Karcher HD 7/250 DE TR1 Pumping antifreeze out of the high Pressure system, Antifreeze motor

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ÎRefill the antifreeze container with anti- freeze. Select the mixing ratio of the water/antifreeze as per the instructions of the antifreeze manufacturer.

ÎAlign the actuation lever of the ball tap for antifreeze/water tank vertically.

ÎUnscrew the high pressure hose from the high pressure outlet.

ÎConnect the antifreeze hose between the high pressure outlet and the anti- freeze return.

ÎPlug in the antifreeze plug control line.

ÎTurn the key switch to the right.

The control voltage is switched on and the display shows the antifreeze rinse opera- tion.

ÎPress the F2 key to start the motor.

ÎLet the motor run until antifreeze is vis- ible in the antifreeze hose.

The antifreeze liquid is pumped through the appliance in a circuit.

Note

After each antifreeze flush, the antifreeze concentration must be tested in the hose with a commercially available antifreeze tester in the return flow from the hose. Add more antifreeze as needed if the concen- tration is too low.

ÎPress the F3 key to shut off the motor. Wait for the motor to stop trailing.

ÎRemove the antifreeze hose between the high pressure outlet and the anti- freeze return.

Antifreeze motor

ÎCheck the coolant circuit of the motor for sufficient antifreeze, refill antifreeze as needed.

See Maintenance Procedures "Check and refill the coolant“.

Battery

ÎIf the appliance is not used for an ex- tended period and if there is frost, re- move the battery and store it in a location protected from frost.

Pumping antifreeze out of the high

pressure system

Note

Prior to operation, the antifreeze must be pumped from the high pressure system back into the antifreeze container.

ÎUnpressurize the appliance.

ÎSwivel the actuation lever of the ball tap for antifreeze/water tank to the right.

ÎConnect the antifreeze hose between the high pressure outlet and the anti- freeze return.

ÎCreate a water supply connected to the system separator.

ÎTurn the key switch to the right.

The control voltage is switch on and the display shows the operating status.

The solenoid valve for the water supply will open.

ÎPlug in the antifreeze plug control line.

ÎPress the F2 key to start the motor.

ÎThe antifreeze liquid is routed into the antifreeze tank with fresh water from the fresh water reservoir.

ÎRinse for about 2 minutes. Watch the antifreeze hose until no more antifreeze can be seen.

ÎPress the F3 key to shut off the motor. Wait for the motor to stop trailing.

ÎRemove the antifreeze hose between the high pressure outlet and the anti- freeze return.

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Contents HD 7/250 De Tr1 Page Safety instructions ContentsProper use FunctionEnvironmental protection Device elements Hand spraygun Symbols on the display MeaningSymbol Meaning Display and operating panelPreparing for start-up Setting up the applianceOperation TransportStart up Start the engine SettingsAdjust the water pressure Adjust the brightness and contrast of the displayShutting down Retrieve the informational display for service personnelFrost protection OperationAntifreeze motor BatteryPumping antifreeze out of the high Pressure system Do not use flammable detergents to clean the appliance Maintenance and careFlow pattern Maintenance Works Maintenance intervalsDraining the compressed air system Cleaning/replacing the air filterCharge/replace battery Check the coolant and refillDisplay/meaning Cause Remedy By whom FaultsFaults with display Malfunction Water in fuel Faults without display on the console Technical SpecificationsApplied conformity evaluation method Accessories and Spare Parts CE declarationWarranty Sound power level dBA Measured 109 GuaranteedBukarest