Working With Detergent; Interrupting Operation; Finish Operation - Kärcher K 4.91 M Manual De Instrucciones

Start up
Screw HP hose on to HP outlet on appliance.
Push the appropriate spray lance on to the
trigger gun and fasten it by turning it to the
right through 90°.
Open tap.
Plug in mains plug.
Set main switch to "I/ON".
Press safety catch on the trigger gun to re-
lease it and pull lever.
Operation
Danger
The trigger gun is subjected to a recoil force
when the water jet is discharged. Make sure that
you have a firm footing and are also holding the
trigger gun and spray lance firmly.
Unlock the lever on 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 pressure re-
mains in the system.
Spray lance with pressure regulation
Carrying out the most common cleaning tasks.
The work pressure can be stagelessly regulated
between "Min" and "Max".
Release the lever on the trigger gun.
Turn the spray lance to the desired position.
Spray lance with dirt blaster
For strong contaminations.
Not suitable for use with detergents.

Working with detergent

We recommend the Kärcher cleaning and care
program that will match the respective cleaning
requirements. Please seek consultation or re-
quest information on the subject.
Use spray lance with pressure regulation
(Vario Power).
Turn the spray lance to "Mix" position - low
pressure.
DT suction infeed from DT tank
During low pressure operation, detergent is
automatically drawn in from the filled deter-
gent tank.
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Recommended Cleaning Method
1 Spray a small dose of the detergent on the
dry surface, and allow it to react (make sure
the detergent does not dry up).
2 Wash off the loosened dirt using the high-
pressure jet.

Interrupting operation

Release the lever on the trigger gun.
During breaks, use the safety catch to secure
the trigger gun lever.
During longer breaks (more than 5 minutes),
also turn the appliance off using the ON/OFF
switch.

Finish operation

If detergent has been added: Suspend deter-
gent suction hose in a container filled with
clear water, switch the appliance on for
around 1 minute once the spray lance has
been removed and rinse until water runs
clear.
Release the lever on the trigger gun.
Switch the appliance switch to "0/OFF".
Turn off tap.
Press the lever on the trigger gun to release
any remaining pressure in the system.
Disconnect the appliance from the water
supply.
Detach spray lance from the trigger gun.
Briefly switch the appliance on ("I/ON"),
press the trigger gun lever until no further
water is discharged (approx. 1 min).
Switch the appliance switch to "0/OFF".
Use the safety catch to secure the trigger
gun lever.
Pull out the mains plug.
Store the power cord, the HP hose and the
accessories on the appliance.