temperature.
·
We recommend the following cleaning
temperatures:
30 – 50 °C for light dirt
max. 60 °C for dirt which contains protein,
e.g. in the food industry
60 – 90 °C for cleaning vehicles, machine
2.6 Operating with steam
·
When operating temperatures are above
98 °C, the operating pressure must not exceed
32 bar. Thus, the standard high-pressure
nozzle must be replaced by a steam nozzle
(available as an accessory).
·
Adjust the thermostat to the desired tempe-
rature.
·
Rotate the pressure and volume control on
the pump head to the lowest value.
·
We recommend the following cleaning
temperatures:
100 – 110 °C for depreservation, dirt containing
high levels of grease
up to 140 °C for thawing aggregates, partial
cleaning of facades.