Operation - Kärcher 620 M Manual

Operation with high-pressure
·
Open the water supply.
·
Release the lever of the gun with the safety
ratchet and pull the lever.
·
Turn on the appliance switch.
Note:
The appliance is equipped with a pressure-
operated switch. The motor starts only if the lever
of the gun is pulled. The pilot lamp is lit as long as
the appliance remains switched on.
·
The working pressure can be variably adjusted by
turning the spray lance on the outside (+/-).
Operation with Detergent
·
Fill the detergent tank with detergent (max. 0.2
USgal).
·
Set the lowest working pressure with the spray -
lance. (No detergent can be drawn in with a high
working pressure.)
·
Set the detergent dosing-valve to the desired
dosage rate.
·
We recommend that you use detergent sparingly
for the sake of the environment. Observe the
recommended dosage on the detergent label.
·
We offer you an individual cleaning and detergent
range, thereby guaranteeing fault-free work.
Please allow us to advise you or order our
catalogue or the detergent information sheets.
Note:
Only those detergents which have been approved
by the appliance manufacturer may be used.
Unsuitable detergents can damage the appliance
and the object being cleaned.
We recommend the following cleaning methods:
Step 1: Loosening dirt
Spray on detergent sparingly and leave for
1-4 minutes.
Step 2: Removing dirt
Spray off the loosened dirt with the high-pressure
spray.
6

2. Operation

Washing Brush
·
Press the washing brush against the spring force
into the bayonet connection of the gun and then
turn the washing brush by 90° until you hear it lock
into position.
·
The washing brush is suitable only for water
temperatures up to max. 100 °F.
Switching Off the Appliance
·
After using a detergent, the appliance should be
rinsed clear. To do this, set the cleaning agent
metering valve to „0" and flush the unit for
approximately 1 minute with the gun open.
·
Switch off the appliance and disconnect the
electric plug from the power socket.
·
Close the water inlet and detach the appliance
from the water connection.
·
Pull the trigger until there is no more pressure in
the appliance, and secure the trigger with the
safety ratchet against unintentional opening.
Storing the Appliance
·
To save space the appliance can be stored by
folding the transport bracket on to the appliance
and then standing it vertically. In this position the
hand-held spray gun, the washing brush and the
spray lance can be inserted into the retainers on
the transport bracket.
·
The transport bracket can be secured in its two
end positions using the two locking mechanisms.
·
The connection lead can be wound up over the
two retractable holders.