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Interrupting Operation - Kärcher HDS 9/18-4 M Manual Del Usuario

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Set working pressure and flow rate
Pressure/quantity regulation of the pump unit
 Turn the regulation spindle in a clockwise direction:
Increase working pressure (MAX).
 Turn the regulation spindle in an anti-clockwise di-
rection: Reduce working pressure (MIN).
Pressure/ quantity regulation at the hand spray gun
 Set thermostat to max. 98 °C.
 Set the working pressure/quantity regulation at the
pump unit to maximum quantity.
 Set the working pressure and feed quantity by turn-
ing (steplessly) the pressure/quantity regulation
mechanism at the hand spray gun (+/-).
DANGER
Risk of injury! When adjusting the pressure/quantity
regulation, make sure that the screw connection of the
spray lance does not become loose.
Note: For long term work with low pressure, set pres-
sure at the pressure/quantity regulation of the pump
unit.
Operation with detergent
For considerate treatment of the environment use
detergent economically.
The detergent must be suitable for the surface to
be cleaned.
 With support of the detergent dose valve set deter-
gent concentration as determined by the manufac-
turer.
Note: Recommended values at the control panel at
maximum working pressure.
 Set pressure/temperature and detergent concen-
tration according to the surface to be cleaned.
Note: To prevent damage due to too much pressure, al-
ways position high pressure ray first from a greater dis-
tance towards object to be cleaned.
Recommended cleaning method
Loosen the dirt:
 Spray detergent economically and let it work for
1...5 minutes but do not let it dry up.
Remove the dirt:
 Spray off loosened dirt with the high pressure jet.
Operating with cold water
Removal of light contaminations and clear rinse, i.e.:
Gardening tools, terrace, tools, etc.
 Set operating pressure according to need.
Eco operation
The appliance works in the most economical tempera-
ture range.
Note: The temperature can be regulated up to 60 °C.
Operating with hot water/steam
We recommend the following cleaning temperatures:
Light contaminations
30-50 °C
Contaminations containing protein, i.e. in the food
processing industry
max. 60 °C
Vehicle cleaning, machine cleaning
60-90 °C
20
Cleaning
De-preserve, contaminations containing strong fat
contents
100-110 °C
De-frosting of surcharge substances, partially fa-
cade cleaning
up to 140 °C
Operating with hot water
DANGER
Scalding danger!
 Set temperature regulator to desired temperature.
Operating with steam
DANGER
Scalding danger! The work pressure must not exceed
3.2 MPa (32 bar) when operating with temperatures
above 98 °C.
Therefore the following measures must definitely be
performed:
 In steam operation (> 100°C), use the steam
nozzle available as an accessory (for part no.,
see technical data).
 Open up the pressure/ quantity regulator on the
hand spray gun completely, direction + until stop.
 Set the working pressure/quantity regulation at the
pump unit to the minimum quantity.
 Set temperature regulator to min. 100 °C.

Interrupting operation

 Secure the trigger gun. To do so, push the safety
catch towards the front.
After operation with detergent
 Set dosing value for detergent to "0".
 Set the appliance switch to "1" (operation with cold
water).
 Open the hand spray gun and rinse the appliance
for at least 1 minute.
Turn off the appliance
DANGER
Danger of scalding from hot water! After the operation
with hot water or steam, the device must be operated
with opened gun with cold water for at least two min-
utes.
 Shut off water supply.
 Open the hand spray gun.
 Switch on the pump with the power switch and al-
low to run for about 5-10 seconds.
 Close the hand spray gun.
 Set the appliance switch to "0/OFF".
 Pull main plug out of socket with dry hands only.
 Remove water connection.
 Activate hand spray gun until device is pressure
less.
 Secure the trigger gun. To do so, push the safety
catch towards the front.
Storing the Appliance
 Lock in the steel pipe into the holder of the appli-
ance hood.
 Roll up high pressure hose and electrical conduit
and hang them into the respective holders.
Note: Do not twist high pressure hose and electrical
conduit.
– 5
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